A locking clip for retaining a fastener in a bone fixation plate is provided. An embodiment of the locking clip comprises a flexure member and a body member coupled to the flexure member, the body member comprising a locking tab, the locking tab configured to provide an axial limitation to motion of the fastener in a non-rotationally-ratcheting manner, the flexure member resiliently flexible to permit displacement of the locking tab to allow passage of a fastener head of the fastener. An embodiment comprises a bone fixation plate assembly comprising a bone fixation plate and a locking clip. An embodiment comprises a locking fastener assembly comprising a fastener and a locking ring.