diff --git a/wp-includes/blocks/latest-comments.php.mine b/wp-includes/blocks/latest-comments.php.mine
deleted file mode 100644
index 29e17e9de5..0000000000
--- a/wp-includes/blocks/latest-comments.php.mine
+++ /dev/null
@@ -1,184 +0,0 @@
-<?php
-/**
- * Server-side rendering of the `core/latest-comments` block.
- *
- * @package WordPress
- */
-
-if ( ! function_exists( 'gutenberg_draft_or_post_title' ) ) {
-	/**
-	 * Get the post title.
-	 *
-	 * The post title is fetched and if it is blank then a default string is
-	 * returned.
-	 *
-	 * Copied from `wp-admin/includes/template.php`, but we can't include that
-	 * file because:
-	 *
-	 * 1. It causes bugs with test fixture generation and strange Docker 255 error
-	 *    codes.
-	 * 2. It's in the admin; ideally we *shouldn't* be including files from the
-	 *    admin for a block's output. It's a very small/simple function as well,
-	 *    so duplicating it isn't too terrible.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
-	 * @return string The post title if set; "(no title)" if no title is set.
-	 */
-	function gutenberg_draft_or_post_title( $post = 0 ) {
-		$title = get_the_title( $post );
-		if ( empty( $title ) ) {
-			$title = __( '(no title)' );
-		}
-		return esc_html( $title );
-	}
-}
-
-/**
- * Renders the `core/latest-comments` block on server.
- *
- * @param array $attributes The block attributes.
- *
- * @return string Returns the post content with latest comments added.
- */
-function gutenberg_render_block_core_latest_comments( $attributes = array() ) {
-	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
-	$comments = get_comments(
-		apply_filters(
-			'widget_comments_args',
-			array(
-				'number'      => $attributes['commentsToShow'],
-				'status'      => 'approve',
-				'post_status' => 'publish',
-			)
-		)
-	);
-
-	$list_items_markup = '';
-	if ( ! empty( $comments ) ) {
-		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
-		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
-		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
-
-		foreach ( $comments as $comment ) {
-			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
-			if ( $attributes['displayAvatar'] ) {
-				$avatar = get_avatar(
-					$comment,
-					48,
-					'',
-					'',
-					array(
-						'class' => 'wp-block-latest-comments__comment-avatar',
-					)
-				);
-				if ( $avatar ) {
-					$list_items_markup .= $avatar;
-				}
-			}
-
-			$list_items_markup .= '<article>';
-			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
-			$author_url         = get_comment_author_url( $comment );
-			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
-				$author_url = get_author_posts_url( $comment->user_id );
-			}
-
-			$author_markup = '';
-			if ( $author_url ) {
-				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
-			} else {
-				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
-			}
-
-			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
-			// `esc_html`.
-			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . gutenberg_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
-
-			$list_items_markup .= sprintf(
-				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
-				__( '%1$s on %2$s' ),
-				$author_markup,
-				$post_title
-			);
-
-			if ( $attributes['displayDate'] ) {
-				$list_items_markup .= sprintf(
-					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
-					esc_attr( get_comment_date( 'c', $comment ) ),
-					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
-				);
-			}
-			$list_items_markup .= '</footer>';
-			if ( $attributes['displayExcerpt'] ) {
-				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
-			}
-			$list_items_markup .= '</article></li>';
-		}
-	}
-
-	$class = 'wp-block-latest-comments';
-	if ( isset( $attributes['align'] ) ) {
-		$class .= " align{$attributes['align']}";
-	}
-	if ( $attributes['displayAvatar'] ) {
-		$class .= ' has-avatars';
-	}
-	if ( $attributes['displayDate'] ) {
-		$class .= ' has-dates';
-	}
-	if ( $attributes['displayExcerpt'] ) {
-		$class .= ' has-excerpts';
-	}
-	if ( empty( $comments ) ) {
-		$class .= ' no-comments';
-	}
-	$classnames = esc_attr( $class );
-
-	$block_content = ! empty( $comments ) ? sprintf(
-		'<ol class="%1$s">%2$s</ol>',
-		$classnames,
-		$list_items_markup
-	) : sprintf(
-		'<div class="%1$s">%2$s</div>',
-		$classnames,
-		__( 'No comments to show.' )
-	);
-
-	return $block_content;
-}
-
-register_block_type(
-	'core/latest-comments',
-	array(
-		'attributes'      => array(
-			'className'      => array(
-				'type' => 'string',
-			),
-			'commentsToShow' => array(
-				'type'    => 'number',
-				'default' => 5,
-				'minimum' => 1,
-				'maximum' => 100,
-			),
-			'displayAvatar'  => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayDate'    => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayExcerpt' => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'align'          => array(
-				'type' => 'string',
-				'enum' => array( 'center', 'left', 'right', 'wide', 'full', '' ),
-			),
-		),
-		'render_callback' => 'gutenberg_render_block_core_latest_comments',
-	)
-);
diff --git a/wp-includes/blocks/latest-comments.php.r44105 b/wp-includes/blocks/latest-comments.php.r44105
