1 files changed, 6 insertions, 0 deletions
diff --git a/lib/main.js b/lib/main.js
index 09cd0ae..1de348f 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -75,6 +75,9 @@ function tweakBugzilla(d) {
         onClick: function() style.disabled = !style.disabled
     });
     contextMenu.add(ccMenuItem);
+    d.defaultView.addEventListener("unload", function() {
+        contextMenu.remove(ccMenuItem);
+    }, false);
 
     var userNameCache = {};
     function getUserName(email) {
@@ -155,6 +158,9 @@ function tweakBugzilla(d) {
                 onClick: function() require("clipboard").set(message)
             });
             contextMenu.add(copyCheckinCommentItem);
+            d.defaultView.addEventListener("unload", function() {
+                contextMenu.remove(copyCheckinCommentItem);
+            }, false);
         }
     }