diff --git a/dix/grabs.c b/dix/grabs.c
index 4e63e7203..9b947c5d6 100644
--- a/dix/grabs.c
+++ b/dix/grabs.c
@@ -193,6 +193,8 @@ UngrabAllDevices(Bool kill_client)
     ErrorF("End list of ungrabbed devices\n");
 }
 
+static Bool CopyGrab(GrabPtr dst, const GrabPtr src);
+
 GrabPtr
 AllocGrab(const GrabPtr src)
 {
@@ -269,7 +271,7 @@ FreeGrab(GrabPtr pGrab)
     free(pGrab);
 }
 
-Bool
+static Bool
 CopyGrab(GrabPtr dst, const GrabPtr src)
 {
     Mask *mdetails_mask = NULL;
diff --git a/include/dixgrabs.h b/include/dixgrabs.h
index dc1068fef..8e2b40dc4 100644
--- a/include/dixgrabs.h
+++ b/include/dixgrabs.h
@@ -33,7 +33,6 @@ extern void UngrabAllDevices(Bool kill_client);
 
 extern GrabPtr AllocGrab(const GrabPtr src);
 extern void FreeGrab(GrabPtr grab);
-extern Bool CopyGrab(GrabPtr dst, const GrabPtr src);
 
 extern GrabPtr CreateGrab(int /* client */ ,
                           DeviceIntPtr /* device */ ,