diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index fa32393290..ecdd8ec8fd 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -88,7 +88,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
 
 	$template_query = new WP_Query( $wp_query_args );
 	$query_result   = array();
-	foreach ( $template_query->get_posts() as $post ) {
+	foreach ( $template_query->posts as $post ) {
 		$template = _build_template_result_from_post( $post );
 
 		if ( ! is_wp_error( $template ) ) {
@@ -130,7 +130,7 @@ function get_block_template( $id, $template_type = 'wp_template' ) {
 		),
 	);
 	$template_query       = new WP_Query( $wp_query_args );
-	$posts                = $template_query->get_posts();
+	$posts                = $template_query->posts;
 
 	if ( count( $posts ) > 0 ) {
 		$template = _build_template_result_from_post( $posts[0] );
diff --git a/src/wp-includes/theme-templates.php b/src/wp-includes/theme-templates.php
index 5cce35cd99..f5e03c5786 100644
--- a/src/wp-includes/theme-templates.php
+++ b/src/wp-includes/theme-templates.php
@@ -49,7 +49,7 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID
 		),
 	);
 	$check_query      = new WP_Query( $check_query_args );
-	$posts            = $check_query->get_posts();
+	$posts            = $check_query->posts;
 
 	if ( count( $posts ) > 0 ) {
 		$suffix = 2;
@@ -59,7 +59,7 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID
 			$query_args['post_name__in'] = array( $alt_post_name );
 			$query                       = new WP_Query( $query_args );
 			$suffix++;
-		} while ( count( $query->get_posts() ) > 0 );
+		} while ( count( $query->posts ) > 0 );
 		$override_slug = $alt_post_name;
 	}