Index: libcfa/src/bits/locks.hfa
===================================================================
--- libcfa/src/bits/locks.hfa	(revision 5e82d5660ea90ef6ea696c4a3a319b69edff9116)
+++ libcfa/src/bits/locks.hfa	(revision f0d67e5abea7221dccd4183dd58ccc6cdbee32fc)
@@ -178,5 +178,5 @@
 		}
 
-		void ^?{}(single_sem & this) {}
+		void ^?{}(single_sem &) {}
 
 		bool wait(single_sem & this) {
@@ -234,5 +234,5 @@
 		}
 
-		void ^?{}(oneshot & this) {}
+		void ^?{}(oneshot &) {}
 
 		// Wait for the post, return immidiately if it already happened.
@@ -281,5 +281,5 @@
 		}
 
-		void ^?{}(future_t & this) {}
+		void ^?{}(future_t &) {}
 
 		// check if the future is available