Disable myCRED shortcode usage by non admins

/**
 * Disable myCRED Shortcodes
 * Disable / Remove myCRED shortcodes from wp content,
 * BuddyPress activity and messages.
 * @version 1.0
 */
add_filter( 'the_content', 'mycred_pro_disable_shortcodes' );
function mycred_pro_disable_shortcodes( $content = '' ) {

    if ( is_admin() ) return;

    global $post;

    if ( ! isset( $post->post_content ) || user_can( $post->post_author, 'edit_users' ) ) return;

    $content = str_replace( array( '[mycred', '[ mycred' ), '[not allowed', $content );

    return $content;

}

add_filter( 'bp_get_activity_content_body', 'mycred_pro_disable_shortcodes_bp' );
function mycred_pro_disable_shortcodes_bp( $content, $activity ) {

    if ( ! isset( $activity->user_id ) || user_can( $activity->user_id, 'edit_users' ) ) return;

    $content = str_replace( array( '[mycred', '[ mycred' ), '[not allowed', $content );

    return $content;

}

add_action( 'messages_message_before_save', 'mycred_pro_disable_shortcodes_bp_message' );
function mycred_pro_disable_shortcodes_bp_message( $message ) {

    if ( ! isset( $message->sender_id ) || user_can( $message->sender_id, 'edit_users' ) ) return;

    $message->message = str_replace( array( '[mycred', '[ mycred' ), '[not allowed', $message->message );

}