How to delete custom variable of google analytics

Question

For testing purpose, mistakenly I created unwanted custom variable. Now I want to delete those variable. Is there any way to delete those variable?

I had created those variables using the following script

<script type="text/javascript">
   pageTracker._setCustomVar(1,"Author","Xyz abc",3);
   pageTracker._setCustomVar(1,"author","Nimbus",3);
</script>

I want to delete both the variables. Thanks in advance.

Solution

Try This

 _gaq.push(['_deleteCustomVar', 1]);

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