diff --git a/modules/gridNMBidAdapter.js b/modules/gridNMBidAdapter.js
index ffd6c1b250c..af1e9f84f43 100644
--- a/modules/gridNMBidAdapter.js
+++ b/modules/gridNMBidAdapter.js
@@ -134,7 +134,6 @@ export const spec = {
           }
           const bidResponse = {
             requestId: bid.bidId,
-            bidderCode: spec.code,
             cpm: serverBid.price,
             width: serverBid.w,
             height: serverBid.h,
diff --git a/test/spec/modules/gridNMBidAdapter_spec.js b/test/spec/modules/gridNMBidAdapter_spec.js
index 0dbaac0c526..2aec9713000 100644
--- a/test/spec/modules/gridNMBidAdapter_spec.js
+++ b/test/spec/modules/gridNMBidAdapter_spec.js
@@ -300,7 +300,6 @@ describe('TheMediaGridNM Adapter', function () {
           'dealId': 11,
           'width': 300,
           'height': 250,
-          'bidderCode': 'gridNM',
           'currency': 'USD',
           'mediaType': 'video',
           'netRevenue': false,
@@ -317,7 +316,6 @@ describe('TheMediaGridNM Adapter', function () {
           'dealId': undefined,
           'width': 300,
           'height': 600,
-          'bidderCode': 'gridNM',
           'currency': 'USD',
           'mediaType': 'video',
           'netRevenue': false,