diff --git a/package.json b/package.json
index 8b0bace..1db7611 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,6 @@
   },
   "dependencies": {
     "@babel/preset-env": "^7.10.4",
-    "moment": "^2.24.0",
     "uuid": "^3.3.3"
   },
   "devDependencies": {
diff --git a/src/js/common/browserInfoHelper.js b/src/js/common/browserInfoHelper.js
index b513160..da57e14 100644
--- a/src/js/common/browserInfoHelper.js
+++ b/src/js/common/browserInfoHelper.js
@@ -1,4 +1,3 @@
-import moment from "moment";
 import globalsUtil from "./globalsUtil";
 
 const ICE_CANDIDATE_IP_INDEX = 4;
@@ -68,7 +67,18 @@ const validateAndGetScreenDetail = (value) => {
   }
 };
 
-export const getTimezone = () => `UTC${moment().format("Z")}`;
+const getFormattedOffset = () => {
+    // Date().toString() is in format like "Wed Sep 30 2020 23:11:02 GMT+0100 (British Summer Time)"
+    // To format the offset, we split on "GMT"
+    // and then pick the relevant characters based on their position and reformat with a ":"
+    const offset = new Date().toString().split("GMT")[1];
+    const hourOffset = `${offset[0]}${offset[1]}${offset[2]}`;
+    const minuteOffset = `${offset[3]}${offset[4]}`;
+    const formattedUTC = `${hourOffset}:${minuteOffset}`;
+    return formattedUTC;
+}
+
+export const getTimezone = () => `UTC${getFormattedOffset()}`;
 export const getScreenWidth = () =>
   validateAndGetScreenDetail(globalsUtil.getScreen().width);
 export const getScreenHeight = () =>
diff --git a/tests/unit/common/browserInfoHelper.test.js b/tests/unit/common/browserInfoHelper.test.js
index 0187f8a..94ed56b 100644
--- a/tests/unit/common/browserInfoHelper.test.js
+++ b/tests/unit/common/browserInfoHelper.test.js
@@ -20,7 +20,6 @@ import {
   getTimezone,
   resetDeviceIpString,
 } from "../../../src/js/common/browserInfoHelper";
-import moment from "moment";
 
 describe("BrowserInfoHelper", () => {
   afterEach(() => {
@@ -198,7 +197,7 @@ describe("BrowserInfoHelper", () => {
     it("RTCPeerConnection valid", async () => {
       webRtcConnectionStub.mockReturnValue(MockRTCPeerConnection);
       expect(await getDeviceLocalIPAsString()).toEqual("127.0.0.1");
-      //Calling the function to return an already calculated deviceIpString
+      // Calling the function to return an already calculated deviceIpString
       expect(await getDeviceLocalIPAsString()).toEqual("127.0.0.1");
     });
 
@@ -227,7 +226,15 @@ describe("BrowserInfoHelper", () => {
       height: 1021,
       colorDepth: 17,
     });
-    expect(getTimezone()).toEqual(`UTC${moment().format("Z")}`);
+    global.Date = class DateMock {
+        constructor() {
+        }
+        toString() {
+            return "Tue May 14 2019 12:01:58 GMT+0100 (British Summer Time)";
+        }
+    };
+
+    expect(getTimezone()).toEqual(`UTC+01:00`);
     expect(getScreenWidth()).toEqual(1019);
     expect(getScreenHeight()).toEqual(1021);
     expect(getScreenScalingFactor()).toEqual(2);
diff --git a/tests/unit/hmrc/mtdFraudPrevention.test.js b/tests/unit/hmrc/mtdFraudPrevention.test.js
index e88f432..85fff21 100644
--- a/tests/unit/hmrc/mtdFraudPrevention.test.js
+++ b/tests/unit/hmrc/mtdFraudPrevention.test.js
@@ -8,7 +8,6 @@ import {
 import globalsUtil from "../../../src/js/common/globalsUtil";
 import * as browserInfoHelper from "../../../src/js/common/browserInfoHelper";
 import { resetDeviceIpString } from "../../../src/js/common/browserInfoHelper";
-import moment from "moment";
 
 describe("FraudPreventionHeaders", () => {
   resetDeviceIpString();
@@ -36,13 +35,18 @@ describe("FraudPreventionHeaders", () => {
       height: 1021,
       colorDepth: 17,
     });
+    global.Date = class DateMock {
+        constructor() {
+        }
+        toString() {
+            return "Tue May 14 2019 12:01:58 GMT+0100 (British Summer Time)";
+        }
+    };
 
     const {headers, errors} = await getFraudPreventionHeaders();
     expect(headers.size).toBe(6);
     expect(errors.length).toBe(0);
-    expect(headers.get("Gov-Client-Timezone")).toBe(
-      `UTC${moment().format("Z")}`
-    );
+    expect(headers.get("Gov-Client-Timezone")).toBe(`UTC+01:00`);
     expect(headers.get("Gov-Client-Screens")).toBe(
       "width=1019&height=1021&scaling-factor=2&colour-depth=17"
     );
@@ -77,9 +81,7 @@ describe("FraudPreventionHeaders", () => {
     const {headers, errors} = await getFraudPreventionHeaders();
     expect(headers.size).toBe(5);
     expect(errors.length).toBe(1);
-    expect(headers.get("Gov-Client-Timezone")).toBe(
-      `UTC${moment().format("Z")}`
-    );
+    expect(headers.get("Gov-Client-Timezone")).toBe(`UTC+01:00`);
     expect(headers.get("Gov-Client-Screens")).toBe(
       "width=1019&height=1021&scaling-factor=2&colour-depth=17"
     );
diff --git a/yarn.lock b/yarn.lock
index bfdd94b..5eeb415 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1990,11 +1990,6 @@ arr-union@^3.1.0:
   resolved "https://registry.npmjs.intuit.com:443/artifactory/api/npm/npm-intuit/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
   integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
 
-array-from@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.npmjs.intuit.com:443/artifactory/api/npm/npm-intuit/array-from/-/array-from-2.1.1.tgz#cfe9d8c26628b9dc5aecc62a9f5d8f1f352c1195"
-  integrity sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=
-
 array-ify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-ify/-/array-ify-1.0.0.tgz#9e528762b4a9066ad163a6962a364418e9626ece"
@@ -5592,11 +5587,6 @@ mkdirp@^0.5.1, mkdirp@^0.5.3:
   dependencies:
     minimist "^1.2.5"
 
-moment@^2.24.0:
-  version "2.26.0"
-  resolved "https://registry.npmjs.intuit.com:443/artifactory/api/npm/npm-intuit/moment/-/moment-2.26.0.tgz#5e1f82c6bafca6e83e808b30c8705eed0dcbd39a"
-  integrity sha1-Xh+Cxrr8pug+gIswyHBe7Q3L05o=
-
 move-concurrently@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.intuit.com:443/artifactory/api/npm/npm-intuit/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"