diff --git a/.eslintrc.js b/.eslintrc.js
index 73b47323..11f19cc6 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -30,7 +30,6 @@ module.exports = {
         ol: true,
         wNumb: true,
         ConfigStorage: true,
-        objectHash: true,
         // start cordova bindings, remove after cordova is removed/replace/modularized
         cordova_serial: true,
         fileChooser: true,
diff --git a/package.json b/package.json
index 7d3fb8df..4595dbf4 100644
--- a/package.json
+++ b/package.json
@@ -67,12 +67,10 @@
     "jquery-touchswipe": "^1.6.19",
     "jquery-ui-npm": "^1.12.0",
     "jsdom": "^21.0.0",
-    "lru_map": "^0.3.3",
     "marked": "^4.1.1",
     "multicast-dns": "^7.2.5",
     "multiple-select": "^1.5.2",
     "nw-vue-devtools-prebuilt": "^0.0.10",
-    "object-hash": "^3.0.0",
     "select2": "^4.0.13",
     "semver-min": "^0.7.2",
     "short-unique-id": "^4.4.4",
diff --git a/src/js/serial_backend.js b/src/js/serial_backend.js
index b85ad82d..621344e4 100644
--- a/src/js/serial_backend.js
+++ b/src/js/serial_backend.js
@@ -22,6 +22,7 @@ import { updateTabList } from "./utils/updateTabList";
 import { get as getConfig, set as setConfig } from "./ConfigStorage";
 import { tracking } from "./Analytics";
 import semver from 'semver';
+import CryptoES from "crypto-es";
 
 let mspHelper;
 let connectionTimestamp;
@@ -463,7 +464,7 @@ function processUid() {
     MSP.send_message(MSPCodes.MSP_UID, false, false, function () {
         const deviceIdentifier = FC.CONFIG.deviceIdentifier;
 
-        tracking.setFlightControllerData(tracking.DATA.MCU_ID, objectHash.sha1(deviceIdentifier));
+        tracking.setFlightControllerData(tracking.DATA.MCU_ID, CryptoES.SHA1(deviceIdentifier));
         tracking.sendEvent(tracking.EVENT_CATEGORIES.FLIGHT_CONTROLLER, 'Connected');
         connectionTimestamp = Date.now();
         gui_log(i18n.getMessage('uniqueDeviceIdReceived', [deviceIdentifier]));
diff --git a/src/main.html b/src/main.html
index b5109d3b..e852f2a2 100644
--- a/src/main.html
+++ b/src/main.html
@@ -57,7 +57,6 @@
     <script type="module" src="./js/utils/common.js"></script>
     <!-- CORDOVA_INCLUDE js/cordova_chromeapi.js -->
     <!-- CORDOVA_INCLUDE js/cordova_startup.js -->
-    <script type="text/javascript" src="./node_modules/lru_map/lru.js"></script>
     <script type="text/javascript" src="./node_modules/jquery/dist/jquery.min.js"></script>
     <script type="text/javascript" src="./node_modules/jquery-ui-npm/jquery-ui.min.js"></script>
     <script type="text/javascript" src="./js/libraries/d3.min.js"></script>
@@ -69,7 +68,6 @@
     <script type="text/javascript" src="./node_modules/jquery-touchswipe/jquery.touchSwipe.min.js"></script>
     <script type="text/javascript" src="./node_modules/select2/dist/js/select2.min.js"></script>
     <script type="text/javascript" src="./node_modules/multiple-select/dist/multiple-select.min.js"></script>
-    <script type="text/javascript" src="./node_modules/object-hash/dist/object_hash.js"></script>
     <script type="module" src="./js/main.js"></script>
 
     <title></title>
diff --git a/yarn.lock b/yarn.lock
index c553eeb5..51b4fb71 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10237,11 +10237,6 @@ lru-queue@^0.1.0:
   dependencies:
     es5-ext "~0.10.2"
 
-lru_map@^0.3.3:
-  version "0.3.3"
-  resolved "https://registry.yarnpkg.com/lru_map/-/lru_map-0.3.3.tgz#b5c8351b9464cbd750335a79650a0ec0e56118dd"
-  integrity sha1-tcg1G5Rky9dQM1p5ZQoOwOVhGN0=
-
 macos-alias@~0.2.5:
   version "0.2.11"
   resolved "https://registry.yarnpkg.com/macos-alias/-/macos-alias-0.2.11.tgz#feeea6c13ba119814a43fc43c470b31e59ef718a"
@@ -11359,11 +11354,6 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
-object-hash@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-3.0.0.tgz#73f97f753e7baffc0e2cc9d6e079079744ac82e9"
-  integrity sha512-RSn9F68PjH9HqtltsSnqYC1XXoWe9Bju5+213R98cNGttag9q9yAOTzdbsqvIa7aNm5WffBZFpWYr2aWrklWAw==
-
 object-inspect@^1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.12.0.tgz#6e2c120e868fd1fd18cb4f18c31741d0d6e776f0"