Click on your personal signature in my QQ file card to view the historical signature, and select any personal signature by the gesture of "swipe left"-click (delete).

1. Click your personalized signature in my QQ menu, click (History) in the upper right corner of the edit signature, select any personalized signature among the historical signatures, and click-(Delete) with the gesture of "swipe left".

2. Click on your personal signature in my QQ file card to view the historical signature. Select any personal signature and click (delete) with the gesture of "swipe left".