diff --git a/reactos/subsystems/win32/win32k/ntuser/menu.c b/reactos/subsystems/win32/win32k/ntuser/menu.c
index 092a58451d7..d9648a53eea 100644
--- a/reactos/subsystems/win32/win32k/ntuser/menu.c
+++ b/reactos/subsystems/win32/win32k/ntuser/menu.c
@@ -74,7 +74,6 @@ PMENU_OBJECT FASTCALL UserGetMenuObject(HMENU hMenu)
       return NULL;
    }
 
-   ASSERT(Menu->head.cLockObj >= 0);
    return Menu;
 }
 
@@ -137,11 +136,8 @@ IntGetMenuObject(HMENU hMenu)
 {
    PMENU_OBJECT Menu = UserGetMenuObject(hMenu);
    if (Menu)
-   {
-      ASSERT(Menu->head.cLockObj >= 0);
-
       Menu->head.cLockObj++;
-   }
+
    return Menu;
 }
 
diff --git a/reactos/subsystems/win32/win32k/ntuser/monitor.c b/reactos/subsystems/win32/win32k/ntuser/monitor.c
index 675ca7db64d..4f0f19d5f34 100644
--- a/reactos/subsystems/win32/win32k/ntuser/monitor.c
+++ b/reactos/subsystems/win32/win32k/ntuser/monitor.c
@@ -93,8 +93,6 @@ UserGetMonitorObject(IN HMONITOR hMonitor)
         return NULL;
     }
 
-    ASSERT(Monitor->head.cLockObj >= 0);
-
     return Monitor;
 }
 
diff --git a/reactos/subsystems/win32/win32k/ntuser/window.c b/reactos/subsystems/win32/win32k/ntuser/window.c
index 5956a44e150..f7b2d0940a9 100644
--- a/reactos/subsystems/win32/win32k/ntuser/window.c
+++ b/reactos/subsystems/win32/win32k/ntuser/window.c
@@ -61,11 +61,8 @@ PWND FASTCALL IntGetWindowObject(HWND hWnd)
 
    Window = UserGetWindowObject(hWnd);
    if (Window)
-   {
-      ASSERT(Window->head.cLockObj >= 0);
-
       Window->head.cLockObj++;
-   }
+
    return Window;
 }
 
@@ -87,8 +84,6 @@ PWND FASTCALL UserGetWindowObject(HWND hWnd)
       return NULL;
    }
 
-   ASSERT(Window->head.cLockObj >= 0);
-
    return Window;
 }