diff --git a/tests/e2e/env/CHANGELOG.md b/tests/e2e/env/CHANGELOG.md
index 9a535187070..e07a828f4cc 100644
--- a/tests/e2e/env/CHANGELOG.md
+++ b/tests/e2e/env/CHANGELOG.md
@@ -12,6 +12,7 @@
 - Update fallback PHP version to 7.4.22
 - Update fallback MariaDB version to 10.6.4
 - Update fallback WordPress version to 5.8.0.
+- Remove unused WP unit test install script.
 
 # 0.2.2
 
diff --git a/tests/e2e/env/bin/install-wp-tests.sh b/tests/e2e/env/bin/install-wp-tests.sh
deleted file mode 100755
index d6f3b95d898..00000000000
--- a/tests/e2e/env/bin/install-wp-tests.sh
+++ /dev/null
@@ -1,179 +0,0 @@
-#!/usr/bin/env bash
-
-if [ $# -lt 3 ]; then
-	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version] [skip-database-creation]"
-	exit 1
-fi
-
-DB_NAME=$1
-DB_USER=$2
-# Trim whitespace to work around an issue supplying an empty string through both `npm explore` and `npm run`.
-DB_PASS=${3//[[:blank:]]/}
-DB_HOST=${4-localhost}
-WP_VERSION=${5-latest}
-SKIP_DB_CREATE=${6-false}
-
-# directories
-TMPDIR=${TMPDIR-/tmp}
-TMPDIR=$(echo $TMPDIR | sed -e "s/\/$//")
-WP_TESTS_DIR=${WP_TESTS_DIR-$TMPDIR/wordpress-tests-lib}
-WP_CORE_DIR=${WP_CORE_DIR-$TMPDIR/wordpress/}
-
-download() {
-    if [ `which curl` ]; then
-        curl -s "$1" > "$2";
-    elif [ `which wget` ]; then
-        wget -nv -O "$2" "$1"
-    fi
-}
-
-if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
-	WP_TESTS_TAG="branches/$WP_VERSION"
-elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
-	if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
-		# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
-		WP_TESTS_TAG="tags/${WP_VERSION%??}"
-	else
-		WP_TESTS_TAG="tags/$WP_VERSION"
-	fi
-elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
-	WP_TESTS_TAG="trunk"
-else
-	# http serves a single offer, whereas https serves multiple. we only want one
-	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
-	grep '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
-	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
-	if [[ -z "$LATEST_VERSION" ]]; then
-		echo "Latest WordPress version could not be found"
-		exit 1
-	fi
-	WP_TESTS_TAG="tags/$LATEST_VERSION"
-fi
-
-set -ex
-
-install_wp() {
-
-	if [ -d $WP_CORE_DIR ]; then
-		return;
-	fi
-
-	mkdir -p $WP_CORE_DIR
-
-	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
-		mkdir -p $TMPDIR/wordpress-nightly
-		download https://wordpress.org/nightly-builds/wordpress-latest.zip  $TMPDIR/wordpress-nightly/wordpress-nightly.zip
-		unzip -q $TMPDIR/wordpress-nightly/wordpress-nightly.zip -d $TMPDIR/wordpress-nightly/
-		mv $TMPDIR/wordpress-nightly/wordpress/* $WP_CORE_DIR
-	else
-		if [ $WP_VERSION == 'latest' ]; then
-			local ARCHIVE_NAME='latest'
-		elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+ ]]; then
-			# https serves multiple offers, whereas http serves single.
