diff --git a/wp-includes/blocks/archives.php b/wp-includes/blocks/archives.php
index a561fdfa68..3d7b5b42f4 100644
--- a/wp-includes/blocks/archives.php
+++ b/wp-includes/blocks/archives.php
@@ -32,7 +32,7 @@ function render_block_core_archives( $attributes ) {
 		$class .= ' wp-block-archives-dropdown';
 
 		$dropdown_id = esc_attr( uniqid( 'wp-block-archives-' ) );
-		$title       = __( 'Archives', 'default' );
+		$title       = __( 'Archives' );
 
 		/** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
 		$dropdown_args = apply_filters(
@@ -50,19 +50,19 @@ function render_block_core_archives( $attributes ) {
 
 		switch ( $dropdown_args['type'] ) {
 			case 'yearly':
-				$label = __( 'Select Year', 'default' );
+				$label = __( 'Select Year' );
 				break;
 			case 'monthly':
-				$label = __( 'Select Month', 'default' );
+				$label = __( 'Select Month' );
 				break;
 			case 'daily':
-				$label = __( 'Select Day', 'default' );
+				$label = __( 'Select Day' );
 				break;
 			case 'weekly':
-				$label = __( 'Select Week', 'default' );
+				$label = __( 'Select Week' );
 				break;
 			default:
-				$label = __( 'Select Post', 'default' );
+				$label = __( 'Select Post' );
 				break;
 		}
 
@@ -101,7 +101,7 @@ function render_block_core_archives( $attributes ) {
 			$block_content = sprintf(
 				'<div class="%1$s">%2$s</div>',
 				$classnames,
-				__( 'No archives to show.', 'default' )
+				__( 'No archives to show.' )
 			);
 		} else {
 
diff --git a/wp-includes/blocks/categories.php b/wp-includes/blocks/categories.php
index ed5f5ba376..f302d9ba74 100644
--- a/wp-includes/blocks/categories.php
+++ b/wp-includes/blocks/categories.php
@@ -27,7 +27,7 @@ function render_block_core_categories( $attributes ) {
 	if ( ! empty( $attributes['displayAsDropdown'] ) ) {
 		$id                       = 'wp-block-categories-' . $block_id;
 		$args['id']               = $id;
-		$args['show_option_none'] = __( 'Select Category', 'default' );
+		$args['show_option_none'] = __( 'Select Category' );
 		$wrapper_markup           = '<div class="%1$s">%2$s</div>';
 		$items_markup             = wp_dropdown_categories( $args );
 		$type                     = 'dropdown';
diff --git a/wp-includes/blocks/latest-comments.php b/wp-includes/blocks/latest-comments.php
index fc8a88cc2e..44a3dce8ae 100644
--- a/wp-includes/blocks/latest-comments.php
+++ b/wp-includes/blocks/latest-comments.php
@@ -26,10 +26,10 @@
 	 * @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 ) {
+	function wp_latest_comments_draft_or_post_title( $post = 0 ) {
 		$title = get_the_title( $post );
 		if ( empty( $title ) ) {
-			$title = __( '(no title)', 'default' );
+			$title = __( '(no title)' );
 		}
 		return esc_html( $title );
 	}
@@ -42,7 +42,7 @@ function gutenberg_draft_or_post_title( $post = 0 ) {
  *
  * @return string Returns the post content with latest comments added.
  */
-function gutenberg_render_block_core_latest_comments( $attributes = array() ) {
+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(
@@ -94,11 +94,11 @@ function gutenberg_render_block_core_latest_comments( $attributes = array() ) {
 
 			// `_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>';
+			$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$s', 'default' ),
+				__( '%1$s on %2$s' ),
 				$author_markup,
 				$post_title
 			);
@@ -143,7 +143,7 @@ function gutenberg_render_block_core_latest_comments( $attributes = array() ) {
 	) : sprintf(
 		'<div class="%1$s">%2$s</div>',
 		$classnames,
-		__( 'No comments to show.', 'default' )
+		__( 'No comments to show.' )
 	);
 
 	return $block_content;
@@ -179,6 +179,6 @@ function gutenberg_render_block_core_latest_comments( $attributes = array() ) {
 				'enum' => array( 'center', 'left', 'right', 'wide', 'full', '' ),
 			),
 		),
-		'render_callback' => 'gutenberg_render_block_core_latest_comments',
+		'render_callback' => 'render_block_core_latest_comments',
 	)
 );
diff --git a/wp-includes/blocks/latest-posts.php b/wp-includes/blocks/latest-posts.php
index 5ef169ae69..18a43e5182 100644
--- a/wp-includes/blocks/latest-posts.php
+++ b/wp-includes/blocks/latest-posts.php
@@ -33,7 +33,7 @@ function render_block_core_latest_posts( $attributes ) {
 
 		$title = get_the_title( $post_id );
 		if ( ! $title ) {
-			$title = __( '(Untitled)', 'default' );
+			$title = __( '(Untitled)' );
 		}
 		$list_items_markup .= sprintf(
 			'<li><a href="%1$s">%2$s</a>',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 06b5efb1eb..d6f1fe0023 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-RC1-43949';
+$wp_version = '5.0-RC1-43950';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.