diff --git a/hw/darwin/quartz/applewmExt.h b/hw/darwin/quartz/applewmExt.h
index 92d3c5c03..b27083ac7 100644
--- a/hw/darwin/quartz/applewmExt.h
+++ b/hw/darwin/quartz/applewmExt.h
@@ -59,8 +59,6 @@ typedef struct _AppleWMProcs {
     FrameDrawProc FrameDraw;
 } AppleWMProcsRec, *AppleWMProcsPtr;
 
-extern AppleWMProcsPtr appleWMProcs;
-
 void AppleWMExtensionInit(
     AppleWMProcsPtr procsPtr
 );