diff --git a/desktop/app/src/electron/initializeElectron.tsx b/desktop/app/src/electron/initializeElectron.tsx
index 493e52750..11a42bb04 100644
--- a/desktop/app/src/electron/initializeElectron.tsx
+++ b/desktop/app/src/electron/initializeElectron.tsx
@@ -27,6 +27,7 @@ import {setupMenuBar} from './setupMenuBar';
 import {FlipperServer, FlipperServerConfig} from 'flipper-common';
 import type {Icon, RenderHost} from 'flipper-ui-core';
 import {getLocalIconUrl} from '../utils/icons';
+import {getCPUUsage} from 'process';
 
 export function initializeElectron(
   flipperServer: FlipperServer,
@@ -202,6 +203,9 @@ export function initializeElectron(
       }
       delete global.electronRequire.cache[resolvedPath];
     },
+    getPercentCPUUsage() {
+      return getCPUUsage().percentCPUUsage;
+    },
   } as RenderHost;
 
   setupMenuBar();
diff --git a/desktop/flipper-server/src/startWebServerDev.tsx b/desktop/flipper-server/src/startWebServerDev.tsx
index 3f6ee7c5e..5f73bd207 100644
--- a/desktop/flipper-server/src/startWebServerDev.tsx
+++ b/desktop/flipper-server/src/startWebServerDev.tsx
@@ -27,50 +27,50 @@ const uiSourceDirs = [
   'flipper-common',
 ];
 
-const stubModules = new Set([
-  'fs',
-  'path',
-  'crypto',
-  'process',
-  'os',
-  'util',
-  'child_process',
-  'assert',
-  'adbkit', // TODO: factor out!
-  'zlib',
-  'events',
-  'fs-extra',
-  'archiver',
-  'graceful-fs',
-  'stream',
-  'url',
-  'node-fetch',
-  'net',
-  'vm',
-  'debug',
-  'lockfile',
-  'constants',
-  'https',
-  'plugin-lib', // TODO: we only want the types?
-  'flipper-plugin-lib',
-  'tar',
-  'minipass',
-  'live-plugin-manager',
-  'decompress-tar',
-  'readable-stream',
-  'archiver-utils',
-  'metro',
-  'decompress',
-  'temp',
-  'tmp',
-  'promisify-child-process',
-  'jsdom',
-  'extract-zip',
-  'yauzl',
-  'fd-slicer',
-  'envinfo',
-  'bser',
-  'fb-watchman',
+const stubModules = new Set<string>([
+  // 'fs',
+  // 'path',
+  // 'crypto',
+  // 'process',
+  // 'os',
+  // 'util',
+  // 'child_process',
+  // 'assert',
+  // 'adbkit', // TODO: factor out!
+  // 'zlib',
+  // 'events',
+  // 'fs-extra',
+  // 'archiver',
+  // 'graceful-fs',
+  // 'stream',
+  // 'url',
+  // 'node-fetch',
+  // 'net',
+  // 'vm',
+  // 'debug',
+  // 'lockfile',
+  // 'constants',
+  // 'https',
+  // 'plugin-lib', // TODO: we only want the types?
+  // 'flipper-plugin-lib',
+  // 'tar',
+  // 'minipass',
+  // 'live-plugin-manager',
+  // 'decompress-tar',
+  // 'readable-stream',
+  // 'archiver-utils',
+  // 'metro',
+  // 'decompress',
+  // 'temp',
+  // 'tmp',
+  // 'promisify-child-process',
+  // 'jsdom',
+  // 'extract-zip',
+  // 'yauzl',
+  // 'fd-slicer',
+  // 'envinfo',
+  // 'bser',
+  // 'fb-watchman',
   // TODO fix me
 ]);
 
