diff --git a/lib/classes/Utils.js b/lib/classes/Utils.js
index a0a44112b..270016409 100644
--- a/lib/classes/Utils.js
+++ b/lib/classes/Utils.js
@@ -220,9 +220,9 @@ class Utils {
               if (_.has(event, 'http.authorizer')) {
                 if (
                   (_.isString(event.http.authorizer) &&
-                    _.toUpper(event.http.authorizer) === 'AWS_IAM') ||
+                    event.http.authorizer.toUpperCase() === 'AWS_IAM') ||
                   (event.http.authorizer.type &&
-                    _.toUpper(event.http.authorizer.type) === 'AWS_IAM')
+                    event.http.authorizer.type.toUpperCase() === 'AWS_IAM')
                 ) {
                   hasIAMAuthorizer = true;
                 }
@@ -235,7 +235,7 @@ class Utils {
 
                 if (
                   (_.isString(event.http.authorizer) &&
-                    _.toUpper(event.http.authorizer) !== 'AWS_IAM' &&
+                    event.http.authorizer.toUpperCase() !== 'AWS_IAM' &&
                     !awsArnRegExs.cognitoIdpArnExpr.test(event.http.authorizer)) ||
                   event.http.authorizer.name ||
                   (event.http.authorizer.arn &&
diff --git a/lib/plugins/aws/package/compile/events/apiGateway/lib/method/integration.js b/lib/plugins/aws/package/compile/events/apiGateway/lib/method/integration.js
index 94bcbbf75..65b396727 100644
--- a/lib/plugins/aws/package/compile/events/apiGateway/lib/method/integration.js
+++ b/lib/plugins/aws/package/compile/events/apiGateway/lib/method/integration.js
@@ -82,9 +82,10 @@ module.exports = {
         },
       });
     } else if (type === 'HTTP' || type === 'HTTP_PROXY') {
+      const integrationHttpMethod = (http.request && http.request.method) || http.method;
       Object.assign(integration, {
         Uri: http.request && http.request.uri,
-        IntegrationHttpMethod: _.toUpper((http.request && http.request.method) || http.method),
+        IntegrationHttpMethod: integrationHttpMethod.toUpperCase(),
       });
       if (http.connectionType) {
         Object.assign(integration, {