diff --git a/packages/astro/src/index.server.ts b/packages/astro/src/index.server.ts
index dabd32fce530..e788549c0a78 100644
--- a/packages/astro/src/index.server.ts
+++ b/packages/astro/src/index.server.ts
@@ -31,7 +31,6 @@ export {
   cron,
   dataloaderIntegration,
   dedupeIntegration,
-  DEFAULT_USER_INCLUDES,
   defaultStackParser,
   endSession,
   expressErrorHandler,
diff --git a/packages/aws-serverless/src/index.ts b/packages/aws-serverless/src/index.ts
index 1041f89243e4..e2e405768b3b 100644
--- a/packages/aws-serverless/src/index.ts
+++ b/packages/aws-serverless/src/index.ts
@@ -42,7 +42,6 @@ export {
   flush,
   close,
   getSentryRelease,
-  DEFAULT_USER_INCLUDES,
   createGetModuleFromFilename,
   anrIntegration,
   disableAnrDetectionForCallback,
diff --git a/packages/bun/src/index.ts b/packages/bun/src/index.ts
index 0adee621edac..a9ea0801e6f2 100644
--- a/packages/bun/src/index.ts
+++ b/packages/bun/src/index.ts
@@ -18,7 +18,6 @@ export type {
   Thread,
   User,
 } from '@sentry/core';
-export type { AddRequestDataToEventOptions } from '@sentry/core';
 
 export {
   addEventProcessor,
@@ -64,7 +63,6 @@ export {
   flush,
   close,
   getSentryRelease,
-  DEFAULT_USER_INCLUDES,
   createGetModuleFromFilename,
   anrIntegration,
   disableAnrDetectionForCallback,
diff --git a/packages/cloudflare/src/index.ts b/packages/cloudflare/src/index.ts
index 8dd5ba50a623..b13eea386427 100644
--- a/packages/cloudflare/src/index.ts
+++ b/packages/cloudflare/src/index.ts
@@ -18,7 +18,6 @@ export type {
   Thread,
   User,
 } from '@sentry/core';
-export type { AddRequestDataToEventOptions } from '@sentry/core';
 
 export type { CloudflareOptions } from './client';
 
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 036c31e9b1d2..031aefb4287e 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -3,7 +3,6 @@ export type { AsyncContextStrategy } from './asyncContext/types';
 export type { Carrier } from './carrier';
 export type { OfflineStore, OfflineTransportOptions } from './transports/offline';
 export type { ServerRuntimeClientOptions } from './server-runtime-client';
-export type { RequestDataIntegrationOptions } from './integrations/requestdata';
 export type { IntegrationIndex } from './integration';
 
 export * from './tracing';
diff --git a/packages/core/src/integrations/requestdata.ts b/packages/core/src/integrations/requestdata.ts
index 1ce1799cac59..df670bb81013 100644
--- a/packages/core/src/integrations/requestdata.ts
+++ b/packages/core/src/integrations/requestdata.ts
@@ -1,88 +1,49 @@
 import { defineIntegration } from '../integration';
-import type { IntegrationFn } from '../types-hoist';
-import { type AddRequestDataToEventOptions, addNormalizedRequestDataToEvent } from '../utils-hoist/requestdata';
+import type { Event, IntegrationFn, RequestEventData } from '../types-hoist';
+import { parseCookie } from '../utils-hoist/cookie';
+import { getClientIPAddress, ipHeaderNames } from '../utils-hoist/vendor/getIpAddress';
 
-export type RequestDataIntegrationOptions = {
-  /**
-   * Controls what data is pulled from the request and added to the event
-   */
-  include?: {
-    cookies?: boolean;
-    data?: boolean;
-    headers?: boolean;
-    ip?: boolean;
-    query_string?: boolean;
-    url?: boolean;
-    user?:
-      | boolean
-      | {
-          id?: boolean;
-          username?: boolean;
-          email?: boolean;
-        };
-  };
+interface RequestDataIncludeOptions {
+  cookies?: boolean;
+  data?: boolean;
+  headers?: boolean;
+  ip?: boolean;
+  query_string?: boolean;
+  url?: boolean;
+}
 
