No part of CAD or text images or data is sponsored or affiliated with any real estate organization or product product or goods. After using a variation of Tharwat second published removal feature If you use the attribute definitions from your block definition you can use this below to collect all references to the block by name. I have counted drawings from 8 MB to 1 or 2 MB before exporting our drawings to external design companies. It opens and saves much faster. If you have a drawing with a large number of blocks such as: For example if you use the bathtubs in a 1000-room hotel use a simplified block diagram during the design process and redefine it to a more complicated definition just before the final plot time. I googled a bit and found out that the LAYDEL command could solve my problem but how I use Autocad 2013 is not possible because it does not have this command.Here what you do: Change the properties of objects to a team you always have as if they are at one of your unpurgeable levels If the plane has no objects you can choose the name of the option. Select to delete level from the list over levels.You can change many of the properties that you can change the block attribute manager but do not change the order of the messages or what the definition update. Autodesk makes no representations expressed or implied the accuracy reliability or completeness of translated by machine translation service information and is not responsible for any damage or loss that allowed me to trust in bersetzungsdienst.Es to remove all attributes except one.Point I want to clear the blocks of the day in the drawing team without having to go to each other and a new Bloc and remove it old.