diff -r 3da24640513a -r e57ca2747782 ui/qt/window.cpp
--- a/ui/qt/window.cpp	Sun Dec 07 20:00:33 2025 +0100
+++ b/ui/qt/window.cpp	Sat Dec 13 15:58:58 2025 +0100
@@ -41,9 +41,8 @@
 #include <QDockWidget>
 #include <QMessageBox>
 
-static UiObject* create_window(const char *title, void *window_data, bool simple, bool sidebar = false) {
+static UiObject* create_window(const char *title, bool simple, bool sidebar = false) {
     UiObject *obj = uic_object_new_toplevel();
-    obj->window = window_data;
     obj->next = NULL;
     
     QMainWindow *window = new QMainWindow();
@@ -73,16 +72,16 @@
     return obj;
 }
 
-UiObject* ui_window(const char *title, void *window_data) {
-    return create_window(title, window_data, false);
+UiObject* ui_window(const char *title) {
+    return create_window(title, false);
 }
 
-UiObject* ui_simplewindow(char *title, void *window_data) {
-    return create_window(title, window_data, true);
+UiObject* ui_simple_window(const char *title) {
+    return create_window(title, true);
 }
 
-UiObject *ui_sidebar_window(const char *title, void *window_data) {
-    return create_window(title, window_data, false, true);
+UiObject* ui_sidebar_window(const char *title) {
+    return create_window(title, false, true);
 }
 
 void ui_dialog_create(UiObject *parent, UiDialogArgs *args) {