FreePDF: The functions for Signatures are not included in FreePDF.
To delete a signature that was previously inserted into a PDF document, proceed as follows:
| 1. | Select the Object tool  in the Quick access toolbar. |
| 2. | Click on the signature that you want to delete. |
| 3. | Press the Backspace key or the Del key on your keyboard. Alternatively, you can also right-click on the signature and select Delete Selection in the context menu. |
Note
▪The process described above merely removes the signature object that was inserted into the PDF.
To remove entries from the menu of the Signature icon, choose the ribbon command Insert | group Annotations | Signature  | Delete. If you do so, the source file underlying the signature will not be deleted from your computer. |