+type RequestDataIntegrationOptions = {
   /**
-   * Whether to identify transactions by parameterized path, parameterized path with method, or handler name.
-   * @deprecated This option does not do anything anymore, and will be removed in v9.
+   * Controls what data is pulled from the request and added to the event.
    */
-  transactionNamingScheme?: 'path' | 'methodPath' | 'handler';
+  include?: RequestDataIncludeOptions;
 };
 
-const DEFAULT_OPTIONS = {
-  include: {
-    cookies: true,
-    data: true,
-    headers: true,
-    ip: false,
-    query_string: true,
-    url: true,
-    user: {
-      id: true,
-      username: true,
-      email: true,
-    },
-  },
-  transactionNamingScheme: 'methodPath' as const,
-};
+const DEFAULT_INCLUDE = {
+  cookies: true,
+  data: true,
+  headers: true,
+  ip: false,
+  query_string: true,
+  url: true,
+} satisfies RequestDataIncludeOptions;
 
 const INTEGRATION_NAME = 'RequestData';
 
 const _requestDataIntegration = ((options: RequestDataIntegrationOptions = {}) => {
-  const _options: Required<RequestDataIntegrationOptions> = {
-    ...DEFAULT_OPTIONS,
-    ...options,
-    include: {
-      ...DEFAULT_OPTIONS.include,
-      ...options.include,
-      user:
-        options.include && typeof options.include.user === 'boolean'
-          ? options.include.user
-          : {
-              ...DEFAULT_OPTIONS.include.user,
-              // Unclear why TS still thinks `options.include.user` could be a boolean at this point
-              ...((options.include || {}).user as Record<string, boolean>),
-            },
-    },
+  const include = {
+    ...DEFAULT_INCLUDE,
+    ...options.include,
   };
 
   return {
     name: INTEGRATION_NAME,
     processEvent(event) {
-      // Note: In the long run, most of the logic here should probably move into the request data utility functions. For
-      // the moment it lives here, though, until https://github.com/getsentry/sentry-javascript/issues/5718 is addressed.
-      // (TL;DR: Those functions touch many parts of the repo in many different ways, and need to be cleaned up. Once
-      // that's happened, it will be easier to add this logic in without worrying about unexpected side effects.)
-
       const { sdkProcessingMetadata = {} } = event;
       const { normalizedRequest, ipAddress } = sdkProcessingMetadata;
 
-      const addRequestDataOptions = convertReqDataIntegrationOptsToAddReqDataOpts(_options);
-
-      // If this is set, it takes precedence over the plain request object
       if (normalizedRequest) {
-        // TODO: user???
-        addNormalizedRequestDataToEvent(event, normalizedRequest, { ipAddress }, addRequestDataOptions);
+        addNormalizedRequestDataToEvent(event, normalizedRequest, { ipAddress }, include);
         return event;
       }
 
@@ -97,42 +58,75 @@ const _requestDataIntegration = ((options: RequestDataIntegrationOptions = {}) =
  */
 export const requestDataIntegration = defineIntegration(_requestDataIntegration);
 
-/** Convert this integration's options to match what `addRequestDataToEvent` expects */
-/** TODO: Can possibly be deleted once https://github.com/getsentry/sentry-javascript/issues/5718 is fixed */
-function convertReqDataIntegrationOptsToAddReqDataOpts(
-  integrationOptions: Required<RequestDataIntegrationOptions>,
-): AddRequestDataToEventOptions {
-  const {
-    include: { ip, user, ...requestOptions },
-  } = integrationOptions;
-
-  const requestIncludeKeys: string[] = ['method'];
-  for (const [key, value] of Object.entries(requestOptions)) {
-    if (value) {
-      requestIncludeKeys.push(key);
+/**
+ * Add already normalized request data to an event.
+ * This mutates the passed in event.
+ */
+function addNormalizedRequestDataToEvent(
+  event: Event,
+  req: RequestEventData,
+  // Data that should not go into `event.request` but is somehow related to requests
+  additionalData: { ipAddress?: string },
+  include: RequestDataIncludeOptions,
+): void {
+  event.request = {
+    ...event.request,
+    ...extractNormalizedRequestData(req, include),
+  };
+
+  if (include.ip) {
+    const ip = (req.headers && getClientIPAddress(req.headers)) || additionalData.ipAddress;
+    if (ip) {
+      event.user = {
+        ...event.user,
+        ip_address: ip,
+      };
     }
   }
+}
 
