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				                                 Frank Xu                				 
                					 
                     
                
                
                
                                 
                 
                
                
                                 
                                        Posts: 2 
                                                        Joined: 2017-02-02 
                                                
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                Dear support, 
 
 I just create a empty ADX COM Add-in with the default settings, in the project, I notice following DLL is alreadly referenced but no use at all.
 
 System.Data
 System.Drawing
 System.Windows.Forms
 System.Xml
 
 Can I safely removed these references in my project? Please give me your advice when it is convenient for you, thanks for your support.
 
 
 Frank                 |   
                 
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				                                 Andrei Smolin                				 
                					 					 
                
                
                
                 Add-in Express team                 
                 
                
                
                                 
                                        Posts: 19178 
                                                        Joined: 2006-05-11 
                                                
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                Hello Frank,
 
 This is you who decides whether any given namespace is required or not. If a namespace isn't required, you can delete it. 
 
 I would suggest that you rebuild the project right after deleting such a namespace. You'll get a compile-time error if the namespace just deleted is used in your code. In this case, you can undo the deletion.
 
 
 Andrei Smolin
 Add-in Express Team Leader                 |   
                 
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