Error When Deleting a Method Inside a Class

I developed a custom class that contained a private method. I removed this method because it was no longer needed. When moving the changes from the development to test client, it failed on import. For some reason, there was still some dependency on the method that was deleted.
I went back to transaction SE24 and regenerated all the sections. When this was done, it regenerated the class definition and the various sections. I moved a transport that contained these changes and it still failed. The import log has a reference to an include that is failing, but I still see no mention of the method that was deleted.
To continue going forward, I added the method back so that it resolved syntax error during import.
I am suspecting that there is some issue with ABAP support pack being used on the development system. Have other people experienced the same issue. I don't have the habit of deleting that many methods once it is created, but would like to understand the above problem and see what should be the corrective action.
Feedback/comments would be appreciated.
Regards,
Vince Castello

As mentioned in my original post, I did re-generate all the sections using SE24, but the import still failed where the dependency to deleted method still remained.
I am planning to create a customer message and will post results when they become available.
Regards,
Vince Castello

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