diff --git a/services/backup/Cargo.lock b/services/backup/Cargo.lock
index 35dfa333a..c15cc448e 100644
--- a/services/backup/Cargo.lock
+++ b/services/backup/Cargo.lock
@@ -1,2362 +1,2196 @@
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  "regex",
  "sharded-slab",
  "smallvec",
  "thread_local",
  "tracing",
  "tracing-core",
  "tracing-log",
 ]
 
 [[package]]
 name = "try-lock"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "typenum"
 version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "unicode-ident"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
 
 [[package]]
 name = "unicode-width"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 
 [[package]]
 name = "untrusted"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
 name = "urlencoding"
 version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9"
 
 [[package]]
 name = "uuid"
 version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "422ee0de9031b5b948b97a8fc04e3aa35230001a722ddd27943e0be31564ce4c"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "valuable"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
 [[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "vsimd"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c3082ca00d5a5ef149bb8b555a72ae84c9c59f7250f013ac822ac2e49b19c64"
 
 [[package]]
 name = "want"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 dependencies = [
  "log",
  "try-lock",
 ]
 
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
  "syn 1.0.105",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn 1.0.105",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 
 [[package]]
 name = "web-sys"
 version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "webpki"
 version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
 dependencies = [
  "ring",
  "untrusted",
 ]
 
 [[package]]
 name = "which"
 version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
 dependencies = [
  "either",
  "libc",
  "once_cell",
 ]
 
 [[package]]
 name = "winapi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
 ]
 
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
  "winapi",
 ]
 
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
  "windows_aarch64_msvc 0.36.1",
  "windows_i686_gnu 0.36.1",
  "windows_i686_msvc 0.36.1",
  "windows_x86_64_gnu 0.36.1",
  "windows_x86_64_msvc 0.36.1",
 ]
 
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc 0.42.0",
  "windows_i686_gnu 0.42.0",
  "windows_i686_msvc 0.42.0",
  "windows_x86_64_gnu 0.42.0",
  "windows_x86_64_gnullvm",
  "windows_x86_64_msvc 0.42.0",
 ]
 
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
 
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
 
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
 
 [[package]]
 name = "windows_i686_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
 
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
 
 [[package]]
 name = "windows_i686_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
 
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
 
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
 
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.0"
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 checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
 
 [[package]]
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 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
 [[package]]
 name = "xmlparser"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"
 
 [[package]]
 name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
diff --git a/services/backup/Cargo.toml b/services/backup/Cargo.toml
index b7ac9f662..389889deb 100644
--- a/services/backup/Cargo.toml
+++ b/services/backup/Cargo.toml
@@ -1,30 +1,28 @@
 [package]
 name = "backup"
 version = "0.1.0"
 description = "Backup service"
 homepage = "https://comm.app"
 license = "BSD-3-Clause"
 edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
 async-stream = "0.3"
 aws-config = "0.55"
 aws-sdk-dynamodb = "0.27"
 aws-types = "0.55"
 chrono = "0.4"
 clap = { version = "4.0", features = ["derive", "env"] }
 comm-services-lib = { path = "../comm-services-lib" }
 once_cell = "1.17"
-prost = "0.11"
 rand = "0.8.5"
-tokio = { version = "1.24", features = ["rt-multi-thread"]}
+tokio = { version = "1.24", features = ["rt-multi-thread", "macros"] }
 tokio-stream = "0.1"
-tonic = "0.8"
 tracing = "0.1"
-tracing-futures =  { version = "0.2", features = ["futures-03"] }
-tracing-subscriber = { version = "0.3", features = ["env-filter"]}
+tracing-futures = { version = "0.2", features = ["futures-03"] }
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 uuid = { version = "1.2", features = ["v4"] }
 
 [build-dependencies]
 tonic-build = "0.8"
diff --git a/services/backup/Dockerfile b/services/backup/Dockerfile
index 922dd8d4f..9820c5dc2 100644
--- a/services/backup/Dockerfile
+++ b/services/backup/Dockerfile
@@ -1,53 +1,51 @@
 FROM commapp/services-base:1.3.2 as builder
 
 ENV PATH=/root/.cargo/bin:$PATH
 
 # Install Curl
 RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y curl \
   && rm -rf /var/lib/apt/lists/*
 
 # Install Rust
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 
 RUN mkdir -p /home/comm/app/backup
 WORKDIR /home/comm/app/backup
 RUN cargo init --bin
 
 # Cache build dependencies in a new layer
 COPY services/backup/Cargo.toml services/backup/Cargo.lock ./
 COPY services/comm-services-lib ../comm-services-lib
 RUN cargo build --release && rm src/*.rs 
 
 # Copy actual application sources
 COPY services/backup .
-COPY shared/protos/backup.proto ../../shared/protos/
-COPY shared/protos/blob.proto ../../shared/protos/
 
 # Remove the previously-built binary so that only the application itself is
 # rebuilt
 RUN rm ./target/release/deps/backup*
 RUN cargo build --release
 
 # Runner stage
 FROM commapp/services-base:1.3.2 as runner
 
 # Create a new user comm and use it to run subsequent commands
 RUN useradd -m comm
 USER comm
 
 # Only copy built binary from builder stage
 WORKDIR /home/comm/app/backup
 COPY --from=builder /home/comm/app/backup/target/release/backup .
 
 ARG COMM_SERVICES_SANDBOX
 ENV COMM_SERVICES_SANDBOX=${COMM_SERVICES_SANDBOX}
 ARG LOCALSTACK_URL
 ENV LOCALSTACK_URL=${LOCALSTACK_URL}
 ARG BLOB_SERVICE_URL
 ENV BLOB_SERVICE_URL=${BLOB_SERVICE_URL}
 
