Organize parts and assemblies > Delete a part, assembly, or container
  
Delete a part, assembly, or container
1. Click Structure and then, in the Utility group, click Delete 3D .
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The Utility group is available on other tabs such as Modeling, Feature, 3D Geometry, and Analysis.
2. Select a part or assembly:
Click on a part in the viewport or
Double-click on a part or assembly in the Structure Browser.
3. Click to complete the operation.