diff --git a/lib/client-assets.php b/lib/client-assets.php
index 0f9704cb39fc4c..fa1832d2f23729 100644
--- a/lib/client-assets.php
+++ b/lib/client-assets.php
@@ -745,7 +745,8 @@ function gutenberg_extend_block_editor_styles_html() {
 
 	ob_start();
 
-	wp_styles()->done = array();
+	// We do not need reset styles for the iframed editor.
+	wp_styles()->done = array( 'wp-reset-editor-styles' );
 	wp_styles()->do_items( $style_handles );
 	wp_styles()->done = $done;
 
diff --git a/packages/block-editor/src/components/iframe/index.js b/packages/block-editor/src/components/iframe/index.js
index d089925b3846aa..ebcab57b1173fd 100644
--- a/packages/block-editor/src/components/iframe/index.js
+++ b/packages/block-editor/src/components/iframe/index.js
@@ -49,6 +49,13 @@ function styleSheetsCompat( doc ) {
 			return;
 		}
 
+		// Don't try to add the reset styles, which were removed as a dependency
+		// from `edit-blocks` for the iframe since we don't need to reset admin
+		// styles.
+		if ( ownerNode.id === 'wp-reset-editor-styles-css' ) {
+			return;
+		}
+
 		const isMatch = Array.from( cssRules ).find(
 			( { selectorText } ) =>
 				selectorText &&