-  let addReqDataUserOpt;
-  if (user === undefined) {
-    addReqDataUserOpt = true;
-  } else if (typeof user === 'boolean') {
-    addReqDataUserOpt = user;
-  } else {
-    const userIncludeKeys: string[] = [];
-    for (const [key, value] of Object.entries(user)) {
-      if (value) {
-        userIncludeKeys.push(key);
-      }
+function extractNormalizedRequestData(
+  normalizedRequest: RequestEventData,
+  include: RequestDataIncludeOptions,
+): RequestEventData {
+  const requestData: RequestEventData = {};
+  const headers = { ...normalizedRequest.headers };
+
+  if (include.headers) {
+    requestData.headers = headers;
+
+    // Remove the Cookie header in case cookie data should not be included in the event
+    if (!include.cookies) {
+      delete (headers as { cookie?: string }).cookie;
+    }
+
+    // Remove IP headers in case IP data should not be included in the event
+    if (!include.ip) {
+      ipHeaderNames.forEach(ipHeaderName => {
+        // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+        delete (headers as Record<string, unknown>)[ipHeaderName];
+      });
     }
-    addReqDataUserOpt = userIncludeKeys;
   }
 
-  return {
-    include: {
-      ip,
-      user: addReqDataUserOpt,
-      request: requestIncludeKeys.length !== 0 ? requestIncludeKeys : undefined,
-    },
-  };
+  requestData.method = normalizedRequest.method;
+
+  if (include.url) {
+    requestData.url = normalizedRequest.url;
+  }
+
+  if (include.cookies) {
+    const cookies = normalizedRequest.cookies || (headers && headers.cookie ? parseCookie(headers.cookie) : undefined);
+    requestData.cookies = cookies || {};
+  }
+
+  if (include.query_string) {
+    requestData.query_string = normalizedRequest.query_string;
+  }
+
+  if (include.data) {
+    requestData.data = normalizedRequest.data;
+  }
+
+  return requestData;
 }
diff --git a/packages/core/src/utils-hoist/index.ts b/packages/core/src/utils-hoist/index.ts
index bf90762e2209..04e5dd6560b4 100644
--- a/packages/core/src/utils-hoist/index.ts
+++ b/packages/core/src/utils-hoist/index.ts
@@ -66,17 +66,13 @@ export { basename, dirname, isAbsolute, join, normalizePath, relative, resolve }
 export { makePromiseBuffer } from './promisebuffer';
 export type { PromiseBuffer } from './promisebuffer';
 
-// TODO: Remove requestdata export once equivalent integration is used everywhere
 export {
-  DEFAULT_USER_INCLUDES,
-  addNormalizedRequestDataToEvent,
   winterCGHeadersToDict,
   winterCGRequestToRequestData,
   httpRequestToRequestData,
   extractQueryParamsFromUrl,
   headersToDict,
 } from './requestdata';
-export type { AddRequestDataToEventOptions } from './requestdata';
 
