diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 1dcf9acda3b..18c998d7cbc 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -3158,9 +3158,6 @@ void Viewport::_update_mouse_over(Vector2 p_pos) {
 							gui.subwindow_over->_mouse_leave_viewport();
 						}
 						gui.subwindow_over = sw;
-						if (!sw->is_input_disabled()) {
-							sw->_propagate_window_notification(sw, NOTIFICATION_WM_MOUSE_ENTER);
-						}
 					}
 					if (!sw->is_input_disabled()) {
 						sw->_update_mouse_over(sw->get_final_transform().affine_inverse().xform(p_pos - sw->get_position()));
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 03db0d40230..2904e3e1561 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -352,7 +352,7 @@ private:
 
 	struct GUI {
 		bool forced_mouse_focus = false; //used for menu buttons
-		bool mouse_in_viewport = true;
+		bool mouse_in_viewport = false;
 		bool key_event_accepted = false;
 		HashMap<int, ObjectID> touch_focus;
 		Control *mouse_focus = nullptr;