diff --git a/src/agent/rustjail/src/container.rs b/src/agent/rustjail/src/container.rs
index f55878ce1c..58bea2f16e 100644
--- a/src/agent/rustjail/src/container.rs
+++ b/src/agent/rustjail/src/container.rs
@@ -545,7 +545,7 @@ fn do_init_child(cwfd: RawFd) -> Result<()> {
         // notify parent to run prestart hooks
         write_sync(cwfd, SYNC_SUCCESS, "")?;
         // wait parent run prestart hooks
-        let _ = read_sync(crfd)?;
+        read_sync(crfd)?;
     }
 
     if mount_fd != -1 {
@@ -1254,7 +1254,7 @@ async fn join_namespaces(
 
     if p.init {
         info!(logger, "notify child parent ready to run prestart hook!");
-        let _ = read_async(pipe_r).await?;
+        read_async(pipe_r).await?;
 
         info!(logger, "get ready to run prestart hook!");
 
diff --git a/src/agent/src/main.rs b/src/agent/src/main.rs
index cab67edcbb..3ab3971988 100644
--- a/src/agent/src/main.rs
+++ b/src/agent/src/main.rs
@@ -305,7 +305,7 @@ async fn start_sandbox(
     let mut server = rpc::start(sandbox.clone(), config.server_addr.as_str());
     server.start().await?;
 
-    let _ = rx.await?;
+    rx.await?;
     server.shutdown().await?;
 
     Ok(())
diff --git a/src/agent/src/random.rs b/src/agent/src/random.rs
index 2bfaa9e398..a58213de2e 100644
--- a/src/agent/src/random.rs
+++ b/src/agent/src/random.rs
@@ -37,10 +37,10 @@ pub fn reseed_rng(data: &[u8]) -> Result<()> {
             &len as *const libc::c_long,
         )
     };
-    let _ = Errno::result(ret).map(drop)?;
+    Errno::result(ret).map(drop)?;
 
     let ret = unsafe { libc::ioctl(f.as_raw_fd(), RNDRESEEDRNG as IoctlRequestType, 0) };
-    let _ = Errno::result(ret).map(drop)?;
+    Errno::result(ret).map(drop)?;
 
     Ok(())
 }
diff --git a/src/agent/src/rpc.rs b/src/agent/src/rpc.rs
index 92025af3fe..fe8d6a1149 100644
--- a/src/agent/src/rpc.rs
+++ b/src/agent/src/rpc.rs
@@ -103,7 +103,7 @@ impl AgentService {
     ) -> Result<()> {
         let cid = req.container_id.clone();
 
-        let _ = verify_cid(&cid)?;
+        verify_cid(&cid)?;
 
         let mut oci_spec = req.OCI.clone();
         let use_sandbox_pidns = req.get_sandbox_pidns();
@@ -926,7 +926,7 @@ impl protocols::agent_ttrpc::AgentService for AgentService {
             }
 
             for m in req.kernel_modules.iter() {
-                let _ = load_kernel_module(m)
+                load_kernel_module(m)
                     .map_err(|e| ttrpc_error(ttrpc::Code::INTERNAL, e.to_string()))?;
             }
 
@@ -1529,22 +1529,22 @@ fn setup_bundle(cid: &str, spec: &mut Spec) -> Result<PathBuf> {
 fn cleanup_process(p: &mut Process) -> Result<()> {
     if p.parent_stdin.is_some() {
         p.close_stream(StreamType::ParentStdin);
-        let _ = unistd::close(p.parent_stdin.unwrap())?;
+        unistd::close(p.parent_stdin.unwrap())?;
     }
 
     if p.parent_stdout.is_some() {
         p.close_stream(StreamType::ParentStdout);
-        let _ = unistd::close(p.parent_stdout.unwrap())?;
+        unistd::close(p.parent_stdout.unwrap())?;
     }
 
     if p.parent_stderr.is_some() {
         p.close_stream(StreamType::ParentStderr);
-        let _ = unistd::close(p.parent_stderr.unwrap())?;
+        unistd::close(p.parent_stderr.unwrap())?;
     }
 
     if p.term_master.is_some() {
         p.close_stream(StreamType::TermMaster);
-        let _ = unistd::close(p.term_master.unwrap())?;
+        unistd::close(p.term_master.unwrap())?;
     }
 
     p.notify_term_close();