 export { severityLevelFromString } from './severity';
 export {
diff --git a/packages/core/src/utils-hoist/requestdata.ts b/packages/core/src/utils-hoist/requestdata.ts
index bc72b9cb2a2f..4f348f3870ed 100644
--- a/packages/core/src/utils-hoist/requestdata.ts
+++ b/packages/core/src/utils-hoist/requestdata.ts
@@ -1,115 +1,7 @@
-import type { Event, PolymorphicRequest, RequestEventData, WebFetchHeaders, WebFetchRequest } from '../types-hoist';
-import { parseCookie } from './cookie';
+import type { PolymorphicRequest, RequestEventData, WebFetchHeaders, WebFetchRequest } from '../types-hoist';
 import { DEBUG_BUILD } from './debug-build';
-import { isPlainObject } from './is';
 import { logger } from './logger';
 import { dropUndefinedKeys } from './object';
-import { getClientIPAddress, ipHeaderNames } from './vendor/getIpAddress';
-
-const DEFAULT_INCLUDES = {
-  ip: false,
-  request: true,
-  user: true,
-};
-const DEFAULT_REQUEST_INCLUDES = ['cookies', 'data', 'headers', 'method', 'query_string', 'url'];
-export const DEFAULT_USER_INCLUDES = ['id', 'username', 'email'];
-
-/**
- * Options deciding what parts of the request to use when enhancing an event
- */
-export type AddRequestDataToEventOptions = {
-  /** Flags controlling whether each type of data should be added to the event */
-  include?: {
-    ip?: boolean;
-    request?: boolean | Array<(typeof DEFAULT_REQUEST_INCLUDES)[number]>;
-    user?: boolean | Array<(typeof DEFAULT_USER_INCLUDES)[number]>;
-  };
-
-  /** Injected platform-specific dependencies */
-  deps?: {
-    cookie: {
-      parse: (cookieStr: string) => Record<string, string>;
-    };
-    url: {
-      parse: (urlStr: string) => {
-        query: string | null;
-      };
-    };
-  };
-};
-
-function extractUserData(
-  user: {
-    [key: string]: unknown;
-  },
-  keys: boolean | string[],
-): { [key: string]: unknown } {
-  const extractedUser: { [key: string]: unknown } = {};
-  const attributes = Array.isArray(keys) ? keys : DEFAULT_USER_INCLUDES;
-
-  attributes.forEach(key => {
-    if (user && key in user) {
-      extractedUser[key] = user[key];
-    }
-  });
-
-  return extractedUser;
-}
-
-/**
- * Add already normalized request data to an event.
- * This mutates the passed in event.
- */
-export function addNormalizedRequestDataToEvent(
-  event: Event,
-  req: RequestEventData,
-  // This is non-standard data that is not part of the regular HTTP request
-  additionalData: { ipAddress?: string; user?: Record<string, unknown> },
-  options: AddRequestDataToEventOptions,
-): void {
-  const include = {
-    ...DEFAULT_INCLUDES,
-    ...(options && options.include),
-  };
-
-  if (include.request) {
-    const includeRequest = Array.isArray(include.request) ? [...include.request] : [...DEFAULT_REQUEST_INCLUDES];
-    if (include.ip) {
-      includeRequest.push('ip');
-    }
-
-    const extractedRequestData = extractNormalizedRequestData(req, { include: includeRequest });
-
-    event.request = {
-      ...event.request,
-      ...extractedRequestData,
-    };
-  }
-
-  if (include.user) {
-    const extractedUser =
-      additionalData.user && isPlainObject(additionalData.user)
-        ? extractUserData(additionalData.user, include.user)
-        : {};
-
-    if (Object.keys(extractedUser).length) {
-      event.user = {
-        ...event.user,
-        ...extractedUser,
-      };
-    }
-  }
-
-  if (include.ip) {
-    const ip = (req.headers && getClientIPAddress(req.headers)) || additionalData.ipAddress;
-    if (ip) {
-      event.user = {
-        ...event.user,
-        ip_address: ip,
-      };
-    }
-  }
-}
 
