-(defmethod tree-model-ref-node-impl ((model array-list-store) iter))
-(defmethod tree-model-unref-node-impl ((model array-list-store) iter))
+(defmethod tree-model-ref-node-impl ((model array-list-store) iter)
+ (declare (ignorable model iter)))
+(defmethod tree-model-unref-node-impl ((model array-list-store) iter)
+ (declare (ignorable model iter)))