diff --git a/scripts/circleci/add_build_info_json.sh b/scripts/circleci/add_build_info_json.sh
deleted file mode 100755
index 122d859535b4a..0000000000000
--- a/scripts/circleci/add_build_info_json.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-set -e
-
-node ./scripts/release/ci-add-build-info-json.js
diff --git a/scripts/circleci/bench.sh b/scripts/circleci/bench.sh
deleted file mode 100755
index bbb049667a20f..0000000000000
--- a/scripts/circleci/bench.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash		
-		
-set -e		
-		
-npm run bench
\ No newline at end of file
diff --git a/scripts/circleci/check_minified_errors.sh b/scripts/circleci/check_minified_errors.sh
deleted file mode 100755
index df7673a6ead6a..0000000000000
--- a/scripts/circleci/check_minified_errors.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/bash
-
-# Ensure errors are minified in production
-
-OUT=$(git --no-pager grep -n --untracked --no-exclude-standard 'FIXME (minify-errors-in-prod)' -- './build/*')
-
-if [ "$OUT" != "" ]; then
-  echo "$OUT";
-  echo -e "\n";
-  echo "Detected an unminified error message in the production build. User-facing errors message must have a corresponding error code in scripts/error-codes/codes.json."
-  exit 1
-fi
-
-exit 0
diff --git a/scripts/circleci/pack_and_store_artifact.sh b/scripts/circleci/pack_and_store_artifact.sh
deleted file mode 100755
index 061101b6fdec2..0000000000000
--- a/scripts/circleci/pack_and_store_artifact.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# Compress build directory into a single tarball for easy download
-tar -zcvf ./build.tgz ./build
-
-# NPM pack all modules to ensure we archive the correct set of files
-cd ./build/node_modules
-for dir in ./* ; do
-  npm pack "$dir"
-done
-
-# Compress packed modules into a single tarball for easy download by the publish script
-tar -zcvf ../../node_modules.tgz ./*.tgz
diff --git a/scripts/circleci/set_up_github_keys.sh b/scripts/circleci/set_up_github_keys.sh
deleted file mode 100755
index 4179f1e35b853..0000000000000
--- a/scripts/circleci/set_up_github_keys.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-
-set -e
-
-if [ -n "$GITHUB_TOKEN" ]; then
-
-  GH_PAGES_DIR=$(pwd)/../react-gh-pages
-  echo "machine github.com login reactjs-bot password $GITHUB_TOKEN" >~/.netrc
-  git config --global user.name "Circle CI"
-  git config --global user.email "circle@reactjs.org"
-
-fi
diff --git a/scripts/circleci/test_coverage.sh b/scripts/circleci/test_coverage.sh
deleted file mode 100755
index af5fa9b7b1503..0000000000000
--- a/scripts/circleci/test_coverage.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-set -e
-
-yarn test --coverage --maxWorkers=2
-if [ -z "$CI_PULL_REQUEST" ]; then
-  ./node_modules/.bin/coveralls < ./coverage/lcov.info
-fi
-
-# TODO: should we also track prod code coverage somehow?
-# yarn test-prod --coverage
diff --git a/scripts/circleci/update_package_versions.sh b/scripts/circleci/update_package_versions.sh
deleted file mode 100755
index 3661e80cdef77..0000000000000
--- a/scripts/circleci/update_package_versions.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-set -e
-
-node ./scripts/release/ci-update-package-versions.js
diff --git a/scripts/release/ci-add-build-info-json.js b/scripts/release/ci-add-build-info-json.js
deleted file mode 100755
index 92af86946af7d..0000000000000
--- a/scripts/release/ci-add-build-info-json.js
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/usr/bin/env node
-
-'use strict';
-
-// This script is run by Circle CI (see ../scripts/circleci).
-// It is not meant to be run as part of the local build or publish process.
-// It exists to share code between the Node release scripts and CI bash scripts.
-
-// IMPORTANT:
-// Changes below should be mirrored in ./build-release-locally-commands/add-build-info-json.js
-
-const {exec} = require('child_process');
-const {existsSync} = require('fs');
-const {join} = require('path');
-
-const run = async () => {
-  const {writeJson, readJson} = require('fs-extra');
-  const {getBuildInfo, getPublicPackages} = require('./utils');
-
-  const cwd = join(__dirname, '..', '..');
-
-  const {
-    branch,
-    buildNumber,
-    checksum,
-    commit,
-    reactVersion,
-  } = await getBuildInfo();
-
-  const isExperimental = process.env.RELEASE_CHANNEL === 'experimental';
-  const packages = getPublicPackages(isExperimental);
-  const packagesDir = join(cwd, 'packages');
-
-  const buildInfoJSON = {
-    branch,
-    buildNumber,
-    checksum,
-    commit,
-    environment: 'ci',
-    reactVersion,
-  };
-
-  for (let i = 0; i < packages.length; i++) {
-    const packageName = packages[i];
-    const packagePath = join(packagesDir, packageName);
-    const packageJSON = await readJson(join(packagePath, 'package.json'));
-
-    // Verify all public packages include "build-info.json" in the files array.
-    if (!packageJSON.files.includes('build-info.json')) {
-      console.error(
-        `${packageName} must include "build-info.json" in files array.`
-      );
-      process.exit(1);
-    }
-
-    // Add build info JSON to package.
-    if (existsSync(join(packagePath, 'npm'))) {
-      const buildInfoJSONPath = join(packagePath, 'npm', 'build-info.json');
-      await writeJson(buildInfoJSONPath, buildInfoJSON, {spaces: 2});
-    }
-  }
-};
-
-// Install (or update) release script dependencies before proceeding.
-// This needs to be done before we require() the first NPM module.
-exec('yarn install', {cwd: __dirname}, (error, stdout, stderr) => {
-  if (error) {
-    console.error(error);
-    process.exit(1);
-  } else {
-    run();
-  }
-});
diff --git a/scripts/release/ci-update-package-versions.js b/scripts/release/ci-update-package-versions.js
deleted file mode 100755
index c5f75eb6b0d23..0000000000000
--- a/scripts/release/ci-update-package-versions.js
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env node
-
-'use strict';
-
-// This script is run by Circle CI (see ../scripts/circleci).
-// It is not meant to be run as part of the local build or publish process.
-// It exists to share code between the Node release scripts and CI bash scripts.
-
-const {exec} = require('child_process');
-const {join} = require('path');
-
-const run = async () => {
-  const {getBuildInfo, updateVersionsForNext} = require('./utils');
-
-  const cwd = join(__dirname, '..', '..');
-
-  const {reactVersion, version} = await getBuildInfo();
-
-  await updateVersionsForNext(cwd, reactVersion, version);
-};
-
-// Install (or update) release script dependencies before proceeding.
-// This needs to be done before we require() the first NPM module.
-exec('yarn install', {cwd: __dirname}, (error, stdout, stderr) => {
-  if (error) {
-    console.error(error);
-    process.exit(1);
-  } else {
-    run();
-  }
-});