diff --git a/services/backup/blob_client/src/get_client.rs b/services/backup/blob_client/src/get_client.rs
--- a/services/backup/blob_client/src/get_client.rs
+++ b/services/backup/blob_client/src/get_client.rs
@@ -6,9 +6,7 @@
 use proto::GetRequest;
 
 use crate::constants::{BLOB_ADDRESS, MPSC_CHANNEL_BUFFER_CAPACITY};
-use crate::tools::{
-  c_char_pointer_to_string, string_to_c_char_pointer,
-};
+use crate::tools::{c_char_pointer_to_string, string_to_c_char_pointer};
 use anyhow::bail;
 use lazy_static::lazy_static;
 use libc;
@@ -30,8 +28,6 @@
   static ref CLIENTS: Arc<Mutex<HashMap<String, ReadClient>>> =
     Arc::new(Mutex::new(HashMap::new()));
   static ref RUNTIME: Runtime = Runtime::new().unwrap();
-  static ref ERROR_MESSAGES: Arc<Mutex<Vec<String>>> =
-    Arc::new(Mutex::new(Vec::new()));
 }
 
 fn is_initialized(holder: &String) -> anyhow::Result<bool, anyhow::Error> {
diff --git a/services/backup/blob_client/src/put_client.rs b/services/backup/blob_client/src/put_client.rs
--- a/services/backup/blob_client/src/put_client.rs
+++ b/services/backup/blob_client/src/put_client.rs
@@ -8,9 +8,7 @@
 use proto::PutRequest;
 
 use crate::constants::{BLOB_ADDRESS, MPSC_CHANNEL_BUFFER_CAPACITY};
-use crate::tools::{
-  c_char_pointer_to_string, string_to_c_char_pointer,
-};
+use crate::tools::{c_char_pointer_to_string, string_to_c_char_pointer};
 use anyhow::bail;
 use lazy_static::lazy_static;
 use libc;
@@ -41,8 +39,6 @@
   static ref CLIENTS: Arc<Mutex<HashMap<String, BidiClient>>> =
     Arc::new(Mutex::new(HashMap::new()));
   static ref RUNTIME: Runtime = Runtime::new().unwrap();
-  static ref ERROR_MESSAGES: Arc<Mutex<Vec<String>>> =
-    Arc::new(Mutex::new(Vec::new()));
 }
 
 fn is_initialized(holder: &String) -> anyhow::Result<bool, anyhow::Error> {
@@ -125,30 +121,24 @@
         Ok(response) => {
           let mut inner_response = response.into_inner();
           loop {
-            match inner_response.message().await {
-              Ok(maybe_response_message) => {
-                let mut result = false;
-                if let Some(response_message) = maybe_response_message {
-                  // warning: this will produce an error if there's more unread
-                  // responses than MPSC_CHANNEL_BUFFER_CAPACITY
-                  // you should then use put_client_blocking_read_cxx in order
-                  // to dequeue the responses in c++ and make room for more
-                  if let Ok(_) = response_thread_tx
-                    .try_send((response_message.data_exists as i32).to_string())
-                  {
-                    result = true;
-                  } else {
-                    bail!("response queue full");
-                  }
-                }
-                if !result {
-                  break;
-                }
+            let maybe_response_message = inner_response.message().await?;
+            let mut result = false;
+            if let Some(response_message) = maybe_response_message {
+              // warning: this will produce an error if there's more unread
+              // responses than MPSC_CHANNEL_BUFFER_CAPACITY
+              // you should then use put_client_blocking_read_cxx in order
+              // to dequeue the responses in c++ and make room for more
+              if let Ok(_) = response_thread_tx
+                .try_send((response_message.data_exists as i32).to_string())
+              {
+                result = true;
+              } else {
+                bail!("response queue full");
               }
-              Err(err) => {
-                bail!(err.to_string());
-              }
-            };
+            }
+            if !result {
+              break;
+            }
           }
         }
         Err(err) => {
@@ -192,7 +182,10 @@
           bail!("couldn't receive data via client's receiver");
         }
       } else {
-        bail!(format!("no client detected for {} in blocking read", holder));
+        bail!(format!(
+          "no client detected for {} in blocking read",
+          holder
+        ));
       }
     } else {
       bail!("couldn't access clients");
@@ -248,9 +241,7 @@
     let maybe_client = clients.remove(&holder);
     if let Some(client) = maybe_client {
       drop(client.tx);
-      RUNTIME.block_on(async {
-        client.rx_handle.await?
-      })?;
+      RUNTIME.block_on(async { client.rx_handle.await? })?;
     } else {
       bail!("no client detected in terminate");
     }