deleted file mode 100644
index 557e3dce13..0000000000
--- a/wp-includes/blocks/latest-comments.php.r44105
+++ /dev/null
@@ -1,184 +0,0 @@
-<?php
-/**
- * Server-side rendering of the `core/latest-comments` block.
- *
- * @package WordPress
- */
-
-if ( ! function_exists( 'wp_latest_comments_draft_or_post_title' ) ) {
-	/**
-	 * Get the post title.
-	 *
-	 * The post title is fetched and if it is blank then a default string is
-	 * returned.
-	 *
-	 * Copied from `wp-admin/includes/template.php`, but we can't include that
-	 * file because:
-	 *
-	 * 1. It causes bugs with test fixture generation and strange Docker 255 error
-	 *    codes.
-	 * 2. It's in the admin; ideally we *shouldn't* be including files from the
-	 *    admin for a block's output. It's a very small/simple function as well,
-	 *    so duplicating it isn't too terrible.
-	 *
-	 * @since 3.3.0
-	 *
-	 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
-	 * @return string The post title if set; "(no title)" if no title is set.
-	 */
-	function wp_latest_comments_draft_or_post_title( $post = 0 ) {
-		$title = get_the_title( $post );
-		if ( empty( $title ) ) {
-			$title = __( '(no title)' );
-		}
-		return esc_html( $title );
-	}
-}
-
-/**
- * Renders the `core/latest-comments` block on server.
- *
- * @param array $attributes The block attributes.
- *
- * @return string Returns the post content with latest comments added.
- */
-function render_block_core_latest_comments( $attributes = array() ) {
-	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
-	$comments = get_comments(
-		apply_filters(
-			'widget_comments_args',
-			array(
-				'number'      => $attributes['commentsToShow'],
-				'status'      => 'approve',
-				'post_status' => 'publish',
-			)
-		)
-	);
-
-	$list_items_markup = '';
-	if ( ! empty( $comments ) ) {
-		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
-		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
-		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
-
-		foreach ( $comments as $comment ) {
-			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
-			if ( $attributes['displayAvatar'] ) {
-				$avatar = get_avatar(
-					$comment,
-					48,
-					'',
-					'',
-					array(
-						'class' => 'wp-block-latest-comments__comment-avatar',
-					)
-				);
-				if ( $avatar ) {
-					$list_items_markup .= $avatar;
-				}
-			}
-
-			$list_items_markup .= '<article>';
-			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
-			$author_url         = get_comment_author_url( $comment );
-			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
-				$author_url = get_author_posts_url( $comment->user_id );
-			}
-
-			$author_markup = '';
-			if ( $author_url ) {
-				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
-			} else {
-				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
-			}
-
-			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
-			// `esc_html`.
-			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
-
-			$list_items_markup .= sprintf(
-				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
-				__( '%1$s on %2$s' ),
-				$author_markup,
-				$post_title
-			);
-
-			if ( $attributes['displayDate'] ) {
-				$list_items_markup .= sprintf(
-					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
-					esc_attr( get_comment_date( 'c', $comment ) ),
-					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
-				);
-			}
-			$list_items_markup .= '</footer>';
-			if ( $attributes['displayExcerpt'] ) {
-				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
-			}
-			$list_items_markup .= '</article></li>';
-		}
-	}
-
-	$class = 'wp-block-latest-comments';
-	if ( isset( $attributes['align'] ) ) {
-		$class .= " align{$attributes['align']}";
-	}
-	if ( $attributes['displayAvatar'] ) {
-		$class .= ' has-avatars';
-	}
-	if ( $attributes['displayDate'] ) {
-		$class .= ' has-dates';
-	}
-	if ( $attributes['displayExcerpt'] ) {
-		$class .= ' has-excerpts';
-	}
-	if ( empty( $comments ) ) {
-		$class .= ' no-comments';
-	}
-	$classnames = esc_attr( $class );
-
-	$block_content = ! empty( $comments ) ? sprintf(
-		'<ol class="%1$s">%2$s</ol>',
-		$classnames,
-		$list_items_markup
-	) : sprintf(
-		'<div class="%1$s">%2$s</div>',
-		$classnames,
-		__( 'No comments to show.' )
-	);
-
-	return $block_content;
-}
-
-register_block_type(
-	'core/latest-comments',
-	array(
-		'attributes'      => array(
-			'className'      => array(
-				'type' => 'string',
-			),
-			'commentsToShow' => array(
-				'type'    => 'number',
-				'default' => 5,
-				'minimum' => 1,
-				'maximum' => 100,
-			),
-			'displayAvatar'  => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayDate'    => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayExcerpt' => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'align'          => array(
-				'type' => 'string',
-				'enum' => array( 'center', 'left', 'right', 'wide', 'full', '' ),
-			),
-		),
-		'render_callback' => 'render_block_core_latest_comments',
-	)
-);
diff --git a/wp-includes/blocks/latest-comments.php.r44183 b/wp-includes/blocks/latest-comments.php.r44183
deleted file mode 100644
index fcc17c3cd6..0000000000
