diff --git a/common/content/options.js b/common/content/options.js
index a1844a5f..3ff2e499 100644
--- a/common/content/options.js
+++ b/common/content/options.js
@@ -685,7 +685,6 @@ function Options() //{{{
             completer: function (context, args, modifiers)
             {
                 let filter = context.filter;
-                var optionCompletions = [];
 
                 if (args.bang) // list completions for about:config entries
                 {