--- a/ui/server/toolkit.c	Sun Dec 07 10:51:47 2025 +0100
+++ b/ui/server/toolkit.c	Sun Dec 07 11:05:22 2025 +0100
@@ -35,6 +35,7 @@
 
 #include "../common/message.h"
 #include "../common/threadpool.h"
+#include "../common/app.h"
 
 static const char *ui_app_name;
 
@@ -55,11 +56,6 @@
     return ui_app_name;
 }
 
-void ui_onstartup(ui_callback f, void *userdata) {
-    onstartup = f;
-    onstartupdata = userdata;
-}
-
 void ui_add_styledata(const char *styledata, int len) {
     // NOOP
 }