diff --git a/dix/devices.c b/dix/devices.c
index ab923d574..73f60f46e 100644
--- a/dix/devices.c
+++ b/dix/devices.c
@@ -1475,7 +1475,6 @@ InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc)
     PtrFeedbackPtr feedc;
 
     BUG_RETURN_VAL(dev == NULL, FALSE);
-    BUG_RETURN_VAL(dev->ptrfeed != NULL, FALSE);
 
     feedc = malloc(sizeof(PtrFeedbackClassRec));
     if (!feedc)
@@ -1519,7 +1518,6 @@ InitStringFeedbackClassDeviceStruct(DeviceIntPtr dev,
     StringFeedbackPtr feedc;
 
     BUG_RETURN_VAL(dev == NULL, FALSE);
-    BUG_RETURN_VAL(dev->stringfeed != NULL, FALSE);
 
     feedc = malloc(sizeof(StringFeedbackClassRec));
     if (!feedc)
@@ -1556,7 +1554,6 @@ InitBellFeedbackClassDeviceStruct(DeviceIntPtr dev, BellProcPtr bellProc,
     BellFeedbackPtr feedc;
 
     BUG_RETURN_VAL(dev == NULL, FALSE);
-    BUG_RETURN_VAL(dev->bell != NULL, FALSE);
 
     feedc = malloc(sizeof(BellFeedbackClassRec));
     if (!feedc)
@@ -1578,7 +1575,6 @@ InitLedFeedbackClassDeviceStruct(DeviceIntPtr dev, LedCtrlProcPtr controlProc)
     LedFeedbackPtr feedc;
 
     BUG_RETURN_VAL(dev == NULL, FALSE);
-    BUG_RETURN_VAL(dev->leds != NULL, FALSE);
 
     feedc = malloc(sizeof(LedFeedbackClassRec));
     if (!feedc)
@@ -1601,7 +1597,6 @@ InitIntegerFeedbackClassDeviceStruct(DeviceIntPtr dev,
     IntegerFeedbackPtr feedc;
 
     BUG_RETURN_VAL(dev == NULL, FALSE);
-    BUG_RETURN_VAL(dev->intfeed != NULL, FALSE);
 
     feedc = malloc(sizeof(IntegerFeedbackClassRec));
     if (!feedc)