diff --git a/projects/packages/jetpack-mu-wpcom/changelog/feat-dashboard-widget-react-follow-up b/projects/packages/jetpack-mu-wpcom/changelog/feat-dashboard-widget-react-follow-up
new file mode 100644
index 0000000000000..341f6e87f74d9
--- /dev/null
+++ b/projects/packages/jetpack-mu-wpcom/changelog/feat-dashboard-widget-react-follow-up
@@ -0,0 +1,4 @@
+Significance: minor
+Type: deprecated
+
+Site Management Widget: Clean up unused files
diff --git a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-site-management-widget/class-wpcom-site-management-widget.php b/projects/packages/jetpack-mu-wpcom/src/features/wpcom-site-management-widget/class-wpcom-site-management-widget.php
deleted file mode 100644
index 9993a1de0b2e8..0000000000000
--- a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-site-management-widget/class-wpcom-site-management-widget.php
+++ /dev/null
@@ -1,249 +0,0 @@
-<?php
-/**
- * A class that adds the WPCOM site management widget to the WordPress admin dashboard.
- *
- * @todo Remove this file in the follow-up PR as it's not required.
- * @package automattic/jetpack-mu-plugins
- */
-
-/**
- * Class that adds the WPCOM site management widget to the WordPress admin dashboard.
- */
-class WPCOM_Site_Management_Widget {
-	const WPCOM_SITE_MANAGEMENT_WIDGET_ID = 'wpcom_site_management_widget';
-
-	/**
-	 * Singleton instance of the widget, not to show more than once.
-	 *
-	 * @var WPCOM_Site_Management_Widget
-	 */
-	public static $instance = null;
-
-	/**
-	 * Gets the instance of this singleton class
-	 */
-	public static function get_instance() {
-		if ( self::$instance === null ) {
-			self::$instance = new self();
-		}
-		return self::$instance;
-	}
-
-	/**
-	 * Register widget with WordPress.
-	 */
-	public function __construct() {
-		if ( ! current_user_can( 'manage_options' ) ) {
-			return;
-		}
-
-		add_action( 'admin_head', array( $this, 'admin_head' ) );
-		add_action( 'wp_dashboard_setup', array( $this, 'wp_dashboard_setup' ) );
-	}
-
-	/**
-	 * JavaScript and CSS for the widget.
-	 *
-	 * @access public
-	 * @return void
-	 */
-	public function admin_head() {
-		?>
-		<style type="text/css">
-			#wpcom_site_management_widget {
-				color: #1e1e1e;
-			}
-
-			#wpcom_site_management_widget .postbox-title-action {
-				display: none;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__header {
-				display: flex;
-				align-items: center;
-				gap: 12px;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-favicon {
-				display: flex;
-				align-items: center;
-				justify-content: center;
-				flex-shrink: 0;
-				width: 38px;
-				height: 38px;
-				overflow: hidden;
-				font-size: 24px;
-				color: #0073aa;
-				background-color: #f5f7f7;
-				border: 1px solid #eeeeee;
-				border-radius: 4px;
-				cursor: default;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-favicon img {
-				width: 100%;
-				height: auto;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-info {
-				flex-grow: 1;
-				overflow: hidden;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-name {
-				font-size: 14px;
-				font-weight: 500;
-				line-height: 20px;
-				overflow: hidden;
-				text-overflow: ellipsis;
-				white-space: nowrap;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-url {
-				color: #3a434a;
-				font-size: 12px;
-				font-weight: 400;
-				line-height: 16px;
-				overflow: hidden;
-				text-overflow: ellipsis;
-				white-space: nowrap;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__site-actions {
-				flex-shrink: 0;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__content p {
-				margin: 12px 0;
-				font-size: 13px;
-				font-weight: 400;
-				line-height: 18px;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__dev-tools-title {
-				margin-bottom: 12px;
-				font-size: 11px;
-				font-weight: 600;
-				line-height: 16px;
-				text-transform: uppercase;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__dev-tools-content ul {
-				display: grid;
-				grid-template-columns: 1fr 1fr;
-				gap: 12px;
-				margin-bottom: 0;
-				list-style: disc inside;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__dev-tools-content li {
-				margin: 0 8px;
-				color: #0073aa;
-				font-size: 13px;
-				font-weight: 400;
-				line-height: 18px;
-			}
-
-			#wpcom_site_management_widget .wpcom_site_management_widget__dev-tools-content li::marker {
-				margin-inline-end: 2px;
-			}
-		</style>
-		<?php
-	}
-
-	/**
-	 * Sets up the WPCOM site management widget in the WordPress admin dashboard.
