4 files changed, 8 insertions, 20 deletions
diff --git a/crates/utils/tcp_connection/src/handle.rs b/crates/utils/tcp_connection/src/handle.rs
index 706d386..ee77b43 100644
--- a/crates/utils/tcp_connection/src/handle.rs
+++ b/crates/utils/tcp_connection/src/handle.rs
@@ -2,9 +2,9 @@ use crate::instance::ConnectionInstance;
 use std::future::Future;
 
 pub trait ClientHandle<RequestServer> {
-    fn process(instance: ConnectionInstance) -> impl Future<Output = ()> + Send + Sync;
+    fn process(instance: ConnectionInstance) -> impl Future<Output = ()> + Send;
 }
 
 pub trait ServerHandle<RequestClient> {
-    fn process(instance: ConnectionInstance) -> impl Future<Output = ()> + Send + Sync;
+    fn process(instance: ConnectionInstance) -> impl Future<Output = ()> + Send;
 }
diff --git a/crates/utils/tcp_connection/tcp_connection_test/src/test_challenge.rs b/crates/utils/tcp_connection/tcp_connection_test/src/test_challenge.rs
index 05e47ad..0ca8540 100644
--- a/crates/utils/tcp_connection/tcp_connection_test/src/test_challenge.rs
+++ b/crates/utils/tcp_connection/tcp_connection_test/src/test_challenge.rs
@@ -14,9 +14,7 @@ use tokio::{
 pub(crate) struct ExampleChallengeClientHandle;
 
 impl ClientHandle<ExampleChallengeServerHandle> for ExampleChallengeClientHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             // Accept challenge with correct key
             let key = current_dir()
@@ -69,9 +67,7 @@ impl ClientHandle<ExampleChallengeServerHandle> for ExampleChallengeClientHandle
 pub(crate) struct ExampleChallengeServerHandle;
 
 impl ServerHandle<ExampleChallengeClientHandle> for ExampleChallengeServerHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             // Challenge with correct key
             let key_dir = current_dir().unwrap().join("res").join("key");
diff --git a/crates/utils/tcp_connection/tcp_connection_test/src/test_connection.rs b/crates/utils/tcp_connection/tcp_connection_test/src/test_connection.rs
index bbea92f..6238c39 100644
--- a/crates/utils/tcp_connection/tcp_connection_test/src/test_connection.rs
+++ b/crates/utils/tcp_connection/tcp_connection_test/src/test_connection.rs
@@ -11,9 +11,7 @@ use tokio::{join, time::sleep};
 pub(crate) struct ExampleClientHandle;
 
 impl ClientHandle<ExampleServerHandle> for ExampleClientHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             // Write name
             let Ok(_) = instance.write_text("Peter").await else {
@@ -31,9 +29,7 @@ impl ClientHandle<ExampleServerHandle> for ExampleClientHandle {
 pub(crate) struct ExampleServerHandle;
 
 impl ServerHandle<ExampleClientHandle> for ExampleServerHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             // Read name
             let Ok(name) = instance.read_text().await else {
diff --git a/crates/utils/tcp_connection/tcp_connection_test/src/test_file_transfer.rs b/crates/utils/tcp_connection/tcp_connection_test/src/test_file_transfer.rs
index 94b77c4..d316080 100644
--- a/crates/utils/tcp_connection/tcp_connection_test/src/test_file_transfer.rs
+++ b/crates/utils/tcp_connection/tcp_connection_test/src/test_file_transfer.rs
@@ -14,9 +14,7 @@ use tokio::{
 pub(crate) struct ExampleFileTransferClientHandle;
 
 impl ClientHandle<ExampleFileTransferServerHandle> for ExampleFileTransferClientHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             let image_path = current_dir()
                 .unwrap()
@@ -31,9 +29,7 @@ impl ClientHandle<ExampleFileTransferServerHandle> for ExampleFileTransferClient
 pub(crate) struct ExampleFileTransferServerHandle;
 
 impl ServerHandle<ExampleFileTransferClientHandle> for ExampleFileTransferServerHandle {
-    fn process(
-        mut instance: ConnectionInstance,
-    ) -> impl std::future::Future<Output = ()> + Send + Sync {
+    fn process(mut instance: ConnectionInstance) -> impl std::future::Future<Output = ()> + Send {
         async move {
             let save_path = current_dir()
                 .unwrap()