The abstract noun "removal" can be translated with the verb "remove." This can be stated in active form. Alternate translation: "mean that God will remove the things that he can shake, that is, the things" (See: [[rc://en/ta/man/translate/figs-abstractnouns]] and [[rc://en/ta/man/translate/figs-activepassive]])
Use the word for what an earthquake does in moving the ground. This refers back to [Hebrews 12:18-21](./18.md) and what happened when the people saw the mountain where Moses received the law from God. See how you translated "shook" and "shake" in [Hebrews 12:26](./26.md).
This can be stated in active form. Alternate translation: "the things that do not shake" or "the things that cannot shake" (See: [[rc://en/ta/man/translate/figs-activepassive]])