diff --git a/include/winbase.h b/include/winbase.h
index c2fab889044..78c0f4fd622 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -1247,7 +1247,6 @@ BOOL        WINAPI AddAuditAccessAceEx(PACL,DWORD,DWORD,DWORD,PSID,BOOL,BOOL);
 VOID        WINAPI AddRefActCtx(HANDLE);
 PVOID       WINAPI AddVectoredExceptionHandler(ULONG,PVECTORED_EXCEPTION_HANDLER);
 BOOL        WINAPI AdjustTokenGroups(HANDLE,BOOL,PTOKEN_GROUPS,DWORD,PTOKEN_GROUPS,PDWORD);
-BOOL        WINAPI AttachThreadInput(DWORD,DWORD,BOOL);
 BOOL        WINAPI AccessCheck(PSECURITY_DESCRIPTOR,HANDLE,DWORD,PGENERIC_MAPPING,PPRIVILEGE_SET,LPDWORD,LPDWORD,LPBOOL);
 BOOL        WINAPI AccessCheckAndAuditAlarmA(LPCSTR,LPVOID,LPSTR,LPSTR,PSECURITY_DESCRIPTOR,DWORD,PGENERIC_MAPPING,BOOL,LPDWORD,LPBOOL,LPBOOL);
 BOOL        WINAPI AccessCheckAndAuditAlarmW(LPCWSTR,LPVOID,LPWSTR,LPWSTR,PSECURITY_DESCRIPTOR,DWORD,PGENERIC_MAPPING,BOOL,LPDWORD,LPBOOL,LPBOOL);
diff --git a/include/winuser.h b/include/winuser.h
index 974cef84c67..941f050b37d 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -4388,6 +4388,7 @@ BOOL      WINAPI AppendMenuA(HMENU,UINT,UINT_PTR,LPCSTR);
 BOOL      WINAPI AppendMenuW(HMENU,UINT,UINT_PTR,LPCWSTR);
 #define     AppendMenu WINELIB_NAME_AW(AppendMenu)
 UINT        WINAPI ArrangeIconicWindows(HWND);
+BOOL        WINAPI AttachThreadInput(DWORD,DWORD,BOOL);
 HDWP        WINAPI BeginDeferWindowPos(INT);
 HDC         WINAPI BeginPaint(HWND,LPPAINTSTRUCT);
 BOOL        WINAPI BringWindowToTop(HWND);