diff --git a/modules/neuwoRtdProvider.js b/modules/neuwoRtdProvider.js
index 2ee4601e200..00a3c59b4a6 100644
--- a/modules/neuwoRtdProvider.js
+++ b/modules/neuwoRtdProvider.js
@@ -7,7 +7,6 @@ import CONSTANTS from '../src/constants.json';
 
 export const DATA_PROVIDER = 'neuwo.ai';
 const SEGTAX_IAB = 6 // IAB - Content Taxonomy version 2
-const CATTAX_IAB = 6 // IAB Tech Lab Content Taxonomy 2.2
 const RESPONSE_IAB_TIER_1 = 'marketing_categories.iab_tier_1'
 const RESPONSE_IAB_TIER_2 = 'marketing_categories.iab_tier_2'
 
@@ -106,7 +105,6 @@ export function injectTopics(topics, bidsConfig) {
 
   // upgrade category taxonomy to IAB 2.2, inject result to page categories
   if (segment.length > 0) {
-    addFragment(bidsConfig.ortb2Fragments.global, 'site.cattax', CATTAX_IAB)
     addFragment(bidsConfig.ortb2Fragments.global, 'site.pagecat', segment.map(s => s.id))
   }
 
diff --git a/test/spec/modules/neuwoRtdProvider_spec.js b/test/spec/modules/neuwoRtdProvider_spec.js
index aed9634cd95..0ad3d7c1f74 100644
--- a/test/spec/modules/neuwoRtdProvider_spec.js
+++ b/test/spec/modules/neuwoRtdProvider_spec.js
@@ -60,7 +60,6 @@ describe('neuwoRtdProvider', function () {
         neuwo.injectTopics(topics, bidsConfig, () => { })
         expect(bidsConfig.ortb2Fragments.global.site.content.data[0].name, 'name of first content data object').to.equal(neuwo.DATA_PROVIDER)
         expect(bidsConfig.ortb2Fragments.global.site.content.data[0].segment[0].id, 'id of first segment in content.data').to.equal(TAX_ID)
-        expect(bidsConfig.ortb2Fragments.global.site.cattax, 'category taxonomy code for pagecat').to.equal(6) // CATTAX_IAB
         expect(bidsConfig.ortb2Fragments.global.site.pagecat[0], 'category taxonomy code for pagecat').to.equal(TAX_ID)
       })