diff --git a/src/video/x11/SDL_x11video.c b/src/video/x11/SDL_x11video.c
index f1d10410a7..eb3ecc3299 100644
--- a/src/video/x11/SDL_x11video.c
+++ b/src/video/x11/SDL_x11video.c
@@ -184,7 +184,6 @@ X11_CreateDevice(int devindex)
         return NULL;
     }
     device->driverdata = data;
-    device->wakeup_lock = SDL_CreateMutex();
 
     data->global_mouse_changed = SDL_TRUE;