Deleting a feature
Delete features when they are unused or no longer relevant.
      Ensure that your feature does not have any of the following characteristics:
      
    - 
          Inherited from a built-on application 
- 
          Defined in a previous version of your application 
- 
          Associated with open work items 
- 
          Contains subfeatures that are defined in your current application 
- In the header of Dev Studio, click the name of your current application, and then click Overview.
- In the Features section, click the Switch to tree view icon.
- Expand the list of features and subfeatures to find the feature to delete.
- Click the Delete icon.