diff --git a/inc/bootstrap-wp-gallery.php b/inc/bootstrap-wp-gallery.php
deleted file mode 100644
index ec6e9d5..0000000
--- a/inc/bootstrap-wp-gallery.php
+++ /dev/null
@@ -1,146 +0,0 @@
-<?php
-/**
- * Based on Roots Sage Gallery: https://github.com/roots/sage/blob/5b9786b8ceecfe717db55666efe5bcf0c9e1801c/lib/gallery.php
- *
- * @package understrap
- */
-
-// Remove built in shortcode.
-remove_shortcode( 'gallery', 'gallery_shortcode' );
-
-/**
- * Replaces gallery with custom shortcode.
- *
- * @param mixed $attr Shortcode parameters.
- *
- * @return mixed|string|void
- */
-function shortcode_gallery( $attr ) {
-	$post = get_post();
-	static $instance = 0;
-	$instance ++;
-	if ( ! empty( $attr['ids'] ) ) {
-		if ( empty( $attr['orderby'] ) ) {
-			$attr['orderby'] = 'post__in';
-		}
-		$attr['include'] = $attr['ids'];
-	}
-	$output = apply_filters( 'post_gallery', '', $attr );
-	if ( $output != '' ) {
-		return $output;
-	}
-	if ( isset( $attr['orderby'] ) ) {
-		$attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
-		if ( ! $attr['orderby'] ) {
-			unset( $attr['orderby'] );
-		}
-	}
-	extract( shortcode_atts( [
-		'order'      => 'ASC',
-		'orderby'    => 'menu_order ID',
-		'id'         => $post->ID,
-		'itemtag'    => '',
-		'icontag'    => '',
-		'captiontag' => '',
-		'columns'    => 3,
-		'size'       => 'thumbnail',
-		'include'    => '',
-		'exclude'    => '',
-		'link'       => '',
-	], $attr ) );
-	$id      = intval( $id );
-	$columns = ( 12 % $columns == 0 ) ? $columns : 3;
-	$grid    = sprintf( 'col-sm-%1$s col-lg-%1$s', 12 / $columns );
-	if ( $order === 'RAND' ) {
-		$orderby = 'none';
-	}
-	if ( ! empty( $include ) ) {
-		$_attachments = get_posts( [
-			'include'        => $include,
-			'post_status'    => 'inherit',
-			'post_type'      => 'attachment',
-			'post_mime_type' => 'image',
-			'order'          => $order,
-			'orderby'        => $orderby
-		] );
-		$attachments  = [];
-		foreach ( $_attachments as $key => $val ) {
-			$attachments[ $val->ID ] = $_attachments[ $key ];
-		}
-	} elseif ( ! empty( $exclude ) ) {
-		$attachments = get_children( [
-			'post_parent'    => $id,
-			'exclude'        => $exclude,
-			'post_status'    => 'inherit',
-			'post_type'      => 'attachment',
-			'post_mime_type' => 'image',
-			'order'          => $order,
-			'orderby'        => $orderby
-		] );
-	} else {
-		$attachments = get_children( [
-			'post_parent'    => $id,
-			'post_status'    => 'inherit',
-			'post_type'      => 'attachment',
-			'post_mime_type' => 'image',
-			'order'          => $order,
-			'orderby'        => $orderby
-		] );
-	}
-	if ( empty( $attachments ) ) {
-		return '';
-	}
-	if ( is_feed() ) {
-		$output = "\n";
-		foreach ( $attachments as $att_id => $attachment ) {
-			$output .= wp_get_attachment_link( $att_id, $size, true ) . "\n";
-		}
-
-		return $output;
-	}
-	$unique = ( get_query_var( 'page' ) ) ? $instance . '-p' . get_query_var( 'page' ) : $instance;
-	$output = '<div class="gallery gallery-' . $id . '-' . $unique . '">';
-	$i      = 0;
-	foreach ( $attachments as $id => $attachment ) {
-		switch ( $link ) {
-			case 'file':
-				$image = wp_get_attachment_link( $id, $size, false, false );
-				break;
-			case 'none':
-				$image = wp_get_attachment_image( $id, $size, false, [ 'class' => 'thumbnail img-thumbnail' ] );
-				break;
-			default:
-				$image = wp_get_attachment_link( $id, $size, true, false );
-				break;
-		}
-		$output .= ( $i % $columns == 0 ) ? '<div class="row gallery-row">' : '';
-		$output .= '<div class="' . $grid . '">' . $image;
-		if ( trim( $attachment->post_excerpt ) ) {
-			$output .= '<div class="caption hidden-xs-up">' . wptexturize( $attachment->post_excerpt ) . '</div>';
-		}
-		$output .= '</div>';
-		$i ++;
-		$output .= ( $i % $columns == 0 ) ? '</div>' : '';
-	}
-	$output .= ( $i % $columns != 0 ) ? '</div>' : '';
-	$output .= '</div>';
-
-	return $output;
-}
-
-add_shortcode( 'gallery', 'shortcode_gallery' );
-
-/**
- * Add class="thumbnail img-thumbnail" to attachment items
- *
- * @param string $html Markup.
- *
- * @return mixed
- */
-function attachment_link_class( $html ) {
-	$html = str_replace( '<a', '<a class="thumbnail img-thumbnail"', $html );
-
-	return $html;
-}
-
-add_filter( 'wp_get_attachment_link', 'attachment_link_class', 10, 1 );