diff --git a/backends/ui/gtk/main_window.cpp b/backends/ui/gtk/main_window.cpp
index 05956e2..32064a0 100644
--- a/backends/ui/gtk/main_window.cpp
+++ b/backends/ui/gtk/main_window.cpp
@@ -42,9 +42,7 @@ void MainWindow::update_file(optional<std::string> new_file) {
     }
     int i = 0;
     for (auto row : stream_selection_box.get_children()) {
-        int *data = (int*)row->get_data(Glib::Quark("id"));
         row->remove_data(Glib::Quark("id"));
-        delete data;
     }
     stream_selection_box.remove_all();
     for (auto &stream : playback->get_streams()) {