How to delete default Measure Groups in the SSAS CUBE?

I have created a CUBE. By default CUBE created few Measure Groups.

When I go to Aggregations, I can see the default Measure Groups. I want to delete them all and want to create as per the requirement.

Attached is the screenshot,
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SThayaTechnical MAnagerCommented:
Hi ,

try the below step
-->go to Cube Structure tab
--> right click on the Measure Group the one you want to delete
---> click Delete

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chokkaStudentAuthor Commented:
I did , this is impacting my cube
SThayaTechnical MAnagerCommented:
can you please provide the screenshot for the error
chokkaStudentAuthor Commented:
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Microsoft SQL Server 2008

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