diff --git a/rate_limiter/src/group.rs b/rate_limiter/src/group.rs
index 6a070b72a..51e18196a 100644
--- a/rate_limiter/src/group.rs
+++ b/rate_limiter/src/group.rs
@@ -23,23 +23,23 @@ pub enum Error {
     ThreadSpawn(#[source] io::Error),
 
     /// Cannot create epoll context.
-    #[error("Error creating epoll context: {0}")]
+    #[error("Error creating epoll context")]
     Epoll(#[source] io::Error),
 
     /// Cannot create EventFd.
-    #[error("Error creating EventFd: {0}")]
+    #[error("Error creating EventFd")]
     EventFd(#[source] io::Error),
 
     /// Cannot create RateLimiter.
-    #[error("Error creating RateLimiter: {0}")]
+    #[error("Error creating RateLimiter")]
     RateLimiter(#[source] io::Error),
 
     /// Cannot read from EventFd.
-    #[error("Error reading from EventFd: {0}")]
+    #[error("Error reading from EventFd")]
     EventFdRead(#[source] io::Error),
 
     /// Cannot write to EventFd.
-    #[error("Error writing to EventFd: {0}")]
+    #[error("Error writing to EventFd")]
     EventFdWrite(#[source] io::Error),
 }
 
diff --git a/rate_limiter/src/lib.rs b/rate_limiter/src/lib.rs
index 6f74d4c16..4202bfd1a 100644
--- a/rate_limiter/src/lib.rs
+++ b/rate_limiter/src/lib.rs
@@ -65,7 +65,7 @@ pub enum Error {
     #[error("Event handler was called spuriously: {0}")]
     SpuriousRateLimiterEvent(&'static str),
     /// The event handler encounters while TimerFd::wait()
-    #[error("Failed to wait for the timer: {0}")]
+    #[error("Failed to wait for the timer")]
     TimerFdWaitError(#[source] std::io::Error),
 }