diff --git a/reactos/ntoskrnl/mm/virtual.c b/reactos/ntoskrnl/mm/virtual.c
index 7bca992294f..3531d242c42 100644
--- a/reactos/ntoskrnl/mm/virtual.c
+++ b/reactos/ntoskrnl/mm/virtual.c
@@ -962,9 +962,6 @@ MmSecureVirtualMemory(PVOID  Address,
                       SIZE_T Length,
                       ULONG  Mode)
 {
-
-    if ( ( (DWORD)Address + Length > (DWORD)MmHighestUserAddress) || 
-          ( (DWORD)Address + Length <= (DWORD)Address ) )
     /* Only works for user space */
     if (((ULONG_PTR)Address > (ULONG_PTR)Address + Length) ||
         ((ULONG_PTR)MmHighestUserAddress < (ULONG_PTR)Address + Length))