diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index 8593f86e71..c6ee90eb19 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -112,9 +112,6 @@ CUSTOM_CVAR(Bool, vid_autoswitch, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_
 }
 
 
-EXTERN_CVAR(Bool, gl_smooth_rendered)
-
-
 // ---------------------------------------------------------------------------