Abstract: Apparatus for removing mortar from opposite flat faces of a used brick including means supporting the brick on one of its flat faces for forward movement along a path, means adapted to advance the brick forwardly including means adapted to engage the brick during such forward movement and guide means for the brick-engaging means, first grinding means disposed in position for the passage of the brick thereover during its forward movement and adapted to grind mortar from the bottom face of the brick as the brick is moved past the grinding means, means overlying the path of the brick adjacent the first grinding means and biased toward engagement with the brick to urge it toward the first grinding means, second grinding means disposed above the path of forward movement of the brick and adapted to grind mortar from the top face of the brick as it moves past the grinding means, and means mounting the second grinding means for generally vertical movement with respect to the path of the brick.