@ -331,7 +331,7 @@ vAPI.tabs.registerListeners = function() {
for (var win of vAPI.tabs.getWindows()) {
vAPI.toolbarButton.remove(win.document);
win.removeEventListener('load', windowWatcher.onReady);
win.removeEventListener('DOMContentLoaded', windowWatcher.onReady);
win.gBrowser.removeTabsProgressListener(tabsProgressListener);
var tC = win.gBrowser.tabContainer;