From 7719742d3994f5fe841df861a7b02712627a2a81 Mon Sep 17 00:00:00 2001
From: Aaron Robertshaw <60436221+aaronrobertshaw@users.noreply.github.com>
Date: Mon, 4 Mar 2024 13:03:10 +1000
Subject: [PATCH] Remove core render_block filter for adding class to markup

---
 lib/block-supports/elements.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/block-supports/elements.php b/lib/block-supports/elements.php
index 4cfd065954d415..eefab9ceffbafd 100644
--- a/lib/block-supports/elements.php
+++ b/lib/block-supports/elements.php
@@ -226,5 +226,6 @@ function gutenberg_render_elements_class_name( $block_content, $block ) {
 // Remove WordPress core filters to avoid rendering duplicate elements stylesheet & attaching classes twice.
 remove_filter( 'render_block', 'wp_render_elements_support', 10, 2 );
 remove_filter( 'pre_render_block', 'wp_render_elements_support_styles', 10, 2 );
+remove_filter( 'render_block', 'wp_render_elements_class_name', 10, 2 );
 add_filter( 'render_block', 'gutenberg_render_elements_class_name', 10, 2 );
 add_filter( 'render_block_data', 'gutenberg_render_elements_support_styles', 10, 2 );