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    Type:Bug 
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    Resolution: Fixed
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    Priority:Normal 
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    Affects Version/s: 5.1.1
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    Component/s: None
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    None
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        None
Steps to Reproduce
1. import attached file
2. open the filter the column BB, uncheck B, OK
Current Result
an extra border in column G appears.
  
 
Expected Result
except for the filtering range, no extra border (line)
Debug Information
- the border doesn't disappear even I clear the filter.
- no matter I filter with any column, the extra border (line) appears.
