[Plugin: Similar Posts] No Related Posts and also related posts

I upgraded both post-plugin, and also similar posts plugin

Strange is that I see both “No Related Posts”, and it also list “Similar posts”, both printed.
Have I missed any thing ?

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Related posts

* No related posts.
———————————–
* Travel from Boston to Bangalore
* 1947 -> 2007
* science identifies risks…
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After disabling the plugin, output looks like this

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Related posts

* No related posts.
+++++++++++++++++++++++++++

Where is this part of the output being generated from ??
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