 CMD ./backup \
   --localstack-url ${LOCALSTACK_URL} \
   --blob-service-url ${BLOB_SERVICE_URL}
   # The COMM_SERVICES_SANDBOX is processed by the executable
diff --git a/services/backup/build.rs b/services/backup/build.rs
deleted file mode 100644
index 4dcab23fd..000000000
--- a/services/backup/build.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-fn main() {
-  println!("cargo:rerun-if-changed=src/main.rs");
-
-  println!("cargo:rerun-if-changed=../../shared/protos/backup.proto");
-  println!("cargo:rerun-if-changed=../../shared/protos/blob.proto");
-  tonic_build::compile_protos("../../shared/protos/backup.proto")
-    .expect("Failed to compile Backup protobuf file");
-  tonic_build::compile_protos("../../shared/protos/blob.proto")
-    .expect("Failed to compile Blob protobuf file");
-}
diff --git a/services/backup/src/blob/downloader.rs b/services/backup/src/blob/downloader.rs
deleted file mode 100644
index c6e9b7868..000000000
--- a/services/backup/src/blob/downloader.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use anyhow::{bail, Result};
-use tokio::{
-  sync::mpsc::{self, Receiver},
-  task::JoinHandle,
-};
-use tracing::{error, instrument, Instrument};
-
-use super::{proto, BlobClient};
-use crate::constants::MPSC_CHANNEL_BUFFER_CAPACITY;
-
-pub use proto::put_request::Data as PutRequestData;
-pub use proto::{PutRequest, PutResponse};
-
-/// The BlobDownloader instance is a handle holder of a Tokio task running the
-/// actual blob client instance. The communication is done via a MPSC channel
-/// and is one-sided - the data is transmitted from the client task to the
-/// caller. Blob chunks received in response stream are waiting
-/// for the channel to have capacity, so it is recommended to read them quickly
-/// to make room for more.
-/// The client task can be stopped and awaited for result via the `terminate()`
-/// method.
-pub struct BlobDownloader {
-  rx: Receiver<Vec<u8>>,
-  handle: JoinHandle<anyhow::Result<()>>,
-}
-
-impl BlobDownloader {
-  /// Connects to the Blob service and keeps the client connection open
-  /// in a separate Tokio task.
-  #[instrument(name = "blob_downloader")]
-  pub fn start(holder: String, mut blob_client: BlobClient) -> Self {
-    let (blob_res_tx, blob_res_rx) =
-      mpsc::channel(MPSC_CHANNEL_BUFFER_CAPACITY);
-    let client_thread = async move {
-      let response = blob_client
-        .get(proto::GetRequest { holder })
-        .await
-        .map_err(|err| {
-          error!("Get request failed: {:?}", err);
-          err
-        })?;
-      let mut inner_response = response.into_inner();
-      loop {
-        match inner_response.message().await? {
-          Some(data) => {
-            let data: Vec<u8> = data.data_chunk;
-            if let Err(err) = blob_res_tx.send(data).await {
-              bail!(err);
-            }
-          }
-          // Response stream was closed
-          None => break,
-        }
-      }
-      Ok(())
-    };
-    let handle = tokio::spawn(client_thread.in_current_span());
-
-    BlobDownloader {
-      rx: blob_res_rx,
-      handle,
-    }
-  }
-
-  /// Receives the next chunk of blob data if ready or sleeps
-  /// until the data is available.
-  ///
-  /// Returns `None` when the transmission is finished, but this doesn't
-  /// determine if it was successful. After receiving `None`, the client
-  /// should be consumed by calling [`GetClient::terminate`] to handle
-  /// possible errors.
-  pub async fn next_chunk(&mut self) -> Option<Vec<u8>> {
-    self.rx.recv().await
-  }
-
-  /// Stops receiving messages and awaits the client thread to exit
-  /// and returns its status.
-  pub async fn terminate(mut self) -> Result<()> {
-    self.rx.close();
-    self.handle.await?
-  }
-}
diff --git a/services/backup/src/blob/mod.rs b/services/backup/src/blob/mod.rs
deleted file mode 100644
index b691359d1..000000000
--- a/services/backup/src/blob/mod.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-mod proto {
-  tonic::include_proto!("blob");
-}
-use proto::blob_service_client::BlobServiceClient;
-pub use proto::put_request::Data as PutRequestData;
-pub use proto::{PutRequest, PutResponse};
-
-mod downloader;
-mod uploader;
-pub use downloader::*;
-pub use uploader::*;
-
-pub type BlobClient = BlobServiceClient<tonic::transport::Channel>;
-
-/// Creates a new Blob service client instance. It does not attempt to connect
-/// to the service until first use.
-pub fn init_blob_client() -> BlobClient {
-  let service_url = &crate::CONFIG.blob_service_url;
-  let channel =
-    tonic::transport::Channel::from_static(service_url).connect_lazy();
-  BlobServiceClient::new(channel)
-}
diff --git a/services/backup/src/blob/uploader.rs b/services/backup/src/blob/uploader.rs
deleted file mode 100644
index 28a265543..000000000
--- a/services/backup/src/blob/uploader.rs
+++ /dev/null
@@ -1,168 +0,0 @@
-use anyhow::{anyhow, bail, Result};
-use tokio::{
-  sync::mpsc::{self, Receiver, Sender},
-  task::JoinHandle,
-};
-use tokio_stream::wrappers::ReceiverStream;
-use tonic::Status;
-use tracing::{error, instrument, Instrument};
-
-use super::{proto, BlobClient};
-use crate::constants::MPSC_CHANNEL_BUFFER_CAPACITY;
-
-pub use proto::put_request::Data as PutRequestData;
-pub use proto::{PutRequest, PutResponse};
-
-pub struct BlobUploader {
-  req_tx: Sender<proto::PutRequest>,
-  res_rx: Receiver<proto::PutResponse>,
-  handle: JoinHandle<anyhow::Result<()>>,
-}
-
-/// The BlobUploader instance is a handle holder of a Tokio task running the
-/// actual blob client instance. The communication is done via two MPSC
-/// channels - one sending requests to the client task, and another for sending
-/// responses back to the caller. These messages should go in pairs
-/// - one request for one response.
-/// The client task can be stopped and awaited for result via the `terminate()`
-/// method.
-impl BlobUploader {
-  /// Connects to the Blob service and keeps the client connection open
-  /// in a separate Tokio task.
-  #[instrument(name = "blob_uploader")]
-  pub fn start(mut blob_client: BlobClient) -> Self {
-    let (blob_req_tx, blob_req_rx) =
-      mpsc::channel(MPSC_CHANNEL_BUFFER_CAPACITY);
-    let (blob_res_tx, blob_res_rx) =
-      mpsc::channel(MPSC_CHANNEL_BUFFER_CAPACITY);
-    let client_thread = async move {
-      match blob_client
-        .put(tonic::Request::new(ReceiverStream::new(blob_req_rx)))
-        .await
-      {
-        Ok(response) => {
-          let mut response_stream = response.into_inner();
-          loop {
-            match response_stream.message().await? {
-              Some(response_message) => {
-                // warning: this will produce an error if there's more unread
-                // responses than MPSC_CHANNEL_BUFFER_CAPACITY
-                // so you should always read the response MPSC channel
-                // right after sending a request to dequeue the responses
-                // and make room for more.
-                // The PutClient::put() function should take care of that
-                if let Err(err) = blob_res_tx.try_send(response_message) {
-                  bail!(err);
-                }
-              }
-              // Response stream was closed
-              None => break,
-            }
-          }
-        }
-        Err(err) => {
-          error!("Put request failed: {:?}", err);
-          bail!(err.to_string());
-        }
-      };
-      Ok(())
-    };
-    let handle = tokio::spawn(client_thread.in_current_span());
-
-    BlobUploader {
-      req_tx: blob_req_tx,
-      res_rx: blob_res_rx,
-      handle,
-    }
-  }
-
-  /// Sends a [`PutRequest`] to the stream and waits for blob service
-  /// to send a response. After all data is sent, the [`PutClient::terminate`]
-  /// should be called to end the transmission and handle possible errors.
-  pub async fn put(&mut self, req: PutRequest) -> Result<PutResponse> {
-    self.req_tx.try_send(req)?;
-    self
-      .res_rx
-      .recv()
-      .await
-      .ok_or_else(|| anyhow!("Blob client channel closed"))
-  }
-
-  /// Convenience wrapper for
-  /// ```
-  /// BlobClient::put(PutRequest {
-  ///   data: Some(PutRequestData::DataChunk(data))
-  /// })
-  /// ```
-  pub async fn put_data(&mut self, data: Vec<u8>) -> Result<PutResponse> {
-    self
-      .put(PutRequest {
-        data: Some(PutRequestData::DataChunk(data)),
-      })
-      .await
-  }
-
-  /// Closes the connection and awaits the blob client task to finish.
-  pub async fn terminate(self) -> Result<()> {
-    drop(self.req_tx);
-    let thread_result = self.handle.await?;
-    thread_result
-  }
-}
-
-/// Starts a put client instance. Fulfills request with blob hash and holder.
-///
-/// `None` is returned if given `holder` already exists.
-///
-/// ## Example
-/// ```
-/// if let Some(mut client) =
-///   start_simple_uploader("my_holder", "my_hash").await? {
-///   let my_data = vec![1,2,3,4];
-///   let _ = client.put_data(my_data).await;
-///
-///   let status = client.terminate().await;
-/// }
-/// ```
-pub async fn start_simple_uploader(
-  holder: &str,
-  blob_hash: &str,
-  blob_client: BlobClient,
-) -> Result<Option<BlobUploader>, Status> {
-  // start upload request
-  let mut uploader = BlobUploader::start(blob_client);
-
-  // send holder
-  uploader
-    .put(PutRequest {
-      data: Some(PutRequestData::Holder(holder.to_string())),
-    })
-    .await
-    .map_err(|err| {
-      error!("Failed to set blob holder: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-
-  // send hash
-  let PutResponse { data_exists } = uploader
-    .put(PutRequest {
-      data: Some(PutRequestData::BlobHash(blob_hash.to_string())),
-    })
-    .await
-    .map_err(|err| {
-      error!("Failed to set blob hash: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-
-  // Blob with given holder already exists, nothing to do
-  if data_exists {
-    // the connection is already terminated by server,
-    // but it's good to await it anyway
-    uploader.terminate().await.map_err(|err| {
-      error!("Put client task closed with error: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-    return Ok(None);
-  }
-  Ok(Some(uploader))
-}
diff --git a/services/backup/src/config.rs b/services/backup/src/config.rs
index 71beea109..d8850b0d3 100644
--- a/services/backup/src/config.rs
+++ b/services/backup/src/config.rs
@@ -1,54 +1,50 @@
 use clap::{builder::FalseyValueParser, Parser};
 use once_cell::sync::Lazy;
 use tracing::info;
 
 use crate::constants::{
-  DEFAULT_BLOB_SERVICE_URL, DEFAULT_GRPC_SERVER_PORT, DEFAULT_LOCALSTACK_URL,
-  SANDBOX_ENV_VAR,
+  DEFAULT_BLOB_SERVICE_URL, DEFAULT_LOCALSTACK_URL, SANDBOX_ENV_VAR,
 };
 
 #[derive(Parser)]
 #[command(version, about, long_about = None)]
 pub struct AppConfig {
-  /// gRPC server listening port
-  #[arg(long = "port", default_value_t = DEFAULT_GRPC_SERVER_PORT)]
-  pub listening_port: u64,
   /// Run the service in sandbox
   #[arg(long = "sandbox", default_value_t = false)]
   // support the env var for compatibility reasons
   #[arg(env = SANDBOX_ENV_VAR)]
   #[arg(value_parser = FalseyValueParser::new())]
   pub is_sandbox: bool,
   /// AWS Localstack service URL, applicable in sandbox mode
   #[arg(long, default_value_t = DEFAULT_LOCALSTACK_URL.to_string())]
   pub localstack_url: String,
   /// Blob service URL
   #[arg(long, default_value_t = DEFAULT_BLOB_SERVICE_URL.to_string())]
   pub blob_service_url: String,
 }
 
