To delete a Project Site Template in Project Server 2010, follow the steps below:

  1. In PWA, click on Site Actions> Site Settings
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  3. Under Galleries, click Solutions
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  5. Before you can delete a Project Site Template in Project Server 2010, you must first Deactivate it. To do this, click the little down arrow all the way to the right of the Project Site Template name and then click Deactivate
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  7. In the dialog box that opens, click the Deactivate button and then click Close
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  9. Click the down arrow to the right of the Project Site Template name again and then click Delete
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