diff --git a/projects/plugins/jetpack/.phan/baseline.php b/projects/plugins/jetpack/.phan/baseline.php
index 4deb8b388d2d3..60c2077e00526 100644
--- a/projects/plugins/jetpack/.phan/baseline.php
+++ b/projects/plugins/jetpack/.phan/baseline.php
@@ -141,7 +141,6 @@
         '_inc/lib/core-api/wpcom-endpoints/publicize-connections.php' => ['PhanParamSignatureMismatch', 'PhanTypeMismatchArgument'],
         '_inc/lib/core-api/wpcom-endpoints/publicize-services.php' => ['PhanParamSignatureMismatch', 'PhanPluginMixedKeyNoKey', 'PhanTypeMismatchArgument'],
         '_inc/lib/core-api/wpcom-endpoints/service-api-keys.php' => ['PhanPluginDuplicateConditionalNullCoalescing', 'PhanTypeArraySuspicious', 'PhanTypeMismatchReturnProbablyReal'],
-        '_inc/lib/core-api/wpcom-endpoints/trait-wpcom-rest-api-proxy-request-trait.php' => ['PhanPluginDuplicateConditionalNullCoalescing', 'PhanUndeclaredProperty'],
         '_inc/lib/core-api/wpcom-fields/post-fields-publicize-connections.php' => ['PhanPluginDuplicateConditionalNullCoalescing', 'PhanTypeMissingReturn'],
         '_inc/lib/debugger/class-jetpack-cxn-test-base.php' => ['PhanDeprecatedFunctionInternal', 'PhanTypeArraySuspiciousNullable', 'PhanTypeMismatchArgumentInternal', 'PhanTypeMismatchReturn'],
         '_inc/lib/debugger/class-jetpack-cxn-tests.php' => ['PhanPluginSimplifyExpressionBool'],
diff --git a/projects/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/trait-wpcom-rest-api-proxy-request-trait.php b/projects/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/trait-wpcom-rest-api-proxy-request-trait.php
deleted file mode 100644
index 57015e3f344b8..0000000000000
--- a/projects/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/trait-wpcom-rest-api-proxy-request-trait.php
+++ /dev/null
@@ -1,120 +0,0 @@
-<?php
-/**
- * Trait WPCOM_REST_API_Proxy_Request_Trait
- *
- * Used to proxy requests to wpcom servers.
- *
- * @package automattic/jetpack
- */
-
-use Automattic\Jetpack\Connection\Client;
-use Automattic\Jetpack\Connection\Manager;
-use Automattic\Jetpack\Status\Visitor;
-
-trait WPCOM_REST_API_Proxy_Request_Trait {
-
-	/**
-	 * Proxy request to wpcom servers on behalf of a user or using the Site-level Connection (blog token).
-	 *
-	 * @param WP_Rest_Request $request Request to proxy.
-	 * @param string          $path Path to append to the rest base.
-	 * @param string          $context Whether the request should be proxied on behalf of the current user or using the Site-level Connection, aka 'blog' token. Can be Either 'user' or 'blog'. Defaults to 'user'.
-	 * @param bool            $allow_fallback_to_blog If the $context is 'user', whether we should fallback to using the Site-level Connection in case the current user is not connected.
-	 *
-	 * @return mixed|WP_Error           Response from wpcom servers or an error.
-	 */
-	public function proxy_request_to_wpcom( $request, $path = '', $context = 'user', $allow_fallback_to_blog = false ) {
-		$blog_id      = \Jetpack_Options::get_option( 'id' );
-		$path         = '/sites/' . rawurldecode( $blog_id ) . '/' . rawurldecode( ltrim( $this->rest_base, '/' ) ) . ( $path ? '/' . rawurldecode( ltrim( $path, '/' ) ) : '' );
-		$query_params = $request->get_query_params();
-		$manager      = new Manager();
-
-		/*
-		 * A rest_route parameter can be added when using plain permalinks.
-		 * It is not necessary to pass them to WordPress.com,
-		 * and may even cause issues with some endpoints.
-		 * Let's remove it.
-		 */
-		if ( isset( $query_params['rest_route'] ) ) {
-			unset( $query_params['rest_route'] );
-		}
-		$api_url = add_query_arg( $query_params, $path );
-
-		$request_options = array(
-			'headers' => array(
-				'Content-Type'    => 'application/json',
-				'X-Forwarded-For' => ( new Visitor() )->get_ip( true ),
-			),
-			'method'  => $request->get_method(),
-		);
-
-		// If no body is present, passing it as $request->get_body() will cause an error.
-		$body = $request->get_body() ? $request->get_body() : null;
-
-		$response = new WP_Error(
-			'rest_unauthorized',
-			__( 'Please connect your user account to WordPress.com', 'jetpack' ),
-			array( 'status' => rest_authorization_required_code() )
-		);
-
-		if ( 'user' === $context ) {
-			if ( ! $manager->is_user_connected() ) {
-				if ( false === $allow_fallback_to_blog ) {
-					return $response;
-				}
-
-				$context = 'blog';
-			} else {
-				$response = Client::wpcom_json_api_request_as_user( $api_url, $this->version, $request_options, $body, $this->base_api_path );
-			}
-		}
-
-		if ( 'blog' === $context ) {
-			if ( ! $manager->is_connected() ) {
-				return $response;
-			}
-
-			$response = Client::wpcom_json_api_request_as_blog( $api_url, $this->version, $request_options, $body, $this->base_api_path );
-		}
-
-		if ( is_wp_error( $response ) ) {
-			return $response;
-		}
-
-		$response_status = wp_remote_retrieve_response_code( $response );
-		$response_body   = json_decode( wp_remote_retrieve_body( $response ), true );
-
-		if ( $response_status >= 400 ) {
-			$code    = isset( $response_body['code'] ) ? $response_body['code'] : 'unknown_error';
-			$message = isset( $response_body['message'] ) ? $response_body['message'] : __( 'An unknown error occurred.', 'jetpack' );
-
-			return new WP_Error( $code, $message, array( 'status' => $response_status ) );
-		}
-
-		return $response_body;
-	}
-
-	/**
-	 * Proxy request to wpcom servers on behalf of a user.
-	 *
-	 * @param WP_Rest_Request $request Request to proxy.
-	 * @param string          $path Path to append to the rest base.
-	 *
-	 * @return mixed|WP_Error           Response from wpcom servers or an error.
-	 */
-	public function proxy_request_to_wpcom_as_user( $request, $path = '' ) {
-		return $this->proxy_request_to_wpcom( $request, $path, 'user' );
-	}
-
-	/**
-	 * Proxy request to wpcom servers using the Site-level Connection (blog token).
-	 *
-	 * @param WP_Rest_Request $request Request to proxy.
-	 * @param string          $path Path to append to the rest base.
-	 *
-	 * @return mixed|WP_Error           Response from wpcom servers or an error.
-	 */
-	public function proxy_request_to_wpcom_as_blog( $request, $path = '' ) {
-		return $this->proxy_request_to_wpcom( $request, $path, 'blog' );
-	}
-}
diff --git a/projects/plugins/jetpack/changelog/update-add-back-the-moved-file-to-fix-deployments b/projects/plugins/jetpack/changelog/update-add-back-the-moved-file-to-fix-deployments
deleted file mode 100644
index cc61dda7a0827..0000000000000
--- a/projects/plugins/jetpack/changelog/update-add-back-the-moved-file-to-fix-deployments
+++ /dev/null
@@ -1,5 +0,0 @@
-Significance: patch
-Type: other
-Comment: Retain the file for deployments
-
-