diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index b6124a7f2dc..6ad7858518c 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -1208,13 +1208,6 @@ NtUserGetGUIThreadInfo(
   DWORD idThread,
   LPGUITHREADINFO lpgui);
 
-BOOL
-NTAPI
-NtUserGetCursorIconSize(
-  HANDLE Handle,
-  BOOL *fIcon,
-  SIZE *Size);
-
 BOOL
 NTAPI
 NtUserGetIconInfo(