To remove a User Defined Attribute from the 
               		Attributes tab on Requirements and from the 
               		Requirement grid column: 
               	 
            
 
            	 
            
               -  
                  		  Log in with Server Administrator credentials. 
                  		   
                  		
               
-  
                  		  Choose a Project from the 
                  			 Projects list 
                  			  . .
-  
                  		   Click 
                  			 Administration. 
                  		   
                  		
               
-  
                  		  Click the 
                  			 Define UDAs tab. 
                  		   
                  		
               
-  
                  		  Select the UDA to disable. 
                  		   
                  		
               
-  
                  		  Uncheck 
                  			 Enable. 
                  		   
                  		   The UDA is hidden from all UDA areas of 
                  			 Atlas.