 /// Stores configuration parsed from command-line arguments
 /// and environment variables
 pub static CONFIG: Lazy<AppConfig> = Lazy::new(|| AppConfig::parse());
 
 /// Processes the command-line arguments and environment variables.
 /// Should be called at the beginning of the `main()` function.
 pub(super) fn parse_cmdline_args() {
   // force evaluation of the lazy initialized config
   Lazy::force(&CONFIG);
 }
 
 /// Provides region/credentials configuration for AWS SDKs
 pub async fn load_aws_config() -> aws_types::SdkConfig {
   let mut config_builder = aws_config::from_env();
 
   if CONFIG.is_sandbox {
     info!(
       "Running in sandbox environment. Localstack URL: {}",
       &CONFIG.localstack_url
     );
     config_builder = config_builder.endpoint_url(&CONFIG.localstack_url);
   }
 
   config_builder.load().await
 }
diff --git a/services/backup/src/constants.rs b/services/backup/src/constants.rs
index 04d94a438..308e4be53 100644
--- a/services/backup/src/constants.rs
+++ b/services/backup/src/constants.rs
@@ -1,62 +1,60 @@
 // Assorted constants
 
 pub const MPSC_CHANNEL_BUFFER_CAPACITY: usize = 1;
 pub const ID_SEPARATOR: &str = ":";
 pub const ATTACHMENT_HOLDER_SEPARATOR: &str = ";";
 
 // 400KiB limit (in docs there is KB but they mean KiB) -
 // https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ServiceQuotas.html
 // This includes both attribute names' and values' lengths
 //
 // This has to be smaller than GRPC_CHUNK_SIZE_LIMIT because we need to
 // recognize if we may receive multiple chunks or just one. If it was larger
 // than the chunk limit, once we get the amount of data of size equal to the
 // limit, we wouldn't know if we should put this in the database right away or
 // wait for more data.
 pub const LOG_DATA_SIZE_DATABASE_LIMIT: usize = 1024 * 400;
 
 // 4MB limit
 // WARNING: use keeping in mind that grpc adds its own headers to messages
 // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
 // so the message that actually is being sent over the network looks like this
 // [Compressed-Flag] [Message-Length] [Message]
 //    [Compressed-Flag]   1 byte  - added by grpc
 //    [Message-Length]    4 bytes - added by grpc
 //    [Message]           N bytes - actual data
 // so for every message we get 5 additional bytes of data
 // as mentioned here
 // https://github.com/grpc/grpc/issues/15734#issuecomment-396962671
 // grpc stream may contain more than one message
 pub const GRPC_CHUNK_SIZE_LIMIT: usize = 4 * 1024 * 1024;
 pub const GRPC_METADATA_SIZE_PER_MESSAGE: usize = 5;
 
 // Configuration defaults
-
-pub const DEFAULT_GRPC_SERVER_PORT: u64 = 50051;
 pub const DEFAULT_LOCALSTACK_URL: &str = "http://localhost:4566";
 pub const DEFAULT_BLOB_SERVICE_URL: &str = "http://localhost:50053";
 
 // Environment variable names
 
 pub const SANDBOX_ENV_VAR: &str = "COMM_SERVICES_SANDBOX";
 pub const LOG_LEVEL_ENV_VAR: &str =
   tracing_subscriber::filter::EnvFilter::DEFAULT_ENV;
 
 // DynamoDB constants
 
 pub const BACKUP_TABLE_NAME: &str = "backup-service-backup";
 pub const BACKUP_TABLE_FIELD_USER_ID: &str = "userID";
 pub const BACKUP_TABLE_FIELD_BACKUP_ID: &str = "backupID";
 pub const BACKUP_TABLE_FIELD_CREATED: &str = "created";
 pub const BACKUP_TABLE_FIELD_RECOVERY_DATA: &str = "recoveryData";
 pub const BACKUP_TABLE_FIELD_COMPACTION_HOLDER: &str = "compactionHolder";
 pub const BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS: &str = "attachmentHolders";
 pub const BACKUP_TABLE_INDEX_USERID_CREATED: &str = "userID-created-index";
 
 pub const LOG_TABLE_NAME: &str = "backup-service-log";
 pub const LOG_TABLE_FIELD_BACKUP_ID: &str = "backupID";
 pub const LOG_TABLE_FIELD_LOG_ID: &str = "logID";
 pub const LOG_TABLE_FIELD_PERSISTED_IN_BLOB: &str = "persistedInBlob";
 pub const LOG_TABLE_FIELD_VALUE: &str = "value";
 pub const LOG_TABLE_FIELD_ATTACHMENT_HOLDERS: &str = "attachmentHolders";
 pub const LOG_TABLE_FIELD_DATA_HASH: &str = "dataHash";
diff --git a/services/backup/src/main.rs b/services/backup/src/main.rs
index 17ceb67ab..2750b8dd1 100644
--- a/services/backup/src/main.rs
+++ b/services/backup/src/main.rs
@@ -1,57 +1,33 @@
 use anyhow::Result;
-use std::net::SocketAddr;
-use tonic::transport::Server;
-use tracing::{info, Level};
+use tracing::Level;
 use tracing_subscriber::EnvFilter;
 
-use crate::blob::BlobClient;
-use crate::service::{BackupServiceServer, MyBackupService};
-
-pub mod blob;
 pub mod config;
 pub mod constants;
 pub mod database;
-pub mod service;
 pub mod utils;
 
 // re-export this to be available as crate::CONFIG
 pub use config::CONFIG;
 
 fn configure_logging() -> Result<()> {
   let filter = EnvFilter::builder()
     .with_default_directive(Level::INFO.into())
     .with_env_var(constants::LOG_LEVEL_ENV_VAR)
     .from_env_lossy();
 
   let subscriber = tracing_subscriber::fmt().with_env_filter(filter).finish();
   tracing::subscriber::set_global_default(subscriber)?;
   Ok(())
 }
 
-async fn run_grpc_server(
-  db: database::DatabaseClient,
-  blob_client: BlobClient,
-) -> Result<()> {
-  let addr: SocketAddr = format!("[::]:{}", CONFIG.listening_port).parse()?;
-  let backup_service = MyBackupService::new(db, blob_client);
-
-  info!("Starting gRPC server listening at {}", addr.to_string());
-  Server::builder()
-    .add_service(BackupServiceServer::new(backup_service))
-    .serve(addr)
-    .await?;
-
-  Ok(())
-}
-
 #[tokio::main]
 async fn main() -> Result<()> {
   config::parse_cmdline_args();
   configure_logging()?;
 
   let aws_config = config::load_aws_config().await;
-  let db = database::DatabaseClient::new(&aws_config);
-  let blob_client = blob::init_blob_client();
+  let _db = database::DatabaseClient::new(&aws_config);
 
