diff --git a/packages/e2e-tests/mu-plugins/normalize-theme.php b/packages/e2e-tests/mu-plugins/normalize-theme.php
index 4f9d570d27cd4..2adc386a0d6bb 100644
--- a/packages/e2e-tests/mu-plugins/normalize-theme.php
+++ b/packages/e2e-tests/mu-plugins/normalize-theme.php
@@ -12,65 +12,7 @@
  * are consistent across different themes.
  */
 function normalize_theme_init() {
-	add_theme_support(
-		'editor-color-palette',
-		array(
-			array(
-				'name'  => __( 'Accent Color', 'gutenberg' ),
-				'slug'  => 'accent',
-				'color' => '#cd2653',
-			),
-			array(
-				'name'  => __( 'Primary', 'gutenberg' ),
-				'slug'  => 'primary',
-				'color' => '#0073a8',
-			),
-			array(
-				'name'  => __( 'Secondary', 'gutenberg' ),
-				'slug'  => 'secondary',
-				'color' => '#005075',
-			),
-			array(
-				'name'  => __( 'Subtle Background', 'gutenberg' ),
-				'slug'  => 'subtle-background',
-				'color' => '#dcd7ca',
-			),
-			array(
-				'name'  => __( 'Background Color', 'gutenberg' ),
-				'slug'  => 'background',
-				'color' => '#' . 'f5efe0',
-			),
-		)
-	);
-
-	add_theme_support(
-		'editor-font-sizes',
-		array(
-			array(
-				'name'      => _x( 'Small', 'Name of the small font size in the block editor', 'gutenberg' ),
-				'shortName' => _x( 'S', 'Short name of the small font size in the block editor.', 'gutenberg' ),
-				'size'      => 18,
-				'slug'      => 'small',
-			),
-			array(
-				'name'      => _x( 'Regular', 'Name of the regular font size in the block editor', 'gutenberg' ),
-				'shortName' => _x( 'M', 'Short name of the regular font size in the block editor.', 'gutenberg' ),
-				'size'      => 21,
-				'slug'      => 'normal',
-			),
-			array(
-				'name'      => _x( 'Large', 'Name of the large font size in the block editor', 'gutenberg' ),
-				'shortName' => _x( 'L', 'Short name of the large font size in the block editor.', 'gutenberg' ),
-				'size'      => 26.25,
-				'slug'      => 'large',
-			),
-			array(
-				'name'      => _x( 'Larger', 'Name of the larger font size in the block editor', 'gutenberg' ),
-				'shortName' => _x( 'XL', 'Short name of the larger font size in the block editor.', 'gutenberg' ),
-				'size'      => 32,
-				'slug'      => 'larger',
-			),
-		)
-	);
+	remove_theme_support( 'editor-color-palette' );
+	remove_theme_support( 'editor-font-sizes' );
 }
 add_action( 'init', 'normalize_theme_init' );