Delete an existing personalization key  from the Personalization Keys  folder.
To determine the  mobile business objects, attributes, and operations referenced by the personalization key you are deleting, right-click the personalization key and select  (where option is the reference type of interest). 
- Navigate to the personalization key  you want to delete, by expanding the Mobile Application  folder then the Personalization Keys  folder.
 
- Right-click the personalization key  and select Delete.
 A confirmation dialog appears with a list of all mobile business objects, attributes, and operations referenced by the personalization key.  
 
- Click Ok to delete the personalization key.
 
            All MBO and operation assignments are removed  and the personalization key  is deleted from the Personalization Keys  folder.