-  run_grpc_server(db, blob_client).await
+  Ok(())
 }
diff --git a/services/backup/src/service/handlers/add_attachments.rs b/services/backup/src/service/handlers/add_attachments.rs
deleted file mode 100644
index 1860e20af..000000000
--- a/services/backup/src/service/handlers/add_attachments.rs
+++ /dev/null
@@ -1,208 +0,0 @@
-use tonic::Status;
-use tracing::debug;
-use tracing::error;
-
-use super::handle_db_error;
-use super::proto;
-use crate::{
-  blob::BlobClient,
-  constants::{ATTACHMENT_HOLDER_SEPARATOR, LOG_DATA_SIZE_DATABASE_LIMIT},
-  database::{DatabaseClient, LogItem},
-};
-
-pub async fn handle_add_attachments(
-  db: &DatabaseClient,
-  blob_client: &BlobClient,
-  request: proto::AddAttachmentsRequest,
-) -> Result<(), Status> {
-  let proto::AddAttachmentsRequest {
-    user_id,
-    backup_id,
-    log_id,
-    holders,
-  } = request;
-
-  if user_id.is_empty() {
-    return Err(Status::invalid_argument(
-      "user id required but not provided",
-    ));
-  }
-  if backup_id.is_empty() {
-    return Err(Status::invalid_argument(
-      "backup id required but not provided",
-    ));
-  }
-  if holders.is_empty() {
-    return Err(Status::invalid_argument(
-      "holders required but not provided",
-    ));
-  }
-
-  if log_id.is_empty() {
-    let backup_item_result = db
-      .find_backup_item(&user_id, &backup_id)
-      .await
-      .map_err(handle_db_error)?;
-    let mut backup_item = backup_item_result.ok_or_else(|| {
-      debug!("Backup item not found");
-      Status::not_found("Backup item not found")
-    })?;
-
-    add_new_attachments(&mut backup_item.attachment_holders, &holders);
-
-    db.put_backup_item(backup_item)
-      .await
-      .map_err(handle_db_error)?;
-  } else {
-    let log_item_result = db
-      .find_log_item(&backup_id, &log_id)
-      .await
-      .map_err(handle_db_error)?;
-    let mut log_item = log_item_result.ok_or_else(|| {
-      debug!("Log item not found");
-      Status::not_found("Log item not found")
-    })?;
-
-    add_new_attachments(&mut log_item.attachment_holders, &holders);
-
-    // log item too large for database, move it to blob-service stroage
-    if !log_item.persisted_in_blob
-      && log_item.total_size() > LOG_DATA_SIZE_DATABASE_LIMIT
-    {
-      debug!("Log item too large. Persisting in blob service...");
-      log_item = move_to_blob(log_item, blob_client).await?;
-    }
-
-    db.put_log_item(log_item).await.map_err(handle_db_error)?;
-  }
-
-  Ok(())
-}
-
-async fn move_to_blob(
-  log_item: LogItem,
-  blob_client: &BlobClient,
-) -> Result<LogItem, Status> {
-  let holder = crate::utils::generate_blob_holder(
-    &log_item.data_hash,
-    &log_item.backup_id,
-    Some(&log_item.log_id),
-  );
-
-  if let Some(mut uploader) = crate::blob::start_simple_uploader(
-    &holder,
-    &log_item.data_hash,
-    blob_client.clone(),
-  )
-  .await?
-  {
-    let blob_chunk = log_item.value.into_bytes();
-    uploader.put_data(blob_chunk).await.map_err(|err| {
-      error!("Failed to upload data chunk: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-
-    uploader.terminate().await.map_err(|err| {
-      error!("Put client task closed with error: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-  } else {
-    debug!("Blob holder for log ID={} already exists", &log_item.log_id);
-  }
-
-  Ok(LogItem {
-    persisted_in_blob: true,
-    value: holder,
-    ..log_item
-  })
-}
-
-/// Modifies the [`current_holders_str`] by appending attachment holders
-/// contained in [`new_holders`]. Removes duplicates. Both arguments
-/// are expected to be [`ATTACHMENT_HOLDER_SEPARATOR`] separated strings.
-fn add_new_attachments(current_holders_str: &mut String, new_holders: &str) {
-  let mut current_holders = parse_attachment_holders(current_holders_str);
-
-  let new_holders = parse_attachment_holders(new_holders);
-  current_holders.extend(new_holders);
-
-  *current_holders_str = current_holders
-    .into_iter()
-    .collect::<Vec<_>>()
-    .join(ATTACHMENT_HOLDER_SEPARATOR);
-}
-
-/// Parses an [`ATTACHMENT_HOLDER_SEPARATOR`] separated string into a `HashSet`
-/// of attachment holder string slices.
-fn parse_attachment_holders(
-  holders_str: &str,
-) -> std::collections::HashSet<&str> {
-  holders_str
-    .split(ATTACHMENT_HOLDER_SEPARATOR)
-    .filter(|holder| !holder.is_empty())
-    .collect()
-}
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-  use std::collections::HashSet;
-
-  #[test]
-  fn test_parse_attachments() {
-    let holders = "h1;h2;h3";
-    let expected = HashSet::from(["h1", "h2", "h3"]);
-    assert_eq!(parse_attachment_holders(holders), expected);
-  }
-
-  #[test]
-  fn test_empty_attachments() {
-    let actual = parse_attachment_holders("");
-    let expected = HashSet::new();
-    assert_eq!(actual, expected);
-  }
-
-  #[test]
-  fn test_add_attachments() {
-    let mut current_holders = "holder1;holder2".to_string();
-    let new_holders = "holder3;holder4";
-    add_new_attachments(&mut current_holders, new_holders);
-    assert_eq!(
-      parse_attachment_holders(&current_holders),
-      HashSet::from(["holder1", "holder2", "holder3", "holder4"])
-    );
-  }
-
-  #[test]
-  fn test_add_to_empty() {
-    let mut current_holders = String::new();
-    let new_holders = "holder3;holder4";
-    add_new_attachments(&mut current_holders, new_holders);
-    assert_eq!(
-      parse_attachment_holders(&current_holders),
-      HashSet::from(["holder3", "holder4"])
-    );
-  }
-
-  #[test]
-  fn test_add_none() {
-    let mut current_holders = "holder1;holder2".to_string();
-    let new_holders = "";
-    add_new_attachments(&mut current_holders, new_holders);
-    assert_eq!(
-      parse_attachment_holders(&current_holders),
-      HashSet::from(["holder1", "holder2"])
-    );
-  }
-
-  #[test]
-  fn test_remove_duplicates() {
-    let mut current_holders = "holder1;holder2".to_string();
-    let new_holders = "holder2;holder3";
-    add_new_attachments(&mut current_holders, new_holders);
-    assert_eq!(
-      parse_attachment_holders(&current_holders),
-      HashSet::from(["holder1", "holder2", "holder3"])
-    );
-  }
-}
diff --git a/services/backup/src/service/handlers/create_backup.rs b/services/backup/src/service/handlers/create_backup.rs
deleted file mode 100644
index fb76aa57c..000000000
--- a/services/backup/src/service/handlers/create_backup.rs
+++ /dev/null
@@ -1,234 +0,0 @@
-use tonic::Status;
-use tracing::{debug, error, trace, warn};
-
-use crate::{
-  blob::{start_simple_uploader, BlobClient, BlobUploader},
-  database::{BackupItem, DatabaseClient},
-  service::proto,
-};
-
-use super::handle_db_error;
-
-type CreateBackupResult = Result<proto::CreateNewBackupResponse, Status>;
-
-enum HandlerState {
-  /// Initial state. Handler is receiving non-data inputs
-  ReceivingParams,
-  /// Handler is receiving data chunks
-  ReceivingData { uploader: BlobUploader },
-  /// A special case when Blob service claims that a blob with given
-  /// [`CreateBackupHandler::data_hash`] already exists
-  DataAlreadyExists,
-}
-
-pub struct CreateBackupHandler {
-  // flow control
-  pub should_close_stream: bool,
-
-  // inputs
-  user_id: Option<String>,
-  device_id: Option<String>,
-  key_entropy: Option<Vec<u8>>,
-  data_hash: Option<String>,
-
-  // client instances
-  db: DatabaseClient,
-  blob_client: BlobClient,
-
-  // internal state
-  state: HandlerState,
-  backup_id: String,
-  holder: Option<String>,
-}
-
-impl CreateBackupHandler {
-  pub fn new(db: DatabaseClient, blob_client: BlobClient) -> Self {
-    CreateBackupHandler {
-      should_close_stream: false,
-      user_id: None,
-      device_id: None,
-      key_entropy: None,
-      data_hash: None,
-      db,
-      blob_client,
-      state: HandlerState::ReceivingParams,
-      backup_id: String::new(),
-      holder: None,
-    }
-  }
-
-  pub async fn handle_user_id(
-    &mut self,
-    user_id: String,
-  ) -> CreateBackupResult {
-    if self.user_id.is_some() {
-      warn!("user ID already provided");
-      return Err(Status::invalid_argument("User ID already provided"));
-    }
-    self.user_id = Some(user_id);
-    self.handle_internal().await
-  }
-  pub async fn handle_device_id(
-    &mut self,
-    device_id: String,
-  ) -> CreateBackupResult {
-    if self.device_id.is_some() {
-      warn!("Device ID already provided");
-      return Err(Status::invalid_argument("Device ID already provided"));
-    }
-    tracing::Span::current().record("device_id", &device_id);
