diff --git a/reactos/dll/win32/gdi32/gdi32.def b/reactos/dll/win32/gdi32/gdi32.def
index ed04b3f1f31..c17f4d4b811 100644
--- a/reactos/dll/win32/gdi32/gdi32.def
+++ b/reactos/dll/win32/gdi32/gdi32.def
@@ -205,7 +205,7 @@ DdEntry53@8=NtGdiDdUnlock@8
 DdEntry54@8=NtGdiDdUnlockD3D@8
 DdEntry55@12=NtGdiDdUpdateOverlay@12
 DdEntry56@8=NtGdiDdWaitForVerticalBlank@8
-EngUnlockSurface@4
+EngUnlockSurface@4=NtGdiEngLockSurface@4
 EngWideCharToMultiByte@20
 EnumEnhMetaFile@20
 EnumFontFamiliesA@16
diff --git a/reactos/dll/win32/gdi32/misc/stubs.c b/reactos/dll/win32/gdi32/misc/stubs.c
index 63fb3634067..2a09e13b9df 100644
--- a/reactos/dll/win32/gdi32/misc/stubs.c
+++ b/reactos/dll/win32/gdi32/misc/stubs.c
@@ -2503,15 +2503,6 @@ Ellipse(
     return NtGdiEllipse(hdc,nLeftRect,nTopRect,nRightRect,nBottomRect);
 }
 
-/*
- * @unimplemented
- */
-VOID STDCALL 
-EngUnlockSurface(SURFOBJ *pso)
-{
-	UNIMPLEMENTED;
-	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-}
 
 /*
  * @unimplemented