Removing old and invalid comments on talk page Hello DMacks I m working on the Inverted Repeat article as part of a Molecular Biology course at JHU I removed an old out of date 2 years old and misleading talk page comment and I noticed that you preformed an undo Is there a problem with removing old talk comments that cause issues because 1 the person didn t sign their post so there is no way to resolve with them and 2 the issue raised is invalid the person didn t understand the concept and 3 the issue was raised more than 2 years ago Thanks