diff --git a/reactos/lib/rtl/bitmap.c b/reactos/lib/rtl/bitmap.c
index 61fa95773e9..113427aff53 100644
--- a/reactos/lib/rtl/bitmap.c
+++ b/reactos/lib/rtl/bitmap.c
@@ -125,15 +125,10 @@ RtlAreBitsSet(PRTL_BITMAP BitMapHeader,
 VOID NTAPI
 RtlClearAllBits(IN OUT PRTL_BITMAP BitMapHeader)
 {
-   if (BitMapHeader != NULL)
-   { 
-     if (BitMapHeader->Buffer != NULL)
-     {
-        memset(BitMapHeader->Buffer,
-	           0x00,
-	           ROUND_UP(BitMapHeader->SizeOfBitMap, 8) / 8);
-     }
-   }
+     memset(BitMapHeader->Buffer,
+	         0x00,
+	         ROUND_UP(BitMapHeader->SizeOfBitMap, 8) / 8);
+ 
 }