diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index b8538ee3b43e2..11d4141aa3420 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -565,7 +565,7 @@ function _build_block_template_result_from_file( $template_file, $template_type
 	$template                 = new WP_Block_Template();
 	$template->id             = $theme . '//' . $template_file['slug'];
 	$template->theme          = $theme;
-	$template->content        = _inject_theme_attribute_in_block_template_content( $template_content );
+	$template->content        = $template_content;
 	$template->slug           = $template_file['slug'];
 	$template->source         = 'theme';
 	$template->type           = $template_type;