diff --git a/Libraries/Reliability/UserFlow.js b/Libraries/Reliability/UserFlow.js
deleted file mode 100644
index 7a6262a5f5b..00000000000
--- a/Libraries/Reliability/UserFlow.js
+++ /dev/null
@@ -1,158 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- * @flow strict
- */
-
-'use strict';
-
-const AUTO_INSTANCE_KEY = -1;
-
-export type FlowId = {
-  markerId: number,
-  instanceKey: number,
-};
-
-export type PointData = $Shape<{
-  string: ?{[string]: string, ...},
-  int: ?{[string]: number, ...},
-  double: ?{[string]: number, ...},
-  bool: ?{[string]: boolean, ...},
-  string_array: ?{[string]: $ReadOnlyArray<string>, ...},
-  int_array: ?{[string]: $ReadOnlyArray<number>, ...},
-  double_array: ?{[string]: $ReadOnlyArray<number>, ...},
-  bool_array: ?{[string]: $ReadOnlyArray<boolean>, ...},
-}>;
-
-/**
- * API for tracking reliability of your user interactions
- *
- * Example:
- * const flowId = UserFlow.newFlowId(QuickLogItentifiersExample.EXAMPLE_EVENT);
- * ...
- * UserFlow.start(flowId, {triggerSource: "user_click", cancelOnBackground: true});
- * ...
- * UserFlow.addAnnotation(flowId, "cached", "true");
- * ...
- * UserFlow.addPoint(flowId, "reload");
- * ...
- * UserFlow.endSuccess(flowId);
- */
-const UserFlow = {
-  /**
-   * Creates FlowId from markerId and instanceKey.
-   * You will pass FlowId in every other method of UserFlow API.
-   *
-   * By default, instanceKey will generate unique instance every time you call userFlowGetId with markerId only.
-   */
-  newFlowId(markerId: number, instanceKey: number = AUTO_INSTANCE_KEY): FlowId {
-    var resolvedInstanceKey = instanceKey;
-    if (instanceKey === AUTO_INSTANCE_KEY) {
-      if (global.nativeUserFlowNextInstanceKey) {
-        resolvedInstanceKey = global.nativeUserFlowNextInstanceKey(markerId);
-      } else {
-        // There is no JSI methods installed, API won't do anything
-        resolvedInstanceKey = 0;
-      }
-    }
-    return {
-      markerId: markerId,
-      instanceKey: resolvedInstanceKey,
-    };
-  },
-
-  /**
-   * Starts new flow.
-   * Example:
-   * UserFlow.start(flowId, {triggerSource: 'user_click', cancelOnBackground: true})
-   *
-   * Specify triggerSource as a place where your flow has started.
-   * Specify if flow should be automatically cancelled if applicaton goes to background.
-   * It is recommended to use true for cancelOnBackground - this reduces amount of lost flows due to instrumentation mistakes.
-   * Only if you know that your flow should survive app backgrounding - use false. This includes cases of tracking cross application interactions.
-   *
-   */
-  start(
-    flowId: FlowId,
-    options: {triggerSource: string, cancelOnBackground: boolean},
-  ): void {
-    if (global.nativeUserFlowStart) {
-      global.nativeUserFlowStart(
-        flowId.markerId,
-        flowId.instanceKey,
-        options.triggerSource,
-        options.cancelOnBackground,
-      );
-    }
-  },
-
-  addAnnotation(
-    flowId: FlowId,
-    annotationName: string,
-    annotationValue: string | boolean,
-  ): void {
-    if (global.nativeUserFlowAddAnnotation) {
-      global.nativeUserFlowAddAnnotation(
-        flowId.markerId,
-        flowId.instanceKey,
-        annotationName,
-        annotationValue,
-      );
-    }
-  },
-
-  addPoint(flowId: FlowId, pointName: string, data: ?PointData = null): void {
-    if (global.nativeUserFlowAddPoint) {
-      global.nativeUserFlowAddPoint(
-        flowId.markerId,
-        flowId.instanceKey,
-        pointName,
-        data,
-      );
-    }
-  },
-
-  endSuccess(flowId: FlowId): void {
-    if (global.nativeUserFlowEndSuccess) {
-      global.nativeUserFlowEndSuccess(flowId.markerId, flowId.instanceKey);
-    }
-  },
-
-  /**
-   * Completes flow as failed
-   *
-   * ErrorName should be short and easily categorazable (it is attached as point to the UserFlow and can be used for aggregations).
-   * For example: io_error, network_error, parse_error, validation_error.
-   * DebugInfo is free-form string, where you can attach detailed error message. It is attached as data to the point (see ErrorName).
-   */
-  endFailure(
-    flowId: FlowId,
-    errorName: string,
-    debugInfo: ?string = null,
-  ): void {
-    if (global.nativeUserFlowEndFail) {
-      global.nativeUserFlowEndFail(
-        flowId.markerId,
-        flowId.instanceKey,
-        errorName,
-        debugInfo,
-      );
-    }
-  },
-
-  endCancel(flowId: FlowId, cancelReason: string): void {
-    if (global.nativeUserFlowEndCancel) {
-      global.nativeUserFlowEndCancel(
-        flowId.markerId,
-        flowId.instanceKey,
-        cancelReason,
-      );
-    }
-  },
-};
-
-module.exports = UserFlow;