diff --git a/Source/tmsg.cpp b/Source/tmsg.cpp
index e8caf15f9..e4f6a9637 100644
--- a/Source/tmsg.cpp
+++ b/Source/tmsg.cpp
@@ -41,7 +41,7 @@ void tmsg_start()
 	assert(! sgpTimedMsgHead);
 }
 
-void *tmsg_cleanup()
+void tmsg_cleanup()
 {
 	TMsg *next;
 
@@ -50,5 +50,4 @@ void *tmsg_cleanup()
 		MemFreeDbg(sgpTimedMsgHead);
 		sgpTimedMsgHead = next;
 	}
-	return sgpTimedMsgHead;
 }
diff --git a/Source/tmsg.h b/Source/tmsg.h
index 465181f72..7e23e31e5 100644
--- a/Source/tmsg.h
+++ b/Source/tmsg.h
@@ -5,6 +5,6 @@
 int tmsg_get(BYTE *pbMsg, DWORD dwMaxLen);
 void tmsg_add(BYTE *pbMsg, BYTE bLen);
 void tmsg_start();
-void *tmsg_cleanup();
+void tmsg_cleanup();
 
 #endif /* __TMSG_H__ */