diff --git a/dix/grabs.c b/dix/grabs.c
index 156574efe..2d3327c42 100644
--- a/dix/grabs.c
+++ b/dix/grabs.c
@@ -97,8 +97,6 @@ CreateGrab(
     grab->modifiersDetail.exact = modifiers;
     grab->modifiersDetail.pMask = NULL;
     grab->modifierDevice = modDevice;
-    grab->coreMods = ((modDevice == inputInfo.keyboard) ||
-		      (modDevice == inputInfo.pointer));
     grab->type = type;
     grab->detail.exact = keybut;
     grab->detail.pMask = NULL;
diff --git a/include/inputstr.h b/include/inputstr.h
index 59fb29bf0..14941b106 100644
--- a/include/inputstr.h
+++ b/include/inputstr.h
@@ -172,7 +172,6 @@ typedef struct _GrabRec {
     unsigned		keyboardMode:1;
     unsigned		pointerMode:1;
     unsigned		coreGrab:1;	/* grab is on core device */
-    unsigned		coreMods:1;	/* modifiers are on core keyboard */
     CARD8		type;		/* event type */
     DetailRec		modifiersDetail;
     DeviceIntPtr	modifierDevice;