-    self.device_id = Some(device_id);
-    self.handle_internal().await
-  }
-  pub async fn handle_key_entropy(
-    &mut self,
-    key_entropy: Vec<u8>,
-  ) -> CreateBackupResult {
-    if self.key_entropy.is_some() {
-      warn!("Key entropy already provided");
-      return Err(Status::invalid_argument("Key entropy already provided"));
-    }
-    self.key_entropy = Some(key_entropy);
-    self.handle_internal().await
-  }
-  pub async fn handle_data_hash(
-    &mut self,
-    data_hash: Vec<u8>,
-  ) -> CreateBackupResult {
-    if self.data_hash.is_some() {
-      warn!("Data hash already provided");
-      return Err(Status::invalid_argument("Data hash already provided"));
-    }
-    let hash_str = String::from_utf8(data_hash).map_err(|err| {
-      error!("Failed to convert data_hash into string: {:?}", err);
-      Status::aborted("Unexpected error")
-    })?;
-    debug!("Received data hash: {}", &hash_str);
-    self.data_hash = Some(hash_str);
-    self.handle_internal().await
-  }
-
-  pub async fn handle_data_chunk(
-    &mut self,
-    data_chunk: Vec<u8>,
-  ) -> CreateBackupResult {
-    let HandlerState::ReceivingData { ref mut uploader } = self.state else {
-      self.should_close_stream = true;
-      error!("Data chunk sent before other inputs");
-      return Err(Status::invalid_argument(
-        "Data chunk sent before other inputs",
-      ));
-    };
-
-    // empty chunk ends transmission
-    if data_chunk.is_empty() {
-      self.should_close_stream = true;
-      return Ok(proto::CreateNewBackupResponse {
-        backup_id: self.backup_id.clone(),
-      });
-    }
-
-    trace!("Received {} bytes of data", data_chunk.len());
-    uploader.put_data(data_chunk).await.map_err(|err| {
-      error!("Failed to upload data chunk: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-
-    Ok(proto::CreateNewBackupResponse {
-      // actual Backup ID should be sent only once, the time it is generated
-      // see handle_internal()
-      backup_id: String::new(),
-    })
-  }
-
-  /// This function should be called after the input stream is finished.
-  pub async fn finish(self) -> Result<(), Status> {
-    match self.state {
-      HandlerState::ReceivingParams => {
-        // client probably aborted early
-        trace!("Nothing to store in database. Finishing early");
-        return Ok(());
-      }
-      HandlerState::ReceivingData { uploader } => {
-        uploader.terminate().await.map_err(|err| {
-          error!("Uploader task closed with error: {:?}", err);
-          Status::aborted("Internal error")
-        })?;
-      }
-      HandlerState::DataAlreadyExists => (),
-    }
-
-    let (Some(user_id), Some(holder)) = (self.user_id, self.holder) else {
-      error!("Holder / UserID absent in data mode. This should never happen!");
-      return Err(Status::failed_precondition("Internal error"));
-    };
-    if self.backup_id.is_empty() {
-      error!("Backup ID was not generated. This should never happen!");
-      return Err(Status::failed_precondition("Internal error"));
-    }
-    let backup_item = BackupItem::new(user_id, self.backup_id, holder);
-
-    self
-      .db
-      .put_backup_item(backup_item)
-      .await
-      .map_err(handle_db_error)?;
-
-    Ok(())
-  }
-
-  // internal param handler helper
-  async fn handle_internal(&mut self) -> CreateBackupResult {
-    if !matches!(self.state, HandlerState::ReceivingParams) {
-      error!("CreateBackupHandler already received all non-data params.");
-      return Err(Status::failed_precondition("Backup data chunk expected"));
-    }
-
-    // all non-data inputs must be set before receiving backup data chunks
-    let (Some(data_hash), Some(device_id), Some(_), Some(_)) = (
-      self.data_hash.as_ref(),
-      self.device_id.as_ref(),
-      self.user_id.as_ref(),
-      self.key_entropy.as_ref(),
-    ) else {
-      // return empty backup ID when inputs are incomplete
-      return Ok(proto::CreateNewBackupResponse {
-        backup_id: "".to_string(),
-      });
-    };
-
-    let backup_id = generate_backup_id(device_id);
-    let holder =
-      crate::utils::generate_blob_holder(data_hash, &backup_id, None);
-    self.backup_id = backup_id.clone();
-    self.holder = Some(holder.clone());
-    tracing::Span::current().record("backup_id", &backup_id);
-    tracing::Span::current().record("blob_holder", &holder);
-
-    match start_simple_uploader(&holder, data_hash, self.blob_client.clone())
-      .await?
-    {
-      Some(uploader) => {
-        self.state = HandlerState::ReceivingData { uploader };
-        trace!("Everything prepared, waiting for data...");
-      }
-      None => {
-        // Blob with given data_hash already exists
-        debug!("Blob already exists, finishing");
-        self.should_close_stream = true;
-        self.state = HandlerState::DataAlreadyExists;
-      }
-    };
-
-    Ok(proto::CreateNewBackupResponse { backup_id })
-  }
-}
-
-/// Generates ID for a new backup
-fn generate_backup_id(device_id: &str) -> String {
-  format!(
-    "{device_id}_{timestamp}",
-    device_id = device_id,
-    timestamp = chrono::Utc::now().timestamp_millis()
-  )
-}
diff --git a/services/backup/src/service/handlers/pull_backup.rs b/services/backup/src/service/handlers/pull_backup.rs
deleted file mode 100644
index 67835cce9..000000000
--- a/services/backup/src/service/handlers/pull_backup.rs
+++ /dev/null
@@ -1,330 +0,0 @@
-use async_stream::try_stream;
-use tokio_stream::{Stream, StreamExt};
-use tonic::Status;
-use tracing::{debug, error, trace, warn};
-use tracing_futures::Instrument;
-
-use super::handle_db_error;
-use super::proto::{self, PullBackupResponse};
-use crate::{
-  blob::{BlobClient, BlobDownloader},
-  constants::{
-    BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS, BACKUP_TABLE_FIELD_BACKUP_ID,
-    GRPC_CHUNK_SIZE_LIMIT, GRPC_METADATA_SIZE_PER_MESSAGE,
-    LOG_TABLE_FIELD_ATTACHMENT_HOLDERS, LOG_TABLE_FIELD_LOG_ID,
-  },
-  database::{BackupItem, DatabaseClient, LogItem},
-};
-
-pub struct PullBackupHandler {
-  blob_client: BlobClient,
-  backup_item: BackupItem,
-  logs: Vec<LogItem>,
-}
-
-impl PullBackupHandler {
-  pub async fn new(
-    db: &DatabaseClient,
-    blob_client: &BlobClient,
-    request: proto::PullBackupRequest,
-  ) -> Result<Self, Status> {
-    let proto::PullBackupRequest { user_id, backup_id } = request;
-    let backup_item = db
-      .find_backup_item(&user_id, &backup_id)
-      .await
-      .map_err(handle_db_error)?
-      .ok_or_else(|| {
-        debug!("Backup item not found");
-        Status::not_found("Backup item not found")
-      })?;
-
-    let backup_id = backup_item.backup_id.as_str();
-    let logs = db
-      .find_log_items_for_backup(backup_id)
-      .await
-      .map_err(handle_db_error)?;
-
-    Ok(PullBackupHandler {
-      backup_item,
-      logs,
-      blob_client: blob_client.clone(),
-    })
-  }
-
-  /// Consumes the handler and provides a response `Stream`. The stream will
-  /// produce the following in order:
-  /// - Backup compaction data chunks
-  /// - Backup logs
-  ///   - Whole log, if stored in db
-  ///   - Log chunks, if stored in blob
-  pub fn into_response_stream(
-    self,
-  ) -> impl Stream<Item = Result<PullBackupResponse, Status>> {
-    use proto::pull_backup_response::*;
-
-    try_stream! {
-      debug!("Pulling backup...");
-      {
-        let compaction_stream = data_stream(&self.backup_item, self.blob_client.clone());
-        tokio::pin!(compaction_stream);
-        while let Some(response) = compaction_stream.try_next().await? {
-          yield response;
-        }
-      }
-      trace!("Backup data pull complete.");
-
-      if self.logs.is_empty() {
-        debug!("No logs to pull. Finishing");
-        return;
-      }
-
-      debug!("Pulling logs...");
-      for log in self.logs {
-        trace!("Pulling log ID={}", &log.log_id);
-        let span = tracing::trace_span!("log", log_id = &log.log_id);
-
-        if log.persisted_in_blob {
-          trace!(parent: &span, "Log persisted in blob");
-          let log_data_stream = data_stream(&log, self.blob_client.clone()).instrument(span);
-          tokio::pin!(log_data_stream);
-          while let Some(response) = log_data_stream.try_next().await? {
-            yield response;
-          }
-        } else {
-          trace!(parent: &span, "Log persisted in database");
-          yield proto::PullBackupResponse {
-            attachment_holders: Some(log.attachment_holders),
-            id: Some(Id::LogId(log.log_id)),
