diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
index 894c2d7936..5216ff299a 100644
--- a/src/wp-includes/script-loader.php
+++ b/src/wp-includes/script-loader.php
@@ -3520,13 +3520,14 @@ function _wp_theme_json_webfonts_handler() {
 	 * Compiles the 'src' into valid CSS.
 	 *
 	 * @since 6.0.0
+	 * @since 6.2.0 Removed local() CSS.
 	 *
 	 * @param string $font_family Font family.
 	 * @param array  $value       Value to process.
 	 * @return string The CSS.
 	 */
 	$fn_compile_src = static function( $font_family, array $value ) {
-		$src = "local($font_family)";
+		$src = '';
 
 		foreach ( $value as $item ) {
 
@@ -3542,6 +3543,8 @@ function _wp_theme_json_webfonts_handler() {
 				: ", url('{$item['url']}') format('{$item['format']}')";
 		}
 
+		$src = ltrim( $src, ', ' );
+
 		return $src;
 	};
 
diff --git a/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php b/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php
index ae7deacc01..1c084044f6 100644
--- a/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php
+++ b/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php
@@ -76,13 +76,14 @@ class Tests_Webfonts_wpThemeJsonWebfontsHandler extends WP_UnitTestCase {
 	/**
 	 * @ticket 55567
 	 * @ticket 46370
+	 * @ticket 57430
 	 */
 	public function test_font_face_generated_from_themejson() {
 		$this->setup_theme_and_test( 'webfonts-theme' );
 
 		$expected = <<<EOF
 <style id='wp-webfonts-inline-css' type='text/css'>
-@font-face{font-family:"Source Serif Pro";font-style:normal;font-weight:200 900;font-display:fallback;src:local("Source Serif Pro"), url('THEME_ROOT_URL/assets/fonts/SourceSerif4Variable-Roman.ttf.woff2') format('woff2');font-stretch:normal;}@font-face{font-family:"Source Serif Pro";font-style:italic;font-weight:200 900;font-display:fallback;src:local("Source Serif Pro"), url('THEME_ROOT_URL/assets/fonts/SourceSerif4Variable-Italic.ttf.woff2') format('woff2');font-stretch:normal;}
+@font-face{font-family:"Source Serif Pro";font-style:normal;font-weight:200 900;font-display:fallback;src:url('THEME_ROOT_URL/assets/fonts/SourceSerif4Variable-Roman.ttf.woff2') format('woff2');font-stretch:normal;}@font-face{font-family:"Source Serif Pro";font-style:italic;font-weight:200 900;font-display:fallback;src:url('THEME_ROOT_URL/assets/fonts/SourceSerif4Variable-Italic.ttf.woff2') format('woff2');font-stretch:normal;}
 </style>
 EOF;
 		$expected = str_replace( 'THEME_ROOT_URL', get_stylesheet_directory_uri(), $expected );