--- a/wp-includes/blocks/latest-comments.php.r44183
+++ /dev/null
@@ -1,182 +0,0 @@
-<?php
-/**
- * Server-side rendering of the `core/latest-comments` block.
- *
- * @package WordPress
- */
-
-/**
- * Get the post title.
- *
- * The post title is fetched and if it is blank then a default string is
- * returned.
- *
- * Copied from `wp-admin/includes/template.php`, but we can't include that
- * file because:
- *
- * 1. It causes bugs with test fixture generation and strange Docker 255 error
- *    codes.
- * 2. It's in the admin; ideally we *shouldn't* be including files from the
- *    admin for a block's output. It's a very small/simple function as well,
- *    so duplicating it isn't too terrible.
- *
- * @since 3.3.0
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @return string The post title if set; "(no title)" if no title is set.
- */
-function wp_latest_comments_draft_or_post_title( $post = 0 ) {
-	$title = get_the_title( $post );
-	if ( empty( $title ) ) {
-		$title = __( '(no title)' );
-	}
-	return esc_html( $title );
-}
-
-/**
- * Renders the `core/latest-comments` block on server.
- *
- * @param array $attributes The block attributes.
- *
- * @return string Returns the post content with latest comments added.
- */
-function render_block_core_latest_comments( $attributes = array() ) {
-	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
-	$comments = get_comments(
-		apply_filters(
-			'widget_comments_args',
-			array(
-				'number'      => $attributes['commentsToShow'],
-				'status'      => 'approve',
-				'post_status' => 'publish',
-			)
-		)
-	);
-
-	$list_items_markup = '';
-	if ( ! empty( $comments ) ) {
-		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
-		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
-		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
-
-		foreach ( $comments as $comment ) {
-			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
-			if ( $attributes['displayAvatar'] ) {
-				$avatar = get_avatar(
-					$comment,
-					48,
-					'',
-					'',
-					array(
-						'class' => 'wp-block-latest-comments__comment-avatar',
-					)
-				);
-				if ( $avatar ) {
-					$list_items_markup .= $avatar;
-				}
-			}
-
-			$list_items_markup .= '<article>';
-			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
-			$author_url         = get_comment_author_url( $comment );
-			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
-				$author_url = get_author_posts_url( $comment->user_id );
-			}
-
-			$author_markup = '';
-			if ( $author_url ) {
-				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
-			} else {
-				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
-			}
-
-			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
-			// `esc_html`.
-			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
-
-			$list_items_markup .= sprintf(
-				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
-				__( '%1$s on %2$s' ),
-				$author_markup,
-				$post_title
-			);
-
-			if ( $attributes['displayDate'] ) {
-				$list_items_markup .= sprintf(
-					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
-					esc_attr( get_comment_date( 'c', $comment ) ),
-					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
-				);
-			}
-			$list_items_markup .= '</footer>';
-			if ( $attributes['displayExcerpt'] ) {
-				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
-			}
-			$list_items_markup .= '</article></li>';
-		}
-	}
-
-	$class = 'wp-block-latest-comments';
-	if ( isset( $attributes['align'] ) ) {
-		$class .= " align{$attributes['align']}";
-	}
-	if ( $attributes['displayAvatar'] ) {
-		$class .= ' has-avatars';
-	}
-	if ( $attributes['displayDate'] ) {
-		$class .= ' has-dates';
-	}
-	if ( $attributes['displayExcerpt'] ) {
-		$class .= ' has-excerpts';
-	}
-	if ( empty( $comments ) ) {
-		$class .= ' no-comments';
-	}
-	$classnames = esc_attr( $class );
-
-	$block_content = ! empty( $comments ) ? sprintf(
-		'<ol class="%1$s">%2$s</ol>',
-		$classnames,
-		$list_items_markup
-	) : sprintf(
-		'<div class="%1$s">%2$s</div>',
-		$classnames,
-		__( 'No comments to show.' )
-	);
-
-	return $block_content;
-}
-
-register_block_type(
-	'core/latest-comments',
-	array(
-		'attributes'      => array(
-			'className'      => array(
-				'type' => 'string',
-			),
-			'commentsToShow' => array(
-				'type'    => 'number',
-				'default' => 5,
-				'minimum' => 1,
-				'maximum' => 100,
-			),
-			'displayAvatar'  => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayDate'    => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'displayExcerpt' => array(
-				'type'    => 'boolean',
-				'default' => true,
-			),
-			'align'          => array(
-				'type' => 'string',
-				'enum' => array( 'center', 'left', 'right', 'wide', 'full', '' ),
-			),
-		),
-		'render_callback' => 'render_block_core_latest_comments',
-	)
-);
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 6db018c12a..fb73ecd836 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -1763,26 +1763,6 @@ function wp_default_styles( &$styles ) {
 	$styles->add( 'colors-fresh', false, array( 'wp-admin', 'buttons' ) ); // Old handle.
 	$styles->add( 'open-sans', $open_sans_font_url ); // No longer used in core as of 4.6
 