 /**
  * Transforms a `Headers` object that implements the `Web Fetch API` (https://developer.mozilla.org/en-US/docs/Web/API/Headers) into a simple key-value dict.
@@ -224,53 +116,3 @@ export function extractQueryParamsFromUrl(url: string): string | undefined {
     return undefined;
   }
 }
-
-function extractNormalizedRequestData(
-  normalizedRequest: RequestEventData,
-  { include }: { include: string[] },
-): RequestEventData {
-  const includeKeys = include ? (Array.isArray(include) ? include : DEFAULT_REQUEST_INCLUDES) : [];
-
-  const requestData: RequestEventData = {};
-  const headers = { ...normalizedRequest.headers };
-
-  if (includeKeys.includes('headers')) {
-    requestData.headers = headers;
-
-    // Remove the Cookie header in case cookie data should not be included in the event
-    if (!include.includes('cookies')) {
-      delete (headers as { cookie?: string }).cookie;
-    }
-
-    // Remove IP headers in case IP data should not be included in the event
-    if (!include.includes('ip')) {
-      ipHeaderNames.forEach(ipHeaderName => {
-        // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
-        delete (headers as Record<string, unknown>)[ipHeaderName];
-      });
-    }
-  }
-
-  if (includeKeys.includes('method')) {
-    requestData.method = normalizedRequest.method;
-  }
-
-  if (includeKeys.includes('url')) {
-    requestData.url = normalizedRequest.url;
-  }
-
-  if (includeKeys.includes('cookies')) {
-    const cookies = normalizedRequest.cookies || (headers && headers.cookie ? parseCookie(headers.cookie) : undefined);
-    requestData.cookies = cookies || {};
-  }
-
-  if (includeKeys.includes('query_string')) {
-    requestData.query_string = normalizedRequest.query_string;
-  }
-
-  if (includeKeys.includes('data')) {
-    requestData.data = normalizedRequest.data;
-  }
-
-  return requestData;
-}
diff --git a/packages/deno/src/index.ts b/packages/deno/src/index.ts
index 40f43bb0d5c2..acbacc02dfd3 100644
--- a/packages/deno/src/index.ts
+++ b/packages/deno/src/index.ts
@@ -18,7 +18,6 @@ export type {
   Thread,
   User,
 } from '@sentry/core';
-export type { AddRequestDataToEventOptions } from '@sentry/core';
 
 export type { DenoOptions } from './types';
 
diff --git a/packages/google-cloud-serverless/src/index.ts b/packages/google-cloud-serverless/src/index.ts
index b9a367a09a18..e7c1e4296dde 100644
--- a/packages/google-cloud-serverless/src/index.ts
+++ b/packages/google-cloud-serverless/src/index.ts
@@ -42,7 +42,6 @@ export {
   flush,
   close,
   getSentryRelease,
-  DEFAULT_USER_INCLUDES,
   createGetModuleFromFilename,
   anrIntegration,
   disableAnrDetectionForCallback,
diff --git a/packages/node/src/index.ts b/packages/node/src/index.ts
index 4c5adac95d88..a1f5e3119ea9 100644
--- a/packages/node/src/index.ts
+++ b/packages/node/src/index.ts
@@ -54,8 +54,6 @@ export { cron } from './cron';
 
 export type { NodeOptions } from './types';
 
