--- Xonotic.orig/source/darkplaces/sys_shared.c
+++ Xonotic/source/darkplaces/sys_shared.c
@@ -50,18 +50,8 @@
 	exit(returnvalue);
 }
 
-#if defined(__linux__) || defined(__FreeBSD__)
-#ifdef __cplusplus
-extern "C"
-#endif
-int moncontrol(int);
-#endif
-
 void Sys_AllowProfiling(qboolean enable)
 {
-#if defined(__linux__) || defined(__FreeBSD__)
-	moncontrol(enable);
-#endif
 }