public function admin_head() {

		if ( self::get_current_post_type() !== $this->cpt->post_type ) {
			return;
		}

		?>
		<?php if ( isset( $this->args['admin_filters']['m'] ) && ! $this->args['admin_filters']['m'] ) { ?>
			<style type="text/css">
				#posts-filter select[name="m"] {
					display: none;
				}
			</style>
		<?php } ?>
		<?php

	}