diff --git a/client/lib/wpcom-undocumented/lib/undocumented.js b/client/lib/wpcom-undocumented/lib/undocumented.js
index 3a8726e6c8269..5db402acd4725 100644
--- a/client/lib/wpcom-undocumented/lib/undocumented.js
+++ b/client/lib/wpcom-undocumented/lib/undocumented.js
@@ -349,29 +349,6 @@ Undocumented.prototype.validateDomainContactInformation = function (
 	);
 };
 
-/**
- * Get site specific details for WordPress.com products
- *
- * @param {Function} siteDomain The site slug
- * @param {Function} fn The callback function
- */
-Undocumented.prototype.getSiteProducts = function ( siteDomain, fn ) {
-	debug( '/sites/:site_domain:/products query' );
-
-	// the site domain could be for a jetpack site installed in
-	// a subdirectory.  encode any forward slash present before making
-	// the request
-	siteDomain = encodeURIComponent( siteDomain );
-
-	return this._sendRequest(
-		{
-			path: '/sites/' + siteDomain + '/products',
-			method: 'get',
-		},
-		fn
-	);
-};
-
 /**
  * Get a site specific details for WordPress.com plans
  *
diff --git a/client/state/sites/products/actions.js b/client/state/sites/products/actions.js
index 24a18d5b40624..022362584f850 100644
--- a/client/state/sites/products/actions.js
+++ b/client/state/sites/products/actions.js
@@ -40,29 +40,26 @@ export function fetchSiteProducts( siteId ) {
 			siteId,
 		} );
 
-		return new Promise( ( resolve ) => {
-			wpcom.undocumented().getSiteProducts( siteId, ( error, data ) => {
-				if ( error ) {
-					debug( 'Fetching site products failed: ', error );
+		return wpcom.req
+			.get( `/sites/${ siteId }/products` )
+			.then( ( data ) => {
+				dispatch( fetchSiteProductsCompleted( siteId, data ) );
+			} )
+			.catch( ( error ) => {
+				debug( 'Fetching site products failed: ', error );
 
-					const errorMessage =
-						error.message ||
-						i18n.translate(
-							'There was a problem fetching site products. Please try again later or contact support.'
-						);
+				const errorMessage =
+					error.message ||
+					i18n.translate(
+						'There was a problem fetching site products. Please try again later or contact support.'
+					);
 
-					dispatch( {
-						type: SITE_PRODUCTS_FETCH_FAILED,
-						siteId,
-						error: errorMessage,
-					} );
-				} else {
-					dispatch( fetchSiteProductsCompleted( siteId, data ) );
-				}
-
-				resolve();
+				dispatch( {
+					type: SITE_PRODUCTS_FETCH_FAILED,
+					siteId,
+					error: errorMessage,
+				} );
 			} );
-		} );
 	};
 }