diff --git a/src/kernel/synch.rs b/src/kernel/synch.rs
index d4e349c..ec1ba90 100644
--- a/src/kernel/synch.rs
+++ b/src/kernel/synch.rs
@@ -18,7 +18,7 @@ pub struct Semaphore {
 
 }
 
-impl<'t> Semaphore {
+impl Semaphore {
 
     ///     Decrement the value, and wait if it becomes < 0. Checking the
     ///	value and decrementing must be done atomically, so we