diff --git a/packages/core/src/sdk/AccountInfoSingleton/AccountInfoSingleton.ts b/packages/core/src/sdk/AccountInfoSingleton/AccountInfoSingleton.ts
index 439c1493a..8c4e983a9 100644
--- a/packages/core/src/sdk/AccountInfoSingleton/AccountInfoSingleton.ts
+++ b/packages/core/src/sdk/AccountInfoSingleton/AccountInfoSingleton.ts
@@ -4,7 +4,7 @@
  * Copyright 2016-Present Datadog, Inc.
  */
 
-import { setCachedAccountId } from '../../rum/helper';
+import { clearCachedAccountId, setCachedAccountId } from '../../rum/helper';
 
 import type { AccountInfo } from './types';
 
@@ -33,6 +33,7 @@ class AccountInfoProvider {
 
     clearAccountInfo = () => {
         this.accountInfo = undefined;
+        clearCachedAccountId();
     };
 }
 
diff --git a/packages/core/src/sdk/AccountInfoSingleton/__tests__/AccountInfoSingleton.test.ts b/packages/core/src/sdk/AccountInfoSingleton/__tests__/AccountInfoSingleton.test.ts
index 9af387619..1e5f91751 100644
--- a/packages/core/src/sdk/AccountInfoSingleton/__tests__/AccountInfoSingleton.test.ts
+++ b/packages/core/src/sdk/AccountInfoSingleton/__tests__/AccountInfoSingleton.test.ts
@@ -4,11 +4,49 @@
  * Copyright 2016-Present Datadog, Inc.
  */
 
+import {
+    clearCachedAccountId,
+    clearCachedSessionId,
+    clearCachedUserId,
+    getCachedAccountId
+} from '../../../rum/helper';
+import { firstPartyHostsRegexMapBuilder } from '../../../rum/instrumentation/resourceTracking/distributedTracing/firstPartyHosts';
+import { DATADOG_BAGGAGE_HEADER } from '../../../rum/instrumentation/resourceTracking/headers';
+import { createRequestContext } from '../../../rum/instrumentation/resourceTracking/requestProxy/common/RequestContext';
+import { getInstrumentationHeaders } from '../../../rum/instrumentation/resourceTracking/requestProxy/common/requestHeaders';
+import { PropagatorType } from '../../../rum/types';
 import { AccountInfoSingleton } from '../AccountInfoSingleton';
 
+const firstPartyRequestOptions = {
+    tracingSamplingRate: 100,
+    firstPartyHostsRegexMap: firstPartyHostsRegexMapBuilder([
+        {
+            match: 'api.example.com',
+            propagatorTypes: [
+                PropagatorType.DATADOG,
+                PropagatorType.TRACECONTEXT
+            ]
+        }
+    ])
+};
+
+const getBaggageHeader = (): string | undefined => {
+    const context = createRequestContext({
+        method: 'GET',
+        url: 'https://api.example.com/v1/resource',
+        options: firstPartyRequestOptions
+    });
+    return getInstrumentationHeaders(context).find(
+        header => header.header === DATADOG_BAGGAGE_HEADER
+    )?.value;
+};
+
 describe('AccountInfoSingleton', () => {
     beforeEach(() => {
         AccountInfoSingleton.reset();
+        clearCachedSessionId();
+        clearCachedUserId();
+        clearCachedAccountId();
     });
 
     it('returns undefined by default', () => {
@@ -87,4 +125,25 @@ describe('AccountInfoSingleton', () => {
 
         expect(a).toBe(b);
     });
+
+    it('clears the cached account id used by RequestContext baggage after clearAccountInfo', () => {
+        const accountId = 'previous-account';
+        AccountInfoSingleton.getInstance().setAccountInfo({
+            id: accountId,
+            extraInfo: {}
+        });
+
+        expect(getCachedAccountId()).toBe(accountId);
+        expect(getBaggageHeader()).toBe(`account.id=${accountId}`);
+
+        AccountInfoSingleton.getInstance().clearAccountInfo();
+
+        expect(
+            AccountInfoSingleton.getInstance().getAccountInfo()
+        ).toBeUndefined();
+        expect(getCachedAccountId()).toBeUndefined();
+        expect(getBaggageHeader() ?? '').not.toContain(
+            `account.id=${accountId}`
+        );
+    });
 });
diff --git a/packages/core/src/sdk/UserInfoSingleton/UserInfoSingleton.ts b/packages/core/src/sdk/UserInfoSingleton/UserInfoSingleton.ts
index a33e494e9..cde32c2a5 100644
--- a/packages/core/src/sdk/UserInfoSingleton/UserInfoSingleton.ts
+++ b/packages/core/src/sdk/UserInfoSingleton/UserInfoSingleton.ts
@@ -4,7 +4,7 @@
  * Copyright 2016-Present Datadog, Inc.
  */
 
