diff --git a/packages/frontend-app-api/.eslintrc.js b/packages/frontend-app-api/.eslintrc.js
index e2a53a6ad2..e487f765b2 100644
--- a/packages/frontend-app-api/.eslintrc.js
+++ b/packages/frontend-app-api/.eslintrc.js
@@ -1 +1,5 @@
-module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname, {
+  rules: {
+    '@backstage/no-top-level-material-ui-4-imports': 'error',
+  },
+});
diff --git a/packages/frontend-app-api/src/extensions/AppNav.tsx b/packages/frontend-app-api/src/extensions/AppNav.tsx
index c5bf028ef8..761c6d5a24 100644
--- a/packages/frontend-app-api/src/extensions/AppNav.tsx
+++ b/packages/frontend-app-api/src/extensions/AppNav.tsx
@@ -23,7 +23,7 @@ import {
   createNavItemExtension,
   createNavLogoExtension,
 } from '@backstage/frontend-plugin-api';
-import { makeStyles } from '@material-ui/core';
+import { makeStyles } from '@material-ui/core/styles';
 import {
   Sidebar,
   useSidebarOpenState,
diff --git a/packages/frontend-app-api/src/extensions/components.tsx b/packages/frontend-app-api/src/extensions/components.tsx
index 3064737e21..4f6574ab3e 100644
--- a/packages/frontend-app-api/src/extensions/components.tsx
+++ b/packages/frontend-app-api/src/extensions/components.tsx
@@ -16,7 +16,7 @@
 
 import React from 'react';
 // TODO: Dependency on MUI should be removed from core packages
-import { Button } from '@material-ui/core';
+import Button from '@material-ui/core/Button';
 
 import {
   createComponentExtension,