You can see your personalized signature when you go in, and then click your personalized signature. Inside. Select the personalized signature you want to delete, draw a pop-up window on the right, and click Delete to delete it.

Computer: First log in to QQ on the computer, then click the Penguin icon in the lower right corner of the QQ panel, select Help in turn, and then click to enter my QQ Center.

Second, after entering my QQ ZTE, we will switch to the "Dynamic" option, and then click to switch to "My Dynamic".

Third, finally, we can see here that we have published the history of QQ personalized signature before. When we put the mouse on it, an "X" button will be displayed in the upper right corner. Click it to delete the dynamic, as shown in the figure below.