-			download https://api.wordpress.org/core/version-check/1.7/ $TMPDIR/wp-latest.json
-			if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
-				# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
-				LATEST_VERSION=${WP_VERSION%??}
-			else
-				# otherwise, scan the releases and get the most up to date minor version of the major release
-				local VERSION_ESCAPED=`echo $WP_VERSION | sed 's/\./\\\\./g'`
-				LATEST_VERSION=$(grep -o '"version":"'$VERSION_ESCAPED'[^"]*' $TMPDIR/wp-latest.json | sed 's/"version":"//' | head -1)
-			fi
-			if [[ -z "$LATEST_VERSION" ]]; then
-				local ARCHIVE_NAME="wordpress-$WP_VERSION"
-			else
-				local ARCHIVE_NAME="wordpress-$LATEST_VERSION"
-			fi
-		else
-			local ARCHIVE_NAME="wordpress-$WP_VERSION"
-		fi
-		download https://wordpress.org/${ARCHIVE_NAME}.tar.gz  $TMPDIR/wordpress.tar.gz
-		tar --strip-components=1 -zxmf $TMPDIR/wordpress.tar.gz -C $WP_CORE_DIR
-	fi
-
-	download https://raw.github.com/markoheijnen/wp-mysqli/master/db.php $WP_CORE_DIR/wp-content/db.php
-}
-
-install_test_suite() {
-	# portable in-place argument for both GNU sed and Mac OSX sed
-	if [[ $(uname -s) == 'Darwin' ]]; then
-		local ioption='-i .bak'
-	else
-		local ioption='-i'
-	fi
-
-	# set up testing suite if it doesn't yet exist
-	if [ ! -d $WP_TESTS_DIR ]; then
-		# set up testing suite
-		mkdir -p $WP_TESTS_DIR
-		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
-		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/data/ $WP_TESTS_DIR/data
-	fi
-
-	if [ ! -f wp-tests-config.php ]; then
-		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
-		# remove all forward slashes in the end
-		WP_CORE_DIR=$(echo $WP_CORE_DIR | sed "s:/\+$::")
-		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR/':" "$WP_TESTS_DIR"/wp-tests-config.php
-		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR"/wp-tests-config.php
-		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR"/wp-tests-config.php
-		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR"/wp-tests-config.php
-		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR"/wp-tests-config.php
-	fi
-
-}
-
-install_db() {
-
-	if [ ${SKIP_DB_CREATE} = "true" ]; then
-		return 0
-	fi
-
-	# parse DB_HOST for port or socket references
-	local PARTS=(${DB_HOST//\:/ })
-	local DB_HOSTNAME=${PARTS[0]};
-	local DB_SOCK_OR_PORT=${PARTS[1]};
-	local EXTRA=""
-
-	if ! [ -z $DB_HOSTNAME ] ; then
-		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
-			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
-		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
-			EXTRA=" --socket=$DB_SOCK_OR_PORT"
-		elif ! [ -z $DB_HOSTNAME ] ; then
-			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
-		fi
-	fi
-
-	# create database
-	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
-}
-
-install_deps() {
-
-	# Script Variables
-	BRANCH=$TRAVIS_BRANCH
-	REPO=$TRAVIS_REPO_SLUG
-	WORKING_DIR="$PWD"
-
-	if [ "$TRAVIS_PULL_REQUEST_BRANCH" != "" ]; then
-		BRANCH=$TRAVIS_PULL_REQUEST_BRANCH
-		REPO=$TRAVIS_PULL_REQUEST_SLUG
-	fi
-
-	# checkout dev version of woocommerce
-	cd "$WP_CORE_DIR/wp-content/plugins"
-	git clone --depth 1 "https://github.com/woocommerce/woocommerce.git"
-	# install dependencies
-	cd woocommerce
-	npm install
-	composer install --no-dev
-
-	# Back to original dir
-	cd "$WORKING_DIR"
-}
-
-install_wp
-install_test_suite
-install_db
-install_deps
diff --git a/tests/e2e/env/package.json b/tests/e2e/env/package.json
index 08c7c4f13ed..54a77e34979 100644
--- a/tests/e2e/env/package.json
+++ b/tests/e2e/env/package.json
@@ -55,7 +55,6 @@
     "docker:down": "./bin/docker-compose.sh down",
     "docker:clear-all": "docker rmi --force $(docker images -q)",
     "docker:ssh": "docker exec -it $(node utils/get-app-name.js)_wordpress-www /bin/bash",
-    "install-wp-tests": "./bin/install-wp-tests.sh",
     "test:e2e": "bash ./bin/wait-for-build.sh && ./bin/e2e-test-integration.js",
     "test:e2e-debug": "bash ./bin/wait-for-build.sh && ./bin/e2e-test-integration.js --dev --debug",
     "test:e2e-dev": "bash ./bin/wait-for-build.sh && ./bin/e2e-test-integration.js --dev"