diff --git a/sdk/define-syscall/src/codes.rs b/sdk/define-syscall/src/codes.rs
index d55e3b350eaa37..79cc47371f9d9e 100644
--- a/sdk/define-syscall/src/codes.rs
+++ b/sdk/define-syscall/src/codes.rs
@@ -1,6 +1,6 @@
-/// These are syscall codes specified in SIMD-0178.
-/// If a new syscall is to be included, add a new number constant
-/// for correct registration.
+//! These are syscall codes specified in SIMD-0178.
+//! If a new syscall is to be included, add a new number constant
+//! for correct registration.
 
 macro_rules! define_code {
     ($name:ident, $code:literal) => {
diff --git a/streamer/src/nonblocking/quic.rs b/streamer/src/nonblocking/quic.rs
index d2fdd59afe5086..f91798e99e9949 100644
--- a/streamer/src/nonblocking/quic.rs
+++ b/streamer/src/nonblocking/quic.rs
@@ -230,7 +230,6 @@ pub fn spawn_server_multi(
 /// litter the code with open connection tracking. This is added into the
 /// connection table as part of the ConnectionEntry. The reference is auto
 /// reduced when it is dropped.
-
 struct ClientConnectionTracker {
     stats: Arc<StreamerStats>,
 }
diff --git a/validator/src/cli.rs b/validator/src/cli.rs
index 2efa6317bf21f8..a546379230605d 100644
--- a/validator/src/cli.rs
+++ b/validator/src/cli.rs
@@ -2451,7 +2451,6 @@ fn hash_validator(hash: String) -> Result<(), String> {
 }
 
 /// Test validator
-
 pub fn test_app<'a>(version: &'a str, default_args: &'a DefaultTestArgs) -> App<'a, 'a> {
     App::new("solana-test-validator")
         .about("Test Validator")