diff --git a/desktop/flipper-ui-browser/src/index.tsx b/desktop/flipper-ui-browser/src/index.tsx
index acd14bdb7..e5431b215 100644
--- a/desktop/flipper-ui-browser/src/index.tsx
+++ b/desktop/flipper-ui-browser/src/index.tsx
@@ -18,7 +18,9 @@ async function start() {
     console.error(
       `[decapitate] Tried to electronRequire ${path}, this module is not available in the browser and will be stubbed`,
     );
-    return {};
+    return {
+      default: {},
+    };
   };
 
   const logger = createDelegatedLogger();
diff --git a/desktop/flipper-ui-core/src/RenderHost.tsx b/desktop/flipper-ui-core/src/RenderHost.tsx
index 70f2b27fd..c732734c2 100644
--- a/desktop/flipper-ui-core/src/RenderHost.tsx
+++ b/desktop/flipper-ui-core/src/RenderHost.tsx
@@ -104,6 +104,7 @@ export interface RenderHost {
   // given the requested icon and proposed public url of the icon, rewrite it to a local icon if needed
   getLocalIconUrl?(icon: Icon, publicUrl: string): string;
   unloadModule?(path: string): void;
+  getPercentCPUUsage?(): number;
 }
 
 export function getRenderHostInstance(): RenderHost {
diff --git a/desktop/flipper-ui-core/src/dispatcher/tracking.tsx b/desktop/flipper-ui-core/src/dispatcher/tracking.tsx
index 437e06742..26441cf9d 100644
--- a/desktop/flipper-ui-core/src/dispatcher/tracking.tsx
+++ b/desktop/flipper-ui-core/src/dispatcher/tracking.tsx
@@ -24,7 +24,6 @@ import {
 import produce from 'immer';
 import BaseDevice from '../devices/BaseDevice';
 import {deconstructClientId} from 'flipper-common';
-import {getCPUUsage} from 'process';
 import {sideEffect} from '../utils/sideEffect';
 import {getSelectionInfo} from '../utils/info';
 import type {SelectionInfo} from '../utils/info';
@@ -239,7 +238,7 @@ export default (store: Store, logger: Logger) => {
       sdkVersion,
       isForeground: state.application.windowIsFocused,
       usedJSHeapSize: (window.performance as any).memory.usedJSHeapSize,
-      cpuLoad: getCPUUsage().percentCPUUsage,
+      cpuLoad: renderHost.getPercentCPUUsage?.() ?? 0,
     };
 
     // reset dropped frames counter
diff --git a/desktop/plugins/public/cpu/index.tsx b/desktop/plugins/public/cpu/index.tsx
index 9b8bab519..0404370ce 100644
--- a/desktop/plugins/public/cpu/index.tsx
+++ b/desktop/plugins/public/cpu/index.tsx
@@ -20,7 +20,6 @@ import {
   DataTableColumn,
   Toolbar,
 } from 'flipper-plugin';
-import adb from 'adbkit';
 import TemperatureTable from './TemperatureTable';
 import {Button, Typography, Switch} from 'antd';
 import {PlayCircleOutlined, PauseCircleOutlined} from '@ant-design/icons';
diff --git a/desktop/plugins/public/kaios-ram/index.tsx b/desktop/plugins/public/kaios-ram/index.tsx
index a4c1b4b8c..dc48ace30 100644
--- a/desktop/plugins/public/kaios-ram/index.tsx
+++ b/desktop/plugins/public/kaios-ram/index.tsx
@@ -9,9 +9,15 @@
 
 import React from 'react';
 
-import {FlipperDevicePlugin, Device, sleep} from 'flipper';
-
-import {FlexColumn, Button, Toolbar, Panel} from 'flipper';
+import {
+  FlipperDevicePlugin,
+  Device,
+  sleep,
+  FlexColumn,
+  Button,
+  Toolbar,
+  Panel,
+} from 'flipper';
 
 import {
   Legend,
@@ -24,7 +30,6 @@ import {
   Tooltip,
 } from 'recharts';
 
-import adb from 'adbkit';
 import {getFlipperLib} from 'flipper-plugin';
 
 const PALETTE = [