-export { DEFAULT_USER_INCLUDES } from '@sentry/core';
-
 export {
   // These are custom variants that need to be used instead of the core one
   // As they have slightly different implementations
diff --git a/packages/remix/src/index.server.ts b/packages/remix/src/index.server.ts
index 41c74a4a870d..04b9a3859351 100644
--- a/packages/remix/src/index.server.ts
+++ b/packages/remix/src/index.server.ts
@@ -34,7 +34,6 @@ export {
   createTransport,
   cron,
   dedupeIntegration,
-  DEFAULT_USER_INCLUDES,
   defaultStackParser,
   endSession,
   expressErrorHandler,
diff --git a/packages/solidstart/src/server/index.ts b/packages/solidstart/src/server/index.ts
index d09e5c86b8c2..599739c07084 100644
--- a/packages/solidstart/src/server/index.ts
+++ b/packages/solidstart/src/server/index.ts
@@ -26,7 +26,6 @@ export {
   createTransport,
   cron,
   dedupeIntegration,
-  DEFAULT_USER_INCLUDES,
   defaultStackParser,
   endSession,
   expressErrorHandler,
diff --git a/packages/sveltekit/src/server/index.ts b/packages/sveltekit/src/server/index.ts
index 7df24ce61384..690869593a7b 100644
--- a/packages/sveltekit/src/server/index.ts
+++ b/packages/sveltekit/src/server/index.ts
@@ -26,7 +26,6 @@ export {
   createTransport,
   cron,
   dedupeIntegration,
-  DEFAULT_USER_INCLUDES,
   defaultStackParser,
   endSession,
   expressErrorHandler,
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index c0eab65004dd..c50b5c18c2f0 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -2,7 +2,6 @@
 import {
   CONSOLE_LEVELS as CONSOLE_LEVELS_imported,
   DEFAULT_RETRY_AFTER as DEFAULT_RETRY_AFTER_imported,
-  DEFAULT_USER_INCLUDES as DEFAULT_USER_INCLUDES_imported,
   GLOBAL_OBJ as GLOBAL_OBJ_imported,
   LRUMap as LRUMap_imported,
   MAX_BAGGAGE_STRING_LENGTH as MAX_BAGGAGE_STRING_LENGTH_imported,
@@ -25,7 +24,6 @@ import {
   addHandler as addHandler_imported,
   addItemToEnvelope as addItemToEnvelope_imported,
   addNonEnumerableProperty as addNonEnumerableProperty_imported,
-  addNormalizedRequestDataToEvent as addNormalizedRequestDataToEvent_imported,
   applyAggregateErrorsToEvent as applyAggregateErrorsToEvent_imported,
   baggageHeaderToDynamicSamplingContext as baggageHeaderToDynamicSamplingContext_imported,
   basename as basename_imported,
@@ -318,9 +316,6 @@ export const objectify = objectify_imported;
 /** @deprecated Import from `@sentry/core` instead. */
 export const makePromiseBuffer = makePromiseBuffer_imported;
 
-/** @deprecated Import from `@sentry/core` instead. */
-export const addNormalizedRequestDataToEvent = addNormalizedRequestDataToEvent_imported;
-
 /** @deprecated Import from `@sentry/core` instead. */
 export const winterCGHeadersToDict = winterCGHeadersToDict_imported;
 
@@ -595,9 +590,6 @@ export const memoBuilder = memoBuilder_imported;
 /** @deprecated Import from `@sentry/core` instead. */
 export const normalizeUrlToBase = normalizeUrlToBase_imported;
 
-/** @deprecated Import from `@sentry/core` instead. */
-export const DEFAULT_USER_INCLUDES = DEFAULT_USER_INCLUDES_imported;
-
 /** @deprecated Import from `@sentry/core` instead. */
 export const getSanitizedUrlString = getSanitizedUrlString_imported;
 
@@ -608,7 +600,6 @@ export const parseUrl = parseUrl_imported;
 export const stripUrlQueryAndFragment = stripUrlQueryAndFragment_imported;
 
 import type {
-  AddRequestDataToEventOptions as AddRequestDataToEventOptions_imported,
   InternalGlobal as InternalGlobal_imported,
   PromiseBuffer as PromiseBuffer_imported,
   RateLimits as RateLimits_imported,
@@ -624,8 +615,5 @@ export type SdkSource = SdkSource_imported;
 /** @deprecated Import from `@sentry/core` instead. */
 export type RateLimits = RateLimits_imported;
 
-/** @deprecated Import from `@sentry/core` instead. */
-export type AddRequestDataToEventOptions = AddRequestDataToEventOptions_imported;
-
 /** @deprecated Import from `@sentry/core` instead. */
 export type PromiseBuffer<T> = PromiseBuffer_imported<T>;
diff --git a/packages/vercel-edge/src/index.ts b/packages/vercel-edge/src/index.ts
index 0820a4590c70..b4f961c21dad 100644
--- a/packages/vercel-edge/src/index.ts
+++ b/packages/vercel-edge/src/index.ts
@@ -18,7 +18,6 @@ export type {
   Thread,
   User,
 } from '@sentry/core';
-export type { AddRequestDataToEventOptions } from '@sentry/core';
 
 export type { VercelEdgeOptions } from './types';