There are a few ways to delete blocks in Autocad. The easiest way is to use the Block button on the toolbar. The other ways are as follows:

  1. On the ribbon, click on the Block button and select Delete from the drop-down list.
  2. Type block_name in the text box and press Delete.
  3. Click on the Block button again and select Edit from the drop-down list to change or add properties to a block.