-	// RTL CSS
-	$rtl_styles = array(
-		// wp-admin
-		'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus',
-		'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview',
-		'ie', 'login',
-		// wp-includes
-		'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
-		'wp-jquery-ui-dialog',
-		// deprecated
-		'deprecated-media', 'farbtastic',
-	);
-
-	foreach ( $rtl_styles as $rtl_style ) {
-		$styles->add_data( $rtl_style, 'rtl', 'replace' );
-		if ( $suffix ) {
-			$styles->add_data( $rtl_style, 'suffix', $suffix );
-		}
-	}
-
 	// Packages styles
 	$fonts_url = '';
 
@@ -1798,7 +1778,6 @@ function wp_default_styles( &$styles ) {
 	$styles->add( 'wp-editor-font', $fonts_url );
 
 	$styles->add( 'wp-block-library-theme', "/wp-includes/css/dist/block-library/theme$suffix.css" );
-	$styles->add_data( 'wp-block-library-theme', 'rtl', 'replace' );
 
 	$styles->add(
 		'wp-edit-blocks',
@@ -1811,7 +1790,6 @@ function wp_default_styles( &$styles ) {
 			'wp-block-library-theme',
 		)
 	);
-	$styles->add_data( 'wp-edit-blocks', 'rtl', 'replace' );
 
 	$package_styles = array(
 		'block-library' => array(),
@@ -1825,10 +1803,32 @@ function wp_default_styles( &$styles ) {
 
 	foreach ( $package_styles as $package => $dependencies ) {
 		$handle  = 'wp-' . $package;
-		$path     = "/wp-includes/css/dist/$package/style$suffix.css";
+		$path    = "/wp-includes/css/dist/$package/style$suffix.css";
 
 		$styles->add( $handle, $path, $dependencies );
-		$styles->add_data( $handle, 'rtl', 'replace' );
+	}
+
+	// RTL CSS
+	$rtl_styles = array(
+		// Admin CSS
+		'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus',
+		'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview',
+		'ie', 'login',
+		// Includes CSS
+		'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
+		'wp-jquery-ui-dialog',
+		// Package styles
+		'wp-block-library-theme', 'wp-edit-blocks', 'wp-block-library', 'wp-components', 'wp-edit-post', 'wp-editor', 'wp-format-library',
+		'wp-list-reusable-blocks', 'wp-nux',
+		// Deprecated CSS
+		'deprecated-media', 'farbtastic',
+	);
+
+	foreach ( $rtl_styles as $rtl_style ) {
+		$styles->add_data( $rtl_style, 'rtl', 'replace' );
+		if ( $suffix ) {
+			$styles->add_data( $rtl_style, 'suffix', $suffix );
+		}
 	}
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3c4d4ef87c..e3b727743f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0.2-alpha-44213';
+$wp_version = '5.0.2-alpha-44231';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.