diff --git a/src/wp-includes/blocks.php b/src/wp-includes/blocks.php
index 7aae7f14d4..cc46bc3d63 100644
--- a/src/wp-includes/blocks.php
+++ b/src/wp-includes/blocks.php
@@ -716,8 +716,6 @@ function excerpt_remove_blocks( $content ) {
 		'core/group',
 	);
 
-	$allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks );
-
 	/**
 	 * Filters the list of blocks that can be used as wrapper blocks, allowing
 	 * excerpts to be generated from the `innerBlocks` of these wrappers.