diff --git a/Libraries/ReactNative/UIManager.js b/Libraries/ReactNative/UIManager.js
index ddc06f3437cbac..c93563011981d2 100644
--- a/Libraries/ReactNative/UIManager.js
+++ b/Libraries/ReactNative/UIManager.js
@@ -11,13 +11,11 @@
 
 const NativeModules = require('NativeModules');
 const Platform = require('Platform');
-const UIManagerProperties = require('UIManagerProperties');
 
 const defineLazyObjectProperty = require('defineLazyObjectProperty');
 const invariant = require('fbjs/lib/invariant');
 
 const {UIManager} = NativeModules;
-const viewManagerConfigs = {};
 
 invariant(
   UIManager,
@@ -38,20 +36,7 @@ UIManager.takeSnapshot = function() {
   );
 };
 UIManager.getViewManagerConfig = function(viewManagerName: string) {
-  if (
-    viewManagerConfigs[viewManagerName] === undefined &&
-    UIManager.getConstantsForViewManager
-  ) {
-    try {
-      viewManagerConfigs[
-        viewManagerName
-      ] = UIManager.getConstantsForViewManager(viewManagerName);
-    } catch (e) {
-      viewManagerConfigs[viewManagerName] = null;
-    }
-  }
-
-  return viewManagerConfigs[viewManagerName];
+  return UIManager[viewManagerName];
 };
 
 /**
@@ -63,7 +48,6 @@ if (Platform.OS === 'ios') {
   Object.keys(UIManager).forEach(viewName => {
     const viewConfig = UIManager[viewName];
     if (viewConfig.Manager) {
-      viewManagerConfigs[viewName] = viewConfig;
       defineLazyObjectProperty(viewConfig, 'Constants', {
         get: () => {
           const viewManager = NativeModules[viewConfig.Manager];
@@ -123,20 +107,4 @@ if (Platform.OS === 'ios') {
   if (global.__makePartial) global.__makePartial(UIManager);
 }
 
-if (__DEV__) {
-  Object.keys(UIManager).forEach(viewManagerName => {
-    if (!UIManagerProperties.includes(viewManagerName)) {
-      defineLazyObjectProperty(UIManager, viewManagerName, {
-        get: () => {
-          console.warn(
-            `Accessing view manager configs directly off UIManager via UIManager['${viewManagerName}'] ` +
-              `is no longer supported. Use UIManager.getViewManager('${viewManagerName}') instead.`,
-          );
-          return UIManager.getViewManagerConfig(viewManagerName);
-        },
-      });
-    }
-  });
-}
-
 module.exports = UIManager;
diff --git a/Libraries/ReactNative/UIManagerProperties.js b/Libraries/ReactNative/UIManagerProperties.js
deleted file mode 100644
index a579b604717649..00000000000000
--- a/Libraries/ReactNative/UIManagerProperties.js
+++ /dev/null
@@ -1,67 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- * @format
- */
-'use strict';
-
-/**
- * The list of non-ViewManager related UIManager properties.
- *
- * In an effort to improve startup performance by lazily loading view managers,
- * the interface to access view managers will change from
- * UIManager['viewManagerName'] to UIManager.getViewManager('viewManagerName').
- * By using a function call instead of a property access, the UIManager will
- * be able to initialize and load the required view manager from native
- * synchronously. All of React Native's core components have been updated to
- * use getViewManager(). For the next few releases, any usage of
- * UIManager['viewManagerName'] will result in a warning. Because React Native
- * does not support Proxy objects, a view manager access is implied if any of
- * UIManager's properties that are not one of the properties below is being
- * accessed. Once UIManager property accesses for view managers has been fully
- * deprecated, this file will also be removed.
- */
-module.exports = [
-  'clearJSResponder',
-  'configureNextLayoutAnimation',
-  'createView',
-  'dismissPopupMenu',
-  'dispatchViewManagerCommand',
-  'findSubviewIn',
-  'getConstantsForViewManager',
-  'getDefaultEventTypes',
-  'manageChildren',
-  'measure',
-  'measureInWindow',
-  'measureLayout',
-  'measureLayoutRelativeToParent',
-  'playTouchSound',
-  'removeRootView',
-  'removeSubviewsFromContainerWithID',
-  'replaceExistingNonRootView',
-  'sendAccessibilityEvent',
-  'setChildren',
-  'setJSResponder',
-  'setLayoutAnimationEnabledExperimental',
-  'showPopupMenu',
-  'updateView',
-  'viewIsDescendantOf',
-  'PopupMenu',
-  'LazyViewManagersEnabled',
-  'ViewManagerNames',
-  'StyleConstants',
-  'AccessibilityEventTypes',
-  'UIView',
-  '__takeSnapshot',
-  'takeSnapshot',
-  'getViewManagerConfig',
-  'measureViewsInRect',
-  'blur',
-  'focus',
-  'genericBubblingEventTypes',
-  'genericDirectEventTypes',
-];
diff --git a/Libraries/ReactNative/getNativeComponentAttributes.js b/Libraries/ReactNative/getNativeComponentAttributes.js
index 6a8c5491404c40..64771945f93995 100644
--- a/Libraries/ReactNative/getNativeComponentAttributes.js
+++ b/Libraries/ReactNative/getNativeComponentAttributes.js
@@ -96,7 +96,7 @@ function attachDefaultEventTypes(viewConfig: any) {
   // This is supported on UIManager platforms (ex: Android),
   // as lazy view managers are not implemented for all platforms.
   // See [UIManager] for details on constants and implementations.
-  if (UIManager.ViewManagerNames || UIManager.LazyViewManagersEnabled) {
+  if (UIManager.ViewManagerNames) {
     // Lazy view managers enabled.
     viewConfig = merge(viewConfig, UIManager.getDefaultEventTypes());
   } else {
diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/BUCK b/ReactAndroid/src/main/java/com/facebook/react/uimanager/BUCK
index 9bb553e2e9aefe..262d60c93307fa 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/BUCK
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/BUCK
@@ -30,7 +30,7 @@ rn_android_library(
         react_native_target("java/com/facebook/react/animation:animation"),
         react_native_target("java/com/facebook/react/bridge:bridge"),
         react_native_target("java/com/facebook/react/common:common"),
-        react_native_target("java/com/facebook/react/config:config"),
+        react_native_target("java/com/facebook/react/common:common"),
         react_native_target("java/com/facebook/react/module/annotations:annotations"),
         react_native_target("java/com/facebook/react/modules/core:core"),
         react_native_target("java/com/facebook/react/modules/i18nmanager:i18nmanager"),
diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleConstantsHelper.java b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleConstantsHelper.java
index 8e993c1935cfe5..a6aed93436e973 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleConstantsHelper.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleConstantsHelper.java
@@ -10,7 +10,7 @@
 import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
 
 import com.facebook.react.common.MapBuilder;
-import com.facebook.react.config.ReactFeatureFlags;
+import com.facebook.systrace.Systrace;
 import com.facebook.systrace.SystraceMessage;
 import java.util.List;
 import java.util.Map;
@@ -35,10 +35,7 @@
   /* package */ static Map<String, Object> createConstants(
       UIManagerModule.ViewManagerResolver resolver) {
     Map<String, Object> constants = UIManagerModuleConstants.getConstants();
-    if (!ReactFeatureFlags.lazilyLoadViewManagers) {
-      constants.put("ViewManagerNames", resolver.getViewManagerNames());
-    }
-    constants.put("LazyViewManagersEnabled", true);
+    constants.put("ViewManagerNames", resolver.getViewManagerNames());
     return constants;
   }