Cannot Remove SharePoint Foundation help!!

hi all i am unable to remove SP foundation Search because it has locked a managed account that i want to remove.

my problem is same as this forum link  

https://social.technet.microsoft.com/Forums/sharepoint/en-US/f743c501-fc8a-4ddf-970f-df79012c4ccd/how-can-i-remove-sharepoint-foundation-search-using-stadm?forum=sharepointadminprevious

i get same error that SPSearch4 could not be deleted because it has dependencies : Searchdataaccessserviceinstance

pleas help.