diff --git a/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php b/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php
deleted file mode 100644
index 7202417dde..0000000000
--- a/tests/phpunit/tests/webfonts/wpThemeJsonWebfontsHandler.php
+++ /dev/null
@@ -1,138 +0,0 @@
-<?php
-/**
- * Enqueue only webfonts listed in theme.json
- *
- * @package WordPress
- */
-
-/**
- * Integration tests for the theme.json webfonts handler.
- *
- * @group webfonts
- * @group themes
- * @covers _wp_theme_json_webfonts_handler
- */
-class Tests_Webfonts_wpThemeJsonWebfontsHandler extends WP_UnitTestCase {
-
-	/**
-	 * WP_Styles instance reference
-	 *
-	 * @var WP_Styles
-	 */
-	private $orig_wp_styles;
-
-	/**
-	 * Theme root path.
-	 *
-	 * @var string
-	 */
-	private $theme_root;
-
-	/**
-	 * The old theme root path.
-	 *
-	 * @var string
-	 */
-	private $orig_theme_dir;
-
-	public function set_up() {
-		parent::set_up();
-
-		global $wp_styles;
-		$this->orig_wp_styles = $wp_styles;
-		$wp_styles            = null;
-
-		$this->theme_root     = realpath( DIR_TESTDATA . '/themedir1' );
-		$this->orig_theme_dir = $GLOBALS['wp_theme_directories'];
-
-		// /themes is necessary as theme.php functions assume /themes is the root if there is only one root.
-		$GLOBALS['wp_theme_directories'] = array( WP_CONTENT_DIR . '/themes', $this->theme_root );
-
-		$theme_root_callback = function () {
-			return $this->theme_root;
-		};
-
-		add_filter( 'theme_root', $theme_root_callback );
-		add_filter( 'stylesheet_root', $theme_root_callback );
-		add_filter( 'template_root', $theme_root_callback );
-
-		// Clear caches.
-		wp_clean_themes_cache();
-		unset( $GLOBALS['wp_themes'] );
-	}
-
-	public function tear_down() {
-		global $wp_styles;
-		$wp_styles = $this->orig_wp_styles;
-
-		// Restore the original theme directory setup.
-		$GLOBALS['wp_theme_directories'] = $this->orig_theme_dir;
-		wp_clean_themes_cache();
-		unset( $GLOBALS['wp_themes'] );
-
-		parent::tear_down();
-	}
-
-	/**
-	 * @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: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 );
-		$expected = str_replace( "\r\n", "\n", $expected );
-
-		$this->assertStringContainsString(
-			$expected,
-			get_echo( 'wp_print_styles' )
-		);
-	}
-
-	/**
-	 * @dataProvider data_font_face_not_generated
-	 *
-	 * @ticket 55567
-	 * @ticket 46370
-	 */
-	public function test_font_face_not_generated( $theme_name ) {
-		$this->setup_theme_and_test( $theme_name );
-
-		$actual = get_echo( 'wp_print_styles' );
-		$this->assertStringNotContainsString( "<style id='wp-webfonts-inline-css", $actual );
-		$this->assertStringNotContainsString( '@font-face', $actual );
-	}
-
-	/**
-	 * Data provider for unhappy paths.
-	 *
-	 * @return string[][]
-	 */
-	public function data_font_face_not_generated() {
-		return array(
-			'classic theme with no theme.json' => array( 'default' ),
-			'no "fontFace" in theme.json'      => array( 'block-theme' ),
-			'empty "fontFace" in theme.json'   => array( 'empty-fontface-theme' ),
-		);
-	}
-
-	/**
-	 * Sets up the theme and test.
-	 *
-	 * @param string $theme_name Name of the theme to switch to for the test.
-	 */
-	private function setup_theme_and_test( $theme_name ) {
-		switch_theme( $theme_name );
-		do_action( 'after_setup_theme' );
-		wp_clean_theme_json_cache();
-		do_action( 'plugins_loaded' );
-		do_action( 'wp_loaded' );
-		do_action( 'wp_enqueue_scripts' );
-	}
-}