diff --git a/LocalPackages/Utilities/Package.swift b/LocalPackages/Utilities/Package.swift
index f66f812304..38575aa77c 100644
--- a/LocalPackages/Utilities/Package.swift
+++ b/LocalPackages/Utilities/Package.swift
@@ -1,5 +1,22 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.9
 // The swift-tools-version declares the minimum version of Swift required to build this package.
+//
+//  Package.swift
+//
+//  Copyright © 2024 DuckDuckGo. All rights reserved.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
 
 import PackageDescription
 
diff --git a/clean-app.sh b/clean-app.sh
index 2bba9829e3..47b624c160 100755
--- a/clean-app.sh
+++ b/clean-app.sh
@@ -1,53 +1,83 @@
 #!/bin/bash
 
 delete_data() {
-	bundle_id="$1"
+    bundle_id="$1"
 
-	printf '%s' "Deleting data for ${bundle_id}..."
+    printf '%s' "Deleting data for ${bundle_id}..."
 
-	if defaults read "${bundle_id}" &>/dev/null; then
-		defaults delete "${bundle_id}"
-	fi
-	rm -rf "${HOME}/Library/Containers/${bundle_id}/Data"
+    if defaults read "${bundle_id}" &>/dev/null; then
+        defaults delete "${bundle_id}"
+    fi
 
-	echo " Done."
+    data_path="${HOME}/Library/Containers/${bundle_id}/Data"
+    if [ -d "${data_path}" ]; then
+        rm -r "${data_path}" || { echo "Failed to delete ${data_path}"; exit 1; }
+        echo " Done."
+    else
+        printf '\nNothing to do for %s\n' "${data_path}"
+    fi
 }
 
 bundle_id=
+config_id=
 
 case "$1" in
-	debug)
-		bundle_id="com.duckduckgo.macos.browser.debug"
-		netp_bundle_ids_glob="*com.duckduckgo.macos.browser.network-protection*debug"
-		;;
-	review)
-		bundle_id="com.duckduckgo.macos.browser.review"
-		netp_bundle_ids_glob="*com.duckduckgo.macos.browser.network-protection*review"
-		;;
-	debug-appstore)
-		bundle_id="com.duckduckgo.mobile.ios.debug"
-		;;
-	review-appstore)
-		bundle_id="com.duckduckgo.mobile.ios.review"
-		;;
-	*)
-		echo "usage: clean-app debug|review|debug-appstore|review-appstore"
-		exit 1
-		;;
+    debug)
+        bundle_id="com.duckduckgo.macos.browser.debug"
+        config_ids="*com.duckduckgo.macos.browser.app-configuration.debug"
+        netp_bundle_ids_glob="*com.duckduckgo.macos.browser.network-protection*debug"
+        ;;
+    review)
+        bundle_id="com.duckduckgo.macos.browser.review"
+        config_ids="*com.duckduckgo.macos.browser.app-configuration.review"
+        netp_bundle_ids_glob="*com.duckduckgo.macos.browser.network-protection*review"
+        ;;
+    debug-appstore)
+        bundle_id="com.duckduckgo.mobile.ios.debug"
+        config_ids="*com.duckduckgo.mobile.ios.app-configuration.debug"
+        ;;
+    review-appstore)
+        bundle_id="com.duckduckgo.mobile.ios.review"
+        config_ids="*com.duckduckgo.mobile.ios.app-configuration.review"
+        ;;
+    *)
+        echo "usage: clean-app debug|review|debug-appstore|review-appstore"
+        exit 1
+        ;;
 esac
 
 delete_data "${bundle_id}"
 
+# shellcheck disable=SC2046
+read -r -a config_bundle_ids <<< $(
+    find "${HOME}/Library/Group Containers/" \
+        -type d \
+        -maxdepth 1 \
+        -name "${config_ids}" \
+        -exec basename {} \;
+)
+for config_id in "${config_bundle_ids[@]}"; do
+    path="${HOME}/Library/Group Containers/${config_id}"
+    printf '%s' "Deleting data at ${path}... "
+    if [ -d "${path}" ]; then
+        rm -r "${path}" || { echo "Failed to delete ${path}"; exit 1; }
+        echo "Done."
+    else
+        printf '\nNothing to do for %s\n' "${path}"
+    fi
+
+done
+
 if [[ -n "${netp_bundle_ids_glob}" ]]; then
-	# shellcheck disable=SC2046
-	read -r -a netp_bundle_ids <<< $(
-		find "${HOME}/Library/Containers/" \
-			-type d \
-			-maxdepth 1 \
-			-name "${netp_bundle_ids_glob}" \
-			-exec basename {} \;
-	)
-	for netp_bundle_id in "${netp_bundle_ids[@]}"; do
-		delete_data "${netp_bundle_id}"
-	done
+    # shellcheck disable=SC2046
+    read -r -a netp_bundle_ids <<< $(
+        find "${HOME}/Library/Containers/" \
+            -type d \
+            -maxdepth 1 \
+            -name "${netp_bundle_ids_glob}" \
+            -exec basename {} \;
+    )
+    for netp_bundle_id in "${netp_bundle_ids[@]}"; do
+        delete_data "${netp_bundle_id}"
+    done
 fi