-            data: Some(Data::LogChunk(log.value.into_bytes())),
-          };
-        }
-      }
-      trace!("Pulled all logs, done");
-    }
-  }
-}
-
-/// Downloads a blob-stored [`BlobStoredItem`] and streams its content into
-/// stream of [`PullBackupResponse`] objects, handles gRPC message size details.
-fn data_stream<Item>(
-  item: &Item,
-  blob_client: BlobClient,
-) -> impl Stream<Item = Result<PullBackupResponse, Status>> + '_
-where
-  Item: BlobStoredItem,
-{
-  try_stream! {
-    let mut buffer = ResponseBuffer::default();
-    let mut downloader =
-      BlobDownloader::start(item.get_holder().to_string(), blob_client);
-
-    let mut is_first_chunk = true;
-    loop {
-      if !buffer.is_saturated() {
-        if let Some(data) = downloader.next_chunk().await {
-          buffer.put(data);
-        }
-      }
-      if buffer.is_empty() {
-        break;
-      }
-
-      // get data chunk, shortened by length of metadata
-      let padding = item.metadata_size(is_first_chunk);
-      let chunk = buffer.get_chunk(padding);
-
-      trace!(
-        with_attachments = is_first_chunk,
-        data_size = chunk.len(),
-        "Sending data chunk"
-      );
-      yield item.to_response(chunk, is_first_chunk);
-      is_first_chunk = false;
-    }
-
-    downloader.terminate().await.map_err(|err| {
-      error!("Blob downloader failed: {:?}", err);
-      Status::aborted("Internal error")
-    })?;
-  }
-}
-
-/// Represents downloadable item stored in Blob service
-trait BlobStoredItem {
-  // Blob holder representing this item
-  fn get_holder(&self) -> &str;
-
-  /// Generates a gRPC response for given `data_chunk`.
-  /// The response may be in extended version, with `include_extra_info`,
-  /// ususally sent with first chunk
-  fn to_response(
-    &self,
-    data_chunk: Vec<u8>,
-    include_extra_info: bool,
-  ) -> proto::PullBackupResponse;
-
-  /// Size in bytes of non-data fields contained in response message.
-  fn metadata_size(&self, include_extra_info: bool) -> usize;
-}
-
-impl BlobStoredItem for BackupItem {
-  fn get_holder(&self) -> &str {
-    &self.compaction_holder
-  }
-
-  fn to_response(
-    &self,
-    data_chunk: Vec<u8>,
-    include_extra_info: bool,
-  ) -> proto::PullBackupResponse {
-    use proto::pull_backup_response::*;
-    let attachment_holders = if include_extra_info {
-      Some(self.attachment_holders.clone())
-    } else {
-      None
-    };
-    proto::PullBackupResponse {
-      id: Some(Id::BackupId(self.backup_id.clone())),
-      data: Some(Data::CompactionChunk(data_chunk)),
-      attachment_holders,
-    }
-  }
-
-  fn metadata_size(&self, include_extra_info: bool) -> usize {
-    let mut extra_bytes: usize = 0;
-    extra_bytes += BACKUP_TABLE_FIELD_BACKUP_ID.as_bytes().len();
-    extra_bytes += self.backup_id.as_bytes().len();
-    if include_extra_info {
-      extra_bytes += BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS.as_bytes().len();
-      extra_bytes += self.attachment_holders.as_bytes().len();
-    }
-    extra_bytes
-  }
-}
-
-impl BlobStoredItem for LogItem {
-  fn get_holder(&self) -> &str {
-    &self.value
-  }
-
-  fn to_response(
-    &self,
-    data_chunk: Vec<u8>,
-    include_extra_info: bool,
-  ) -> proto::PullBackupResponse {
-    use proto::pull_backup_response::*;
-    let attachment_holders = if include_extra_info {
-      Some(self.attachment_holders.clone())
-    } else {
-      None
-    };
-    proto::PullBackupResponse {
-      id: Some(Id::LogId(self.log_id.clone())),
-      data: Some(Data::LogChunk(data_chunk)),
-      attachment_holders,
-    }
-  }
-
-  fn metadata_size(&self, include_extra_info: bool) -> usize {
-    let mut extra_bytes: usize = 0;
-    extra_bytes += LOG_TABLE_FIELD_LOG_ID.as_bytes().len();
-    extra_bytes += self.log_id.as_bytes().len();
-    if include_extra_info {
-      extra_bytes += LOG_TABLE_FIELD_ATTACHMENT_HOLDERS.as_bytes().len();
-      extra_bytes += self.attachment_holders.as_bytes().len();
-    }
-    extra_bytes
-  }
-}
-
-/// A utility structure that buffers downloaded data and allows to retrieve it
-/// as chunks of arbitrary size, not greater than provided `limit`.
-struct ResponseBuffer {
-  buf: Vec<u8>,
-  limit: usize,
-}
-
-impl Default for ResponseBuffer {
-  /// Buffer size defaults to max usable gRPC message size
-  fn default() -> Self {
-    ResponseBuffer::new(GRPC_CHUNK_SIZE_LIMIT - GRPC_METADATA_SIZE_PER_MESSAGE)
-  }
-}
-
-impl ResponseBuffer {
-  pub fn new(limit: usize) -> Self {
-    ResponseBuffer {
-      buf: Vec::new(),
-      limit,
-    }
-  }
-
-  pub fn put(&mut self, data: Vec<u8>) {
-    if data.len() > self.limit {
-      warn!("Data saved to buffer is larger than chunk limit.");
-    }
-
-    self.buf.extend(data);
-  }
-
-  /// Gets chunk of size `limit - padding` and leaves remainder in buffer
-  pub fn get_chunk(&mut self, padding: usize) -> Vec<u8> {
-    let mut chunk = std::mem::take(&mut self.buf);
-
-    let target_size = self.limit - padding;
-    if chunk.len() > target_size {
-      // after this operation, chunk=0..target_size, self.buf=target_size..end
-      self.buf = chunk.split_off(target_size);
-    }
-    return chunk;
-  }
-
-  /// Does buffer length exceed given limit
-  pub fn is_saturated(&self) -> bool {
-    self.buf.len() >= self.limit
-  }
-
-  pub fn is_empty(&self) -> bool {
-    self.buf.is_empty()
-  }
-}
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-
-  const LIMIT: usize = 100;
-
-  #[test]
-  fn test_response_buffer() {
-    let mut buffer = ResponseBuffer::new(LIMIT);
-    assert_eq!(buffer.is_empty(), true);
-
-    // put 80 bytes of data
-    buffer.put(vec![0u8; 80]);
-    assert_eq!(buffer.is_empty(), false);
-    assert_eq!(buffer.is_saturated(), false);
-
-    // put next 80 bytes, should be saturated as 160 > 100
-    buffer.put(vec![0u8; 80]);
-    let buf_size = buffer.buf.len();
-    assert_eq!(buffer.is_saturated(), true);
-    assert_eq!(buf_size, 160);
-
-    // get one chunk
-    let padding: usize = 10;
-    let expected_chunk_size = LIMIT - padding;
-    let chunk = buffer.get_chunk(padding);
-    assert_eq!(chunk.len(), expected_chunk_size); // 90
-
-    // buffer should not be saturated now (160 - 90 < 100)
-    let remaining_buf_size = buffer.buf.len();
-    assert_eq!(remaining_buf_size, buf_size - expected_chunk_size);
-    assert_eq!(buffer.is_saturated(), false);
-
-    // get last chunk
-    let chunk = buffer.get_chunk(padding);
-    assert_eq!(chunk.len(), remaining_buf_size);
-    assert_eq!(buffer.is_empty(), true);
-  }
-}
diff --git a/services/backup/src/service/handlers/send_log.rs b/services/backup/src/service/handlers/send_log.rs
deleted file mode 100644
index bc116891d..000000000
--- a/services/backup/src/service/handlers/send_log.rs
+++ /dev/null
@@ -1,272 +0,0 @@
-use tonic::Status;
-use tracing::{debug, error, trace, warn};
-use uuid::Uuid;
-
-use super::handle_db_error;
-use crate::{
-  blob::{BlobClient, BlobUploader},
-  constants::{ID_SEPARATOR, LOG_DATA_SIZE_DATABASE_LIMIT},
-  database::{DatabaseClient, LogItem},
-  service::proto::SendLogResponse,
-};
-
-enum LogPersistence {
-  /// Log entirely stored in DynamoDB database
-  DB,
-  /// Log contents stored with Blob service
-  BLOB { holder: String },
-}
-
-pub struct SendLogHandler {
-  // flow control
-  pub should_close_stream: bool,
-
-  // inputs
-  user_id: Option<String>,
-  backup_id: Option<String>,
-  log_hash: Option<String>,
-
-  // internal state
-  log_id: Option<String>,
-  log_buffer: Vec<u8>,
-  persistence_method: LogPersistence,
-  should_receive_data: bool,
-
-  // client instances
-  db: DatabaseClient,
-  blob_client: BlobClient,
-  uploader: Option<BlobUploader>,
-}
-
-impl SendLogHandler {
-  pub fn new(db: &DatabaseClient, blob_client: &BlobClient) -> Self {
-    SendLogHandler {
-      db: db.clone(),
-      blob_client: blob_client.clone(),
-      uploader: None,
-      user_id: None,
-      backup_id: None,
-      log_hash: None,
-      log_id: None,
-      log_buffer: Vec::new(),
-      persistence_method: LogPersistence::DB,
-      should_receive_data: false,
-      should_close_stream: false,
-    }
-  }
-
-  pub async fn handle_user_id(
-    &mut self,
-    user_id: String,
-  ) -> Result<(), Status> {
-    if self.user_id.is_some() {
-      warn!("user ID already provided");
-      return Err(Status::invalid_argument("User ID already provided"));
-    }
-    self.user_id = Some(user_id);
-    self.handle_internal().await
-  }