-	 */
-	public function wp_dashboard_setup() {
-		wp_add_dashboard_widget(
-			self::WPCOM_SITE_MANAGEMENT_WIDGET_ID,
-			__( 'Site Management Panel', 'jetpack-mu-wpcom' ),
-			array( $this, 'render_wpcom_site_management_widget' ),
-			function () {},
-			array(),
-			'normal',
-			'high'
-		);
-	}
-
-	/**
-	 * Renders the widget.
-	 */
-	public function render_wpcom_site_management_widget() {
-		$domain = wp_parse_url( home_url(), PHP_URL_HOST );
-
-		?>
-		<div id="wpcom_site_management_widget" class="wpcom_site_management_widget" style="min-height: 200px;">
-			<div class="hide-if-js"><?php esc_html_e( 'Your Site management widget requires JavaScript to function properly.', 'jetpack-mu-wpcom' ); ?></div>
-			<div class="hide-if-no-js" style="height: 100%">
-				<div class="wpcom_site_management_widget__header">
-					<div class="wpcom_site_management_widget__site-favicon">
-						<?php $this->render_wpcom_site_management_widget_fav_icon(); ?>
-					</div>
-					<div class="wpcom_site_management_widget__site-info">
-						<div class="wpcom_site_management_widget__site-name"><?php echo esc_html( get_bloginfo( 'name' ) ); ?></div>
-						<div class="wpcom_site_management_widget__site-url"><?php echo esc_html( $domain ); ?></div>
-					</div>
-					<div class="wpcom_site_management_widget__site-actions">
-						<a class="button-primary" href="<?php echo esc_url( "https://wordpress.com/overview/$domain" ); ?>">
-							<?php esc_html_e( 'Overview', 'jetpack-mu-wpcom' ); ?>
-						</a>
-					</div>
-				</div>
-				<div class="wpcom_site_management_widget__content">
-					<p><?php esc_html_e( 'Get a quick overview of your plans, storage, and domains, or easily access your development tools using the links provided below:', 'jetpack-mu-wpcom' ); ?></p>
-					<div class="wpcom_site_management_widget__dev-tools">
-						<div class="wpcom_site_management_widget__dev-tools-title"><?php esc_html_e( 'DEV TOOLS:', 'jetpack-mu-wpcom' ); ?></div>
-						<div class="wpcom_site_management_widget__dev-tools-content">
-							<ul>
-							<?php
-								$dev_tools_items = array(
-									array(
-										'name' => __( 'Deployments', 'jetpack-mu-wpcom' ),
-										'href' => "/github-deployments/$domain",
-									),
-									array(
-										'name' => __( 'Monitoring', 'jetpack-mu-wpcom' ),
-										'href' => "/site-monitoring/$domain",
-									),
-									array(
-										'name' => __( 'Logs', 'jetpack-mu-wpcom' ),
-										'href' => "/site-logs/$domain/php",
-									),
-									array(
-										'name' => __( 'Staging Site', 'jetpack-mu-wpcom' ),
-										'href' => "/staging-site/$domain",
-									),
-									array(
-										'name' => __( 'Server Settings', 'jetpack-mu-wpcom' ),
-										'href' => "/hosting-config/$domain",
-									),
-								);
-								foreach ( $dev_tools_items as $item ) {
-									printf( '<li><a href="https://wordpress.com%1$s">%2$s</a></li>', esc_url( $item['href'] ), esc_html( $item['name'] ) );
-								}
-								?>
-						</div>
-					</div>
-				</div>
-			</div>
-		</div>
-		<?php
-	}
-
-	/**
-	 * Renders the fav icon.
-	 */
-	public function render_wpcom_site_management_widget_fav_icon() {
-		$site_icon_url = get_site_icon_url( 38 );
-
-		// webclip.png is the default on WoA sites. Anything other than that means we have a custom site icon.
-		if ( ! empty( $site_icon_url ) && $site_icon_url !== 'https://s0.wp.com/i/webclip.png' ) {
-			printf( '<img src="%1$s" />', esc_url( $site_icon_url ) );
-		} else {
-			printf( '<span>%1$s</span>', esc_html( mb_substr( get_bloginfo( 'name' ), 0, 1 ) ) );
-		}
-	}
-}
-
-WPCOM_Site_Management_Widget::get_instance();