diff --git a/.ado/publish.yml b/.ado/publish.yml
index fa24aaf5dee53f..b57595936bb0b2 100644
--- a/.ado/publish.yml
+++ b/.ado/publish.yml
@@ -107,7 +107,7 @@ jobs:
   - job: RNMacOSInitNpmJSPublish
     displayName: react-native-macos-init Publish to npmjs.org
     pool:
-      vmImage: vs2017-win2016
+      vmImage: ubuntu-18.04
     timeoutInMinutes: 90 # how long to run the job before automatically cancelling
     cancelTimeoutInMinutes: 5 # how much time to give 'run always even if cancelled tasks' before killing them
     condition: eq(variables['Build.SourceBranchName'], 'main')
diff --git a/package.json b/package.json
index 210c663dc9bfc7..77691de8c75560 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
     "scripts/launchPackager.command",
     "scripts/node-binary.sh",
     "scripts/packager.sh",
-    "scripts/postInstall.js",
     "scripts/react_native_pods.rb",
     "scripts/react-native-xcode.sh",
     "template.config.js",
@@ -84,8 +83,7 @@
     "test-android-e2e": "yarn run docker-build-android && yarn run test-android-run-e2e",
     "build-ios-e2e": "detox build -c ios.sim.release",
     "test-ios-e2e": "detox test -c ios.sim.release packages/rn-tester/e2e",
-    "test-ios": "./scripts/objc-test.sh test",
-    "postinstall": "node scripts/postInstall.js"
+    "test-ios": "./scripts/objc-test.sh test"
   },
   "workspaces": [
     "packages/!(eslint-config-react-native-community)",
diff --git a/scripts/fixmacscripts.sh b/scripts/fixmacscripts.sh
deleted file mode 100755
index 419d957530bacd..00000000000000
--- a/scripts/fixmacscripts.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-
-# npm publish is currently performed on Windows build agents and loses the executable bit on files.
-# restore the executable bit during npm postinstall
-
-echo "Fixing the executable bit on macOS scripts"
-
-find . -iname \*.sh -exec chmod +x {} \;
-find . -iname \*.command -exec chmod +x {} \;
diff --git a/scripts/postInstall.js b/scripts/postInstall.js
deleted file mode 100644
index b039717770dd24..00000000000000
--- a/scripts/postInstall.js
+++ /dev/null
@@ -1,6 +0,0 @@
-const child_process = require('child_process');
-
-const isMacOS = process.platform === 'darwin';
-if (isMacOS) {
-  child_process.execSync('source scripts/fixmacscripts.sh', {stdio: 'inherit'});
-}