-  pub async fn handle_backup_id(
-    &mut self,
-    backup_id: String,
-  ) -> Result<(), Status> {
-    if self.backup_id.is_some() {
-      warn!("backup ID already provided");
-      return Err(Status::invalid_argument("Backup ID already provided"));
-    }
-    tracing::Span::current().record("backup_id", &backup_id);
-    self.backup_id = Some(backup_id);
-    self.handle_internal().await
-  }
-  pub async fn handle_log_hash(
-    &mut self,
-    log_hash: Vec<u8>,
-  ) -> Result<(), Status> {
-    if self.log_hash.is_some() {
-      warn!("Log hash already provided");
-      return Err(Status::invalid_argument("Log hash already provided"));
-    }
-    let hash_str = String::from_utf8(log_hash).map_err(|err| {
-      error!("Failed to convert data_hash into string: {:?}", err);
-      Status::aborted("Unexpected error")
-    })?;
-    debug!("Received log hash: {}", &hash_str);
-    self.log_hash = Some(hash_str);
-    self.handle_internal().await
-  }
-  pub async fn handle_log_data(
-    &mut self,
-    data_chunk: Vec<u8>,
-  ) -> Result<(), Status> {
-    if !self.should_receive_data || self.log_id.is_none() {
-      self.should_close_stream = true;
-      error!("Data chunk sent before other inputs");
-      return Err(Status::invalid_argument(
-        "Data chunk sent before other inputs",
-      ));
-    }
-
-    // empty chunk ends transmission
-    if data_chunk.is_empty() {
-      self.should_close_stream = true;
-      return Ok(());
-    }
-
-    match self.persistence_method {
-      LogPersistence::DB => {
-        self.log_buffer.extend(data_chunk);
-        self.ensure_size_constraints().await?;
-      }
-      LogPersistence::BLOB { .. } => {
-        let Some(client) = self.uploader.as_mut() else {
-          self.should_close_stream = true;
-          error!("Put client uninitialized. This should never happen!");
-          return Err(Status::failed_precondition("Internal error"));
-        };
-        client.put_data(data_chunk).await.map_err(|err| {
-          error!("Failed to upload data chunk: {:?}", err);
-          Status::aborted("Internal error")
-        })?;
-      }
-    }
-    Ok(())
-  }
-
-  pub async fn finish(self) -> Result<SendLogResponse, Status> {
-    if let Some(client) = self.uploader {
-      client.terminate().await.map_err(|err| {
-        error!("Put client task closed with error: {:?}", err);
-        Status::aborted("Internal error")
-      })?;
-    } else {
-      trace!("No uploader initialized. Skipping termination");
-    }
-
-    if !self.should_receive_data {
-      // client probably aborted early
-      trace!("Nothing to store in database. Finishing early");
-      return Ok(SendLogResponse {
-        log_checkpoint: "".to_string(),
-      });
-    }
-
-    let (Some(backup_id), Some(log_id), Some(data_hash)) = (
-      self.backup_id,
-      self.log_id,
-      self.log_hash
-    ) else {
-      error!("Log info absent in data mode. This should never happen!");
-      return Err(Status::failed_precondition("Internal error"));
-     };
-
-    let (log_value, persisted_in_blob) = match self.persistence_method {
-      LogPersistence::BLOB { holder } => (holder, true),
-      LogPersistence::DB => {
-        let contents = String::from_utf8(self.log_buffer).map_err(|err| {
-          error!("Failed to convert log contents data into string: {:?}", err);
-          Status::aborted("Unexpected error")
-        })?;
-        (contents, false)
-      }
-    };
-
-    let log_item = LogItem {
-      backup_id,
-      log_id: log_id.clone(),
-      persisted_in_blob,
-      value: log_value,
-      attachment_holders: String::new(),
-      data_hash,
-    };
-
-    self
-      .db
-      .put_log_item(log_item)
-      .await
-      .map_err(handle_db_error)?;
-
-    Ok(SendLogResponse {
-      log_checkpoint: log_id,
-    })
-  }
-
-  // internal param handler helper
-  async fn handle_internal(&mut self) -> Result<(), Status> {
-    if self.should_receive_data {
-      error!("SendLogHandler is already expecting data chunks");
-      return Err(Status::failed_precondition("Log data chunk expected"));
-    }
-
-    // all non-data inputs must be set before receiving log contents
-    let (Some(backup_id), Some(_), Some(_)) = (
-      self.backup_id.as_ref(),
-      self.user_id.as_ref(),
-      self.log_hash.as_ref()
-    ) else { return Ok(()); };
-
-    let log_id = generate_log_id(backup_id);
-    tracing::Span::current().record("log_id", &log_id);
-    self.log_id = Some(log_id);
-
-    trace!("Everything prepared, waiting for data...");
-    self.should_receive_data = true;
-    Ok(())
-  }
-
-  /// Ensures log fits db size constraints. If not, it is moved to blob
-  /// persistence
-  async fn ensure_size_constraints(&mut self) -> Result<(), Status> {
-    let (Some(backup_id), Some(log_id), Some(log_hash)) = (
-      self.backup_id.as_ref(),
-      self.log_id.as_ref(),
-      self.log_hash.as_ref()
-    ) else {
-      self.should_close_stream = true;
-      error!("Log info absent in data mode. This should never happen!");
-      return Err(Status::failed_precondition("Internal error"));
-     };
-
-    let log_size = LogItem::size_from_components(
-      backup_id,
-      log_id,
-      log_hash,
-      &self.log_buffer,
-    );
-    if log_size > LOG_DATA_SIZE_DATABASE_LIMIT {
-      debug!("Log too large, switching persistence to Blob");
-      let holder =
-        crate::utils::generate_blob_holder(log_hash, backup_id, Some(log_id));
-      match crate::blob::start_simple_uploader(
-        &holder,
-        &log_hash,
-        self.blob_client.clone(),
-      )
-      .await?
-      {
-        Some(mut uploader) => {
-          let blob_chunk = std::mem::take(&mut self.log_buffer);
-          uploader.put_data(blob_chunk).await.map_err(|err| {
-            error!("Failed to upload data chunk: {:?}", err);
-            Status::aborted("Internal error")
-          })?;
-          self.uploader = Some(uploader);
-        }
-        None => {
-          debug!("Log hash already exists");
-          self.should_close_stream = true;
-        }
-      }
-      self.persistence_method = LogPersistence::BLOB { holder };
-    }
-    Ok(())
-  }
-}
-
-fn generate_log_id(backup_id: &str) -> String {
-  format!(
-    "{backup_id}{sep}{uuid}",
-    backup_id = backup_id,
-    sep = ID_SEPARATOR,
-    uuid = Uuid::new_v4()
-  )
-}
diff --git a/services/backup/src/service/mod.rs b/services/backup/src/service/mod.rs
deleted file mode 100644
index 5e385c1f7..000000000
--- a/services/backup/src/service/mod.rs
+++ /dev/null
@@ -1,241 +0,0 @@
-use aws_sdk_dynamodb::Error as DynamoDBError;
-use comm_services_lib::database::Error as DBError;
-use proto::backup_service_server::BackupService;
-use std::pin::Pin;
-use tokio::sync::mpsc;
-use tokio_stream::{wrappers::ReceiverStream, Stream, StreamExt};
-use tonic::{Request, Response, Status};
-use tracing::{debug, error, info, instrument, trace, warn};
-use tracing_futures::Instrument;
-
-use crate::{
-  blob::BlobClient, constants::MPSC_CHANNEL_BUFFER_CAPACITY,
-  database::DatabaseClient,
-};
-
-mod proto {
-  tonic::include_proto!("backup");
-}
-pub use proto::backup_service_server::BackupServiceServer;
-
-/// submodule containing gRPC endpoint handler implementations
-mod handlers {
-  pub(super) mod add_attachments;
-  pub(super) mod create_backup;
-  pub(super) mod pull_backup;
-  pub(super) mod send_log;
-
-  // re-exports for convenient usage in handlers
-  pub(self) use super::handle_db_error;
-  pub(self) use super::proto;
-}
-use self::handlers::create_backup::CreateBackupHandler;
-use self::handlers::pull_backup::PullBackupHandler;
-use self::handlers::send_log::SendLogHandler;
-
-pub struct MyBackupService {
-  db: DatabaseClient,
-  blob_client: BlobClient,
-}
-
-impl MyBackupService {
-  pub fn new(db_client: DatabaseClient, blob_client: BlobClient) -> Self {
-    MyBackupService {
-      db: db_client,
-      blob_client,
-    }
-  }
-}
-
-// gRPC implementation
-#[tonic::async_trait]
-impl BackupService for MyBackupService {
-  type CreateNewBackupStream = Pin<
-    Box<
-      dyn Stream<Item = Result<proto::CreateNewBackupResponse, Status>> + Send,
-    >,
-  >;
-
-  #[instrument(skip_all, fields(device_id, backup_id, blob_holder))]
-  async fn create_new_backup(
-    &self,
-    request: Request<tonic::Streaming<proto::CreateNewBackupRequest>>,
-  ) -> Result<Response<Self::CreateNewBackupStream>, Status> {
-    use proto::create_new_backup_request::Data::*;
-
-    info!("CreateNewBackup request: {:?}", request);
