[header] How to remove wall anchors [title] Unscrew the threaded screw. [step] Some anchors have threaded screws that need to be removed before you can reach the collar. In these cases, use a screwdriver to turn the screw counterclockwise until it is loose, and then remove it. 
[substeps] If the screw has a cross slot on top, remove it with a phillips-head screwdriver. This is the most common type of screw used in drywall anchors.