diff --git a/lib/plugins/aws/customResources/index.js b/lib/plugins/aws/customResources/index.js
index 4cc291079..777638826 100644
--- a/lib/plugins/aws/customResources/index.js
+++ b/lib/plugins/aws/customResources/index.js
@@ -3,7 +3,6 @@
 const path = require('path');
 const crypto = require('crypto');
 const BbPromise = require('bluebird');
-const _ = require('lodash');
 const fse = BbPromise.promisifyAll(require('fs-extra'));
 const childProcess = BbPromise.promisifyAll(require('child_process'));
 const getTmpDirPath = require('../../../utils/fs/getTmpDirPath');
@@ -149,7 +148,7 @@ function addCustomResourceToService(awsProvider, resourceName, iamRoleStatements
         DependsOn: [customResourcesRoleLogicalId],
       };
 
-      _.merge(Resources, {
+      Object.assign(Resources, {
         [customResourceFunctionLogicalId]: customResourceFunction,
         [customResourcesRoleLogicalId]: customResourceRole,
       });