-    let mut in_stream = request.into_inner();
-    let (tx, rx) = mpsc::channel(MPSC_CHANNEL_BUFFER_CAPACITY);
-    let db = self.db.clone();
-    let blob_client = self.blob_client.clone();
-    let worker = async move {
-      let mut handler = CreateBackupHandler::new(db, blob_client);
-      while let Some(message) = in_stream.next().await {
-        let response = match message {
-          Ok(proto::CreateNewBackupRequest {
-            data: Some(UserId(user_id)),
-          }) => handler.handle_user_id(user_id).await,
-          Ok(proto::CreateNewBackupRequest {
-            data: Some(DeviceId(device_id)),
-          }) => handler.handle_device_id(device_id).await,
-          Ok(proto::CreateNewBackupRequest {
-            data: Some(KeyEntropy(key_entropy)),
-          }) => handler.handle_key_entropy(key_entropy).await,
-          Ok(proto::CreateNewBackupRequest {
-            data: Some(NewCompactionHash(hash)),
-          }) => handler.handle_data_hash(hash).await,
-          Ok(proto::CreateNewBackupRequest {
-            data: Some(NewCompactionChunk(chunk)),
-          }) => handler.handle_data_chunk(chunk).await,
-          unexpected => {
-            error!("Received an unexpected request: {:?}", unexpected);
-            Err(Status::unknown("unknown error"))
-          }
-        };
-
-        trace!("Sending response: {:?}", response);
-        if let Err(e) = tx.send(response).await {
-          error!("Response was dropped: {}", e);
-          break;
-        }
-        if handler.should_close_stream {
-          trace!("Handler requested to close stream");
-          break;
-        }
-      }
-      if let Err(status) = handler.finish().await {
-        trace!("Sending error response: {:?}", status);
-        let _ = tx.send(Err(status)).await;
-      }
-      debug!("Request finished processing");
-    };
-    tokio::spawn(worker.in_current_span());
-
-    let out_stream = ReceiverStream::new(rx);
-    Ok(Response::new(
-      Box::pin(out_stream) as Self::CreateNewBackupStream
-    ))
-  }
-
-  #[instrument(skip_all, fields(backup_id, log_id))]
-  async fn send_log(
-    &self,
-    request: Request<tonic::Streaming<proto::SendLogRequest>>,
-  ) -> Result<Response<proto::SendLogResponse>, Status> {
-    use proto::send_log_request::Data::*;
-
-    info!("SendLog request: {:?}", request);
-    let mut handler = SendLogHandler::new(&self.db, &self.blob_client);
-
-    let mut in_stream = request.into_inner();
-    while let Some(message) = in_stream.next().await {
-      let result = match message {
-        Ok(proto::SendLogRequest {
-          data: Some(UserId(user_id)),
-        }) => handler.handle_user_id(user_id).await,
-        Ok(proto::SendLogRequest {
-          data: Some(BackupId(backup_id)),
-        }) => handler.handle_backup_id(backup_id).await,
-        Ok(proto::SendLogRequest {
-          data: Some(LogHash(log_hash)),
-        }) => handler.handle_log_hash(log_hash).await,
-        Ok(proto::SendLogRequest {
-          data: Some(LogData(chunk)),
-        }) => handler.handle_log_data(chunk).await,
-        unexpected => {
-          error!("Received an unexpected request: {:?}", unexpected);
-          Err(Status::unknown("unknown error"))
-        }
-      };
-
-      if let Err(err) = result {
-        error!("An error occurred when processing request: {:?}", err);
-        return Err(err);
-      }
-      if handler.should_close_stream {
-        trace!("Handler requested to close request stream");
-        break;
-      }
-    }
-
-    let response = handler.finish().await;
-    debug!("Finished. Sending response: {:?}", response);
-    response.map(|response_body| Response::new(response_body))
-  }
-
-  type RecoverBackupKeyStream = Pin<
-    Box<
-      dyn Stream<Item = Result<proto::RecoverBackupKeyResponse, Status>> + Send,
-    >,
-  >;
-
-  #[instrument(skip(self))]
-  async fn recover_backup_key(
-    &self,
-    _request: Request<tonic::Streaming<proto::RecoverBackupKeyRequest>>,
-  ) -> Result<Response<Self::RecoverBackupKeyStream>, Status> {
-    Err(Status::unimplemented("unimplemented"))
-  }
-
-  type PullBackupStream = Pin<
-    Box<dyn Stream<Item = Result<proto::PullBackupResponse, Status>> + Send>,
-  >;
-
-  #[instrument(skip_all, fields(backup_id = &request.get_ref().backup_id))]
-  async fn pull_backup(
-    &self,
-    request: Request<proto::PullBackupRequest>,
-  ) -> Result<Response<Self::PullBackupStream>, Status> {
-    info!("PullBackup request: {:?}", request);
-
-    let handler =
-      PullBackupHandler::new(&self.db, &self.blob_client, request.into_inner())
-        .await?;
-
-    let stream = handler.into_response_stream().in_current_span();
-    Ok(Response::new(Box::pin(stream) as Self::PullBackupStream))
-  }
-
-  #[instrument(skip_all,
-    fields(
-      backup_id = &request.get_ref().backup_id,
-      log_id = &request.get_ref().log_id)
-    )]
-  async fn add_attachments(
-    &self,
-    request: Request<proto::AddAttachmentsRequest>,
-  ) -> Result<Response<()>, Status> {
-    info!(
-      "AddAttachment request. New holders: {}",
-      &request.get_ref().holders
-    );
-
-    handlers::add_attachments::handle_add_attachments(
-      &self.db,
-      &self.blob_client,
-      request.into_inner(),
-    )
-    .await?;
-
-    info!("Request processed successfully");
-    Ok(Response::new(()))
-  }
-}
-
-/// A helper converting our Database errors into gRPC responses
-fn handle_db_error(db_error: DBError) -> Status {
-  match db_error {
-    DBError::AwsSdk(DynamoDBError::InternalServerError(_))
-    | DBError::AwsSdk(DynamoDBError::ProvisionedThroughputExceededException(
-      _,
-    ))
-    | DBError::AwsSdk(DynamoDBError::RequestLimitExceeded(_)) => {
-      warn!("AWS transient error occurred");
-      Status::unavailable("please retry")
-    }
-    e => {
-      error!("Encountered an unexpected error: {}", e);
-      Status::failed_precondition("unexpected error")
-    }
-  }
-}
diff --git a/shared/protos/backup.proto b/shared/protos/backup.proto
deleted file mode 100644
index e9ba24453..000000000
--- a/shared/protos/backup.proto
+++ /dev/null
@@ -1,96 +0,0 @@
-syntax = "proto3";
-
-package backup;
-
-import "google/protobuf/empty.proto";
-
-/**
- * API - description
- *  CreateNewBackup - This method is called when we want to create a new backup.
- *    We send a new backup key encrypted with the user's password and also the
- *    new compaction. New logs that will be sent from now on will be assigned to
- *    this backup.
- *  SendLog - User sends a new log to the backup service. The log is being
- *    assigned to the latest(or desired) backup's compaction item.
- *  RecoverBackupKey - Pulls data necessary for regenerating the backup key
- *    on the client-side for the latest(or desired) backup
- *  PullBackup - Fetches compaction + all logs assigned to it for the
- *    specified backup(default is the last backup)
- */
-
-service BackupService {
-  rpc CreateNewBackup(stream CreateNewBackupRequest) returns (stream CreateNewBackupResponse) {}
-  rpc SendLog(stream SendLogRequest) returns (SendLogResponse) {}
-  rpc RecoverBackupKey(stream RecoverBackupKeyRequest) returns (stream RecoverBackupKeyResponse) {}
-  rpc PullBackup(PullBackupRequest) returns (stream PullBackupResponse) {}
-  rpc AddAttachments(AddAttachmentsRequest) returns (google.protobuf.Empty) {}
-}
-
-// CreateNewBackup
-
-message CreateNewBackupRequest {
-  oneof data {
-    string userID = 1;
-    string deviceID = 2;
-    bytes keyEntropy = 3;
-    bytes newCompactionHash = 4;
-    bytes newCompactionChunk = 5;
-  }
-}
-
-message CreateNewBackupResponse {
-  string backupID = 1;
-}
-
-// SendLog
-
-message SendLogRequest {
-  oneof data {
-    string userID = 1;
-    string backupID = 2;
-    bytes logHash = 3;
-    bytes logData = 4;
-  }
-}
-
-message SendLogResponse {
-  string logCheckpoint = 1;
-}
-
-// RecoverBackupKey
-
-message RecoverBackupKeyRequest {
-  string userID = 1;
-}
-
-message RecoverBackupKeyResponse {
-  string backupID = 4;
-}
-
-// PullBackup
-
-message PullBackupRequest {
-  string userID = 1;
-  string backupID = 2;
-}
-
-message PullBackupResponse {
-  oneof id {
-    string backupID = 1;
-    string logID = 2;
-  }
-  oneof data {
-    bytes compactionChunk = 3;
-    bytes logChunk = 4;
-  }
-  optional string attachmentHolders = 5;
-}
-
-// AddAttachment
-
-message AddAttachmentsRequest {
-  string userID = 1;
-  string backupID = 2;
-  string logID = 3;
-  string holders = 4;
-}