Enter the Shift-click-R cheat code, then click on the White Void to access the Workspace. Then, type the following:

World allMorphsDo: [:morph | (morph externalName includesSubString: 'nut') ifTrue: [morph delete]]

Finally, press [Alt]+[D] to do it.

—gilbert_given_TBG. 2023. “How to destroy a nut.” Entry number 112. TBG Forums, tID. 5699, msg. 122, p. 5.