text: 
  drop procedure sp_upgraddiagrams
  drop procedure sp_helpdiagrams
  drop procedure sp_helpdiagramdefinition
  drop procedure sp_creatediagram
  drop procedure sp_renamediagram
  drop procedure sp_alterdiagram
  drop procedure sp_dropdiagram
  drop function fn_diagramobjects
  drop table dbo.sysdiagrams
  
  
  