diff --git a/native/native_rust_library/Cargo.lock b/native/native_rust_library/Cargo.lock
--- a/native/native_rust_library/Cargo.lock
+++ b/native/native_rust_library/Cargo.lock
@@ -2,15 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "aho-corasick"
-version = "0.7.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.65"
@@ -660,7 +651,6 @@
  "opaque-ke",
  "prost",
  "rand",
- "regex",
  "sha2",
  "tokio",
  "tokio-stream",
@@ -909,8 +899,6 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
 dependencies = [
- "aho-corasick",
- "memchr",
  "regex-syntax",
 ]
 
diff --git a/native/native_rust_library/Cargo.toml b/native/native_rust_library/Cargo.toml
--- a/native/native_rust_library/Cargo.toml
+++ b/native/native_rust_library/Cargo.toml
@@ -20,7 +20,6 @@
 digest = "0.9"
 curve25519-dalek = "3.2"
 sha2 = "0.9"
-regex = "1.6"
 
 [build-dependencies]
 cxx-build = "1.0"
diff --git a/native/native_rust_library/src/crypto_tools.rs b/native/native_rust_library/src/crypto_tools.rs
deleted file mode 100644
--- a/native/native_rust_library/src/crypto_tools.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use crate::ffi::DeviceType;
-use rand::distributions::{Alphanumeric, DistString};
-#[cfg(test)]
-use regex::Regex;
-
-// DEVICE_ID_CHAR_LENGTH has to be kept in sync with deviceIDCharLength
-// which is defined in web/utils/device-id.js
-// and with DEVICE_CHAR_LENGTH
-// defined in services/tunnelbroker/src/Constants.h
-const DEVICE_ID_CHAR_LENGTH: usize = 64;
-// DEVICE_ID_FORMAT_REGEX has to be kept in sync with deviceIDFormatRegex
-// which is defined in web/utils/device-id.js
-// and with DEVICEID_FORMAT_REGEX
-// defined in services/tunnelbroker/src/Constants.h
-#[cfg(test)]
-const DEVICE_ID_FORMAT_REGEX: &str = "^(ks|mobile|web):[a-zA-Z0-9]{64}$";
-
-// generate_device_id has to be kept in sync with generateDeviceID
-// which is defined in web/utils/device-id.js
-pub fn generate_device_id(device_type: DeviceType) -> Result<String, String> {
-  let prefix = match device_type {
-    DeviceType::KEYSERVER => "ks",
-    DeviceType::WEB => "web",
-    DeviceType::MOBILE => "mobile",
-    _ => {
-      return Err(String::from("Incorrect device type provieded"));
-    }
-  };
-  let mut rng = rand::thread_rng();
-  let suffix: String =
-    Alphanumeric.sample_string(&mut rng, DEVICE_ID_CHAR_LENGTH);
-
-  Ok(format!("{}:{}", &prefix, &suffix))
-}
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-
-  fn check_regex(s: &String) -> bool {
-    Regex::new(&DEVICE_ID_FORMAT_REGEX).unwrap().is_match(&s)
-  }
-
-  #[test]
-  fn generate_device_id_ks() {
-    for _x in 1..100 {
-      let result = generate_device_id(DeviceType::KEYSERVER).unwrap();
-      assert!(
-        check_regex(&result),
-        "result: {} does not match regex {}",
-        &result,
-        &DEVICE_ID_FORMAT_REGEX
-      );
-    }
-  }
-
-  #[test]
-  fn generate_device_id_web() {
-    for _x in 1..100 {
-      let result = generate_device_id(DeviceType::WEB).unwrap();
-      assert!(
-        check_regex(&result),
-        "result: {} does not match regex {}",
-        &result,
-        &DEVICE_ID_FORMAT_REGEX
-      );
-    }
-  }
-
-  #[test]
-  fn generate_device_id_mobile() {
-    for _x in 1..100 {
-      let result = generate_device_id(DeviceType::MOBILE).unwrap();
-      assert!(
-        check_regex(&result),
-        "result: {} does not match regex {}",
-        &result,
-        &DEVICE_ID_FORMAT_REGEX
-      );
-    }
-  }
-}
diff --git a/native/native_rust_library/src/lib.rs b/native/native_rust_library/src/lib.rs
--- a/native/native_rust_library/src/lib.rs
+++ b/native/native_rust_library/src/lib.rs
@@ -4,14 +4,12 @@
 use tonic::{transport::Channel, Status};
 use tracing::instrument;
 
-mod crypto_tools;
 mod identity_client;
 mod opaque;
 mod identity {
   tonic::include_proto!("identity");
 }
 
-use crypto_tools::generate_device_id;
 use identity::identity_service_client::IdentityServiceClient;
 use identity_client::{
   get_user_id, login_user_pake, login_user_wallet, register_user,
@@ -33,15 +31,7 @@
 
 #[cxx::bridge]
 mod ffi {
-
-  enum DeviceType {
-    KEYSERVER,
-    WEB,
-    MOBILE,
-  }
-
   extern "Rust" {
-    // Identity Service Client
     type Client;
     fn initialize_client() -> Box<Client>;
     fn get_user_id_blocking(
@@ -78,8 +68,6 @@
       siwe_signature: Vec<u8>,
       user_public_key: String,
     ) -> Result<String>;
-    // Crypto Tools
-    fn generate_device_id(device_type: DeviceType) -> Result<String>;
   }
 }