diff --git a/reactos/dll/win32/user32/windows/dc.c b/reactos/dll/win32/user32/windows/dc.c
index 7b75a27d61c..c5361ade38a 100644
--- a/reactos/dll/win32/user32/windows/dc.c
+++ b/reactos/dll/win32/user32/windows/dc.c
@@ -89,9 +89,8 @@ ReleaseDC(
   if (!hDC) return FALSE; // Null hDC return zero.
 
   GdiReleaseDC ( hDC ); // Release locals.
-  // Win 3.1 throw back, hWnd should be ignored and not used.  
-  // Replace with NtUserCallOneParam ((DWORD) hDC, ONEPARAM_ROUTINE_RELEASEDC);
-  return NtUserReleaseDC(hWnd, hDC);
+  // Win 3.1 throw back, hWnd is ignored and not used.  
+  return NtUserCallOneParam( (DWORD) hDC, ONEPARAM_ROUTINE_RELEASEDC);
 }
 
 
diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index 33e100066ef..0593699f4b5 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -281,9 +281,6 @@ NtUserGetClassLong(HWND hWnd, INT Offset, BOOL Ansi);
 LONG NTAPI
 NtUserGetWindowLong(HWND hWnd, DWORD Index, BOOL Ansi);
 
-INT NTAPI
-NtUserReleaseDC(HWND hWnd, HDC hDc);
-
 BOOL NTAPI
 NtUserGetWindowRect(HWND hWnd, LPRECT Rect);
 
@@ -460,6 +457,7 @@ NtUserCallNoParam(
 #define ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT    0x29
 #define ONEPARAM_ROUTINE_SHOWCURSOR           0x30
 #define ONEPARAM_ROUTINE_REGISTERUSERMODULE   0x31
+#define ONEPARAM_ROUTINE_RELEASEDC            0x39
 DWORD
 NTAPI
 NtUserCallOneParam(
diff --git a/reactos/subsystems/win32/win32k/ntuser/misc.c b/reactos/subsystems/win32/win32k/ntuser/misc.c
index 61c00d26b25..268803f3a9c 100644
--- a/reactos/subsystems/win32/win32k/ntuser/misc.c
+++ b/reactos/subsystems/win32/win32k/ntuser/misc.c
@@ -427,6 +427,8 @@ NtUserCallOneParam(
               RETURN(TRUE);
           }
       }
+      case ONEPARAM_ROUTINE_RELEASEDC:
+         RETURN (UserReleaseDC(NULL, (HDC) Param, FALSE));
    }
    DPRINT1("Calling invalid routine number 0x%x in NtUserCallOneParam(), Param=0x%x\n",
            Routine, Param);
diff --git a/reactos/subsystems/win32/win32k/ntuser/windc.c b/reactos/subsystems/win32/win32k/ntuser/windc.c
index 0d59a1cb446..004d8bf5c28 100644
--- a/reactos/subsystems/win32/win32k/ntuser/windc.c
+++ b/reactos/subsystems/win32/win32k/ntuser/windc.c
@@ -632,24 +632,6 @@ UserReleaseDC(PWINDOW_OBJECT Window, HDC hDc, BOOL EndPaint)
 }
 
 
-// Win 3.1 throw back, hWnd should be ignored and not used.
-// Replace with NtUserCallOneParam ((DWORD) hDC, ONEPARAM_ROUTINE_RELEASEDC);
-INT STDCALL
-NtUserReleaseDC(HWND hWnd, HDC hDc)
-{
-   DECLARE_RETURN(INT);
-
-   DPRINT("Enter NtUserReleaseDC\n");
-   UserEnterExclusive();
-
-   RETURN(UserReleaseDC(NULL, hDc, FALSE));
-
-CLEANUP:
-   DPRINT("Leave NtUserReleaseDC, ret=%i\n",_ret_);
-   UserLeave();
-   END_CLEANUP;
-}
-
 /***********************************************************************
  *           DceFreeDCE
  */
diff --git a/reactos/subsystems/win32/win32k/w32ksvc.db b/reactos/subsystems/win32/win32k/w32ksvc.db
index 238aae25a4a..93844ef88c5 100644
--- a/reactos/subsystems/win32/win32k/w32ksvc.db
+++ b/reactos/subsystems/win32/win32k/w32ksvc.db
@@ -741,7 +741,6 @@ NtUserMenuItemInfo                      5
 NtUserMonitorFromPoint                  3
 NtUserMonitorFromRect                   2
 NtUserMonitorFromWindow                 2
-NtUserReleaseDC                         2
 NtUserRegisterClassEx                   6
 NtUserRegisterClipboardFormat           1 
 NtUserSendMessage                       5