diff --git a/dlls/winex11.drv/winex11.drv.spec b/dlls/winex11.drv/winex11.drv.spec
index 7cafaac180..585d130933 100644
--- a/dlls/winex11.drv/winex11.drv.spec
+++ b/dlls/winex11.drv/winex11.drv.spec
@@ -134,9 +134,6 @@
 # System tray
 @ cdecl wine_notify_icon(long ptr)
 
-# XIM
-@ cdecl ForceXIMReset(long) X11DRV_ForceXIMReset
-
 # OpenGL
 @ cdecl wglCopyContext(long long long) X11DRV_wglCopyContext
 @ cdecl wglCreateContext(ptr) X11DRV_wglCreateContext
diff --git a/dlls/winex11.drv/x11drv.h b/dlls/winex11.drv/x11drv.h
index e5a0fe0fef..80530148a0 100644
--- a/dlls/winex11.drv/x11drv.h
+++ b/dlls/winex11.drv/x11drv.h
@@ -773,11 +773,11 @@ LPDDHALMODEINFO X11DRV_Settings_SetHandlers(const char *name,
 extern void X11DRV_DDHAL_SwitchMode(DWORD dwModeIndex, LPVOID fb_addr, LPVIDMEM fb_mem);
 
 /* XIM support */
-extern BOOL X11DRV_InitXIM( const char *input_style );
-extern XIC X11DRV_CreateIC(XIM xim, struct x11drv_win_data *data);
-extern void X11DRV_SetupXIM(void);
-extern void X11DRV_XIMLookupChars( const char *str, DWORD count );
-extern void X11DRV_ForceXIMReset(HWND hwnd);
+extern BOOL X11DRV_InitXIM( const char *input_style ) DECLSPEC_HIDDEN;
+extern XIC X11DRV_CreateIC(XIM xim, struct x11drv_win_data *data) DECLSPEC_HIDDEN;
+extern void X11DRV_SetupXIM(void) DECLSPEC_HIDDEN;
+extern void X11DRV_XIMLookupChars( const char *str, DWORD count ) DECLSPEC_HIDDEN;
+extern void X11DRV_ForceXIMReset(HWND hwnd) DECLSPEC_HIDDEN;
 
 /* FIXME: private functions imported from user32 */
 extern LRESULT HOOK_CallHooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode );