Next time you need to do this, you might want to consider to place an END command at the very beginning of the 3D Script.
The END command simply finishes the execution of the script.
This way you will still have your 3D Scrip in case you need it in the future.
Another option is to select everything in the 3D Script and comment them all out.
Of course, if you are certain you will never need the 3D in the future, deletion is the best answer.
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