Reply To: Date selector for month and day

I am using a Code snippet. Could this be the issue?
function cn_add_date_types( $options ) {

$options['business_established'] = __( 'Business Established' , 'connections' );
$options['member_since'] = __( 'Member Since' , 'connections' );
unset( $options['anniversary'] );
unset( $options['baptism'] );
unset( $options['birthday'] );
unset( $options['deceased'] );
unset( $options['certification'] );
unset( $options['employment'] );
unset( $options['membership'] );
unset( $options['graduate_high_school'] );
unset( $options['graduate_college'] );
unset( $options['ordination'] );

return $options;
}

add_filter( ‘cn_date_options’, ‘cn_add_date_types’ );