diff --git a/bitcoin/src/blockdata/script/push_bytes.rs b/bitcoin/src/blockdata/script/push_bytes.rs
index 99f5ccbf..ae14013b 100644
--- a/bitcoin/src/blockdata/script/push_bytes.rs
+++ b/bitcoin/src/blockdata/script/push_bytes.rs
@@ -25,7 +25,7 @@ mod primitive {
     use crate::prelude::*;
 
     #[cfg(any(target_pointer_width = "16", target_pointer_width = "32"))]
-    fn check_limit(len: usize) -> Result<(), PushBytesError> { Ok(()) }
+    fn check_limit(_: usize) -> Result<(), PushBytesError> { Ok(()) }
 
     #[cfg(not(any(target_pointer_width = "16", target_pointer_width = "32")))]
     fn check_limit(len: usize) -> Result<(), PushBytesError> {
@@ -380,7 +380,7 @@ mod error {
     }
 
     impl fmt::Display for PushBytesError {
-        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self.never {} }
+        fn fmt(&self, _: &mut fmt::Formatter) -> fmt::Result { match self.never {} }
     }
 }