-import { setCachedUserId } from '../../rum/helper';
+import { clearCachedUserId, setCachedUserId } from '../../rum/helper';
 
 import type { UserInfo } from './types';
 
@@ -35,6 +35,7 @@ class UserInfoProvider {
 
     clearUserInfo = () => {
         this.userInfo = undefined;
+        clearCachedUserId();
     };
 }
 
diff --git a/packages/core/src/sdk/UserInfoSingleton/__tests__/UserInfoSingleton.test.ts b/packages/core/src/sdk/UserInfoSingleton/__tests__/UserInfoSingleton.test.ts
index f8e7276d6..719300a07 100644
--- a/packages/core/src/sdk/UserInfoSingleton/__tests__/UserInfoSingleton.test.ts
+++ b/packages/core/src/sdk/UserInfoSingleton/__tests__/UserInfoSingleton.test.ts
@@ -4,11 +4,49 @@
  * Copyright 2016-Present Datadog, Inc.
  */
 
+import {
+    clearCachedAccountId,
+    clearCachedSessionId,
+    clearCachedUserId,
+    getCachedUserId
+} from '../../../rum/helper';
+import { firstPartyHostsRegexMapBuilder } from '../../../rum/instrumentation/resourceTracking/distributedTracing/firstPartyHosts';
+import { DATADOG_BAGGAGE_HEADER } from '../../../rum/instrumentation/resourceTracking/headers';
+import { createRequestContext } from '../../../rum/instrumentation/resourceTracking/requestProxy/common/RequestContext';
+import { getInstrumentationHeaders } from '../../../rum/instrumentation/resourceTracking/requestProxy/common/requestHeaders';
+import { PropagatorType } from '../../../rum/types';
 import { UserInfoSingleton } from '../UserInfoSingleton';
 
+const firstPartyRequestOptions = {
+    tracingSamplingRate: 100,
+    firstPartyHostsRegexMap: firstPartyHostsRegexMapBuilder([
+        {
+            match: 'api.example.com',
+            propagatorTypes: [
+                PropagatorType.DATADOG,
+                PropagatorType.TRACECONTEXT
+            ]
+        }
+    ])
+};
+
+const getBaggageHeader = (): string | undefined => {
+    const context = createRequestContext({
+        method: 'GET',
+        url: 'https://api.example.com/v1/resource',
+        options: firstPartyRequestOptions
+    });
+    return getInstrumentationHeaders(context).find(
+        header => header.header === DATADOG_BAGGAGE_HEADER
+    )?.value;
+};
+
 describe('UserInfoSingleton', () => {
     beforeEach(() => {
         UserInfoSingleton.reset();
+        clearCachedSessionId();
+        clearCachedUserId();
+        clearCachedAccountId();
     });
 
     it('returns undefined by default', () => {
@@ -63,4 +101,21 @@ describe('UserInfoSingleton', () => {
 
         expect(a).toBe(b);
     });
+
+    it('clears the cached user id used by RequestContext baggage after clearUserInfo', () => {
+        const userId = 'previous-user';
+        UserInfoSingleton.getInstance().setUserInfo({
+            id: userId,
+            extraInfo: {}
+        });
+
+        expect(getCachedUserId()).toBe(userId);
+        expect(getBaggageHeader()).toBe(`user.id=${userId}`);
+
+        UserInfoSingleton.getInstance().clearUserInfo();
+
+        expect(UserInfoSingleton.getInstance().getUserInfo()).toBeUndefined();
+        expect(getCachedUserId()).toBeUndefined();
+        expect(getBaggageHeader() ?? '').not.toContain(`user.id=${userId}`);
+    });
 });