diff --git a/modules/kargoBidAdapter.js b/modules/kargoBidAdapter.js
index 01c90eb603e..2d8d6ed62a0 100644
--- a/modules/kargoBidAdapter.js
+++ b/modules/kargoBidAdapter.js
@@ -172,28 +172,6 @@ export const spec = {
     return spec._getCrbFromCookie();
   },
 
-  _getKruxUserId() {
-    return spec._getLocalStorageSafely('kxkar_user');
-  },
-
-  _getKruxSegments() {
-    return spec._getLocalStorageSafely('kxkar_segs');
-  },
-
-  _getKrux() {
-    const segmentsStr = spec._getKruxSegments();
-    let segments = [];
-
-    if (segmentsStr) {
-      segments = segmentsStr.split(',');
-    }
-
-    return {
-      userID: spec._getKruxUserId(),
-      segments: segments
-    };
-  },
-
   _getLocalStorageSafely(key) {
     try {
       return storage.getDataFromLocalStorage(key);
@@ -205,7 +183,7 @@ export const spec = {
   _getUserIds(tdid, usp, gdpr) {
     const crb = spec._getCrb();
     const userIds = {
-      kargoID: crb.userId,
+      kargoID: crb.lexId,
       clientID: crb.clientId,
       crbIDs: crb.syncIds || {},
       optOut: crb.optOut,
@@ -235,7 +213,6 @@ export const spec = {
   _getAllMetadata(tdid, usp, gdpr) {
     return {
       userIDs: spec._getUserIds(tdid, usp, gdpr),
-      krux: spec._getKrux(),
       pageURL: window.location.href,
       rawCRB: spec._readCookie('krg_crb'),
       rawCRBLocalStorage: spec._getLocalStorageSafely('krg_crb')
diff --git a/test/spec/modules/kargoBidAdapter_spec.js b/test/spec/modules/kargoBidAdapter_spec.js
index d3ac8f4020c..6f5a0008783 100644
--- a/test/spec/modules/kargoBidAdapter_spec.js
+++ b/test/spec/modules/kargoBidAdapter_spec.js
@@ -149,20 +149,12 @@ describe('kargo adapter tests', function () {
       };
     }
 
-    function initializeKruxUser() {
-      setLocalStorageItem('kxkar_user', 'rsgr9pnij');
-    }
-
-    function initializeKruxSegments() {
-      setLocalStorageItem('kxkar_segs', 'qv9v984dy,rpx2gy365,qrd5u4axv,rnub9nmtd,reha00jnu');
-    }
-
     function getKrgCrb() {
-      return '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';
+      return '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';
     }
 
     function getKrgCrbOldStyle() {
-      return '%7B%22v%22%3A%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%22%7D';
+      return '%7B%22v%22%3A%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%22%7D';
     }
 
     function initializeKrgCrb(cookieOnly) {
@@ -236,7 +228,7 @@ describe('kargo adapter tests', function () {
       return spec._getSessionId();
     }
 
-    function getExpectedKrakenParams(excludeUserIds, excludeKrux, expectedRawCRB, expectedRawCRBCookie, expectedGDPR) {
+    function getExpectedKrakenParams(excludeUserIds, expectedRawCRB, expectedRawCRBCookie, expectedGDPR) {
       var base = {
         timeout: 200,
         requestCount: requestCount++,
@@ -273,16 +265,6 @@ describe('kargo adapter tests', function () {
           optOut: false,
           usp: '1---'
         },
-        krux: {
-          userID: 'rsgr9pnij',
-          segments: [
-            'qv9v984dy',
-            'rpx2gy365',
-            'qrd5u4axv',
-            'rnub9nmtd',
-            'reha00jnu'
-          ]
-        },
         pageURL: window.location.href,
         prebidRawBidRequests: [
           {
@@ -326,13 +308,6 @@ describe('kargo adapter tests', function () {
         delete base.prebidRawBidRequests[0].userId.tdid;
       }
 
-      if (excludeKrux) {
-        base.krux = {
-          userID: null,
-          segments: []
-        };
-      }
-
       return base;
     }
 
@@ -367,101 +342,77 @@ describe('kargo adapter tests', function () {
     }
 
     it('works when all params and localstorage and cookies are correctly set', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeKrgCrb();
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle()));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle()));
     });
 
     it('works when all params and cookies are correctly set but no localstorage', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeKrgCrb(true);
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, null, getKrgCrbOldStyle()));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, null, getKrgCrbOldStyle()));
     });
 
     it('gracefully handles nothing being set', function() {
-      testBuildRequests(true, getExpectedKrakenParams(true, true, null, null));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, null));
     });
 
     it('gracefully handles browsers without localStorage', function() {
       simulateNoLocalStorage();
-      testBuildRequests(true, getExpectedKrakenParams(true, true, null, null));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, null));
     });
 
     it('handles empty yet valid Kargo CRB', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeEmptyKrgCrb();
       initializeEmptyKrgCrbCookie();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, getEmptyKrgCrb(), getEmptyKrgCrbOldStyle()));
+      testBuildRequests(true, getExpectedKrakenParams(true, getEmptyKrgCrb(), getEmptyKrgCrbOldStyle()));
     });
 
     it('handles broken Kargo CRBs where base64 encoding is invalid', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType1();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, getInvalidKrgCrbType1(), null));
+      testBuildRequests(true, getExpectedKrakenParams(true, getInvalidKrgCrbType1(), null));
     });
 
     it('handles broken Kargo CRBs where top level JSON is invalid on cookie', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType1Cookie();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, null, getInvalidKrgCrbType1()));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, getInvalidKrgCrbType1()));
     });
 
     it('handles broken Kargo CRBs where decoded JSON is invalid', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType2();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, getInvalidKrgCrbType2(), null));
+      testBuildRequests(true, getExpectedKrakenParams(true, getInvalidKrgCrbType2(), null));
     });
 
     it('handles broken Kargo CRBs where inner base 64 is invalid on cookie', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType2Cookie();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, null, getInvalidKrgCrbType2OldStyle()));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, getInvalidKrgCrbType2OldStyle()));
     });
 
     it('handles broken Kargo CRBs where inner JSON is invalid on cookie', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType3Cookie();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, null, getInvalidKrgCrbType3OldStyle()));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, getInvalidKrgCrbType3OldStyle()));
     });
 
     it('handles broken Kargo CRBs where inner JSON is falsey', function() {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeInvalidKrgCrbType4Cookie();
-      testBuildRequests(true, getExpectedKrakenParams(true, undefined, null, getInvalidKrgCrbType4OldStyle()));
+      testBuildRequests(true, getExpectedKrakenParams(true, null, getInvalidKrgCrbType4OldStyle()));
     });
 
     it('handles a non-existant currency object on the config', function() {
       simulateNoCurrencyObject();
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeKrgCrb();
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle()));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle()));
     });
 
     it('handles no ad server currency being set on the currency object in the config', function() {
       simulateNoAdServerCurrency();
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeKrgCrb();
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle()));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle()));
     });
 
     it('sends gdpr consent', function () {
-      initializeKruxUser();
-      initializeKruxSegments();
       initializeKrgCrb();
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(true, true)), generateGDPR(true, true));
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(false, true)), generateGDPR(false, true));
-      testBuildRequests(false, getExpectedKrakenParams(undefined, undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(false, false)), generateGDPR(false, false));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(true, true)), generateGDPR(true, true));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(false, true)), generateGDPR(false, true));
+      testBuildRequests(false, getExpectedKrakenParams(undefined, getKrgCrb(), getKrgCrbOldStyle(), generateGDPRExpect(false, false)), generateGDPR(false, false));
     });
   });