A wear member retaining assembly for retaining a wear member to a structure including, a retainer and a key. The retainer has an aperture with at least one channel. The key has a first end engageable with the retainer. The first end has at least one protrusion that is receivable by the at least one channel. The key includes a key shank and a key head. The key head is attachable to the key shank. The wear member retaining assembly has an unlocked position where the key is removable from the retainer and a locked position where the first end of the key is engaged with the retainer. The first end of the key is movable relative to the retainer from the unlocked position to the locked position. When the wear member retaining assembly is inthe locked position the key head is attached to the key shank and the key head abuts a portion of the wear member.