I am saying that if you use a disk encryption technology that puts the encrypted data in unallocated sectors (which is a plausibly deniable method), if you run

I am saying that if you use a disk encryption technology that puts the encrypted data in unallocated sectors (which is a plausibly deniable method), if you run (or your OS automatically runs) trim on the media, all of the data in the unallocated space will be lost.