diff --git a/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts b/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts
index 527a8ba18ed5d8f312f9085162d70561b693eefc..e2108d22415feb56188493c5c6fda695af645dbc 100644
--- a/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts
+++ b/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts
@@ -2,7 +2,7 @@ import { registerLocaleData } from '@angular/common';
 import localeDe from '@angular/common/locales/de';
 import { format } from 'date-fns';
 import { de } from 'date-fns/locale';
-import { formatForDatabase, formatFullDate, formatFullDateWithTimeAndDay, formatFullDateWithTimeWithoutSeconds, formatToPrettyDate, formatWithoutYear, parseZonedDateTimeStringToLocalDateTime } from './date.util';
+import { formatForDatabase, formatFullDate, formatFullDateWithTimeAndDay, formatFullDateWithTimeWithoutSeconds, formatToPrettyDate, formatWithoutYear } from './date.util';
 
 registerLocaleData(localeDe);
 
@@ -59,22 +59,4 @@ describe('Date Util', () => {
 			expect(result).toEqual('01.01.1010');
 		})
 	})
-
-	describe('parse zoned-date-time-string to date', () => {
-
-		it('should be formatted for same day', () => {
-			const stringAsDate: Date = parseZonedDateTimeStringToLocalDateTime('2022-07-12T21:00:00Z[UTC]');
-
-			const formattedDate: string = formatFullDate(stringAsDate);
-			expect(formattedDate).toBe('12.07.2022');
-		})
-
-
-		it('should be formatted for next day', () => {
-			const stringAsDate: Date = parseZonedDateTimeStringToLocalDateTime('2022-07-12T23:00:00Z[UTC]');
-
-			const formattedDate: string = formatFullDate(stringAsDate);
-			expect(formattedDate).toBe('13.07.2022');
-		})
-	})
 })
\ No newline at end of file
diff --git a/goofy-client/libs/tech-shared/src/lib/date.util.ts b/goofy-client/libs/tech-shared/src/lib/date.util.ts
index 6b9f1b2ee25744c1e132753e40c025d2cd397890..5e418625d3f0ed77ea452a1cbcab7e2885a19fc3 100644
--- a/goofy-client/libs/tech-shared/src/lib/date.util.ts
+++ b/goofy-client/libs/tech-shared/src/lib/date.util.ts
@@ -44,17 +44,4 @@ export function createFutureDate(todayPlusDays: number): Date {
 
 export function isParsableToDate(date: string): boolean {
 	return !isNaN(Date.parse(date));
-}
-
-export function parseZonedDateTimeStringToLocalDateTime(zonedDateTimeString: string): Date {
-	return new Date(getLocalDateTime(zonedDateTimeString) + ' ' + getTimeZone(zonedDateTimeString));
-}
-
-function getLocalDateTime(zonedDateTimeString: string): string {
-	const dateStringWithoutTz: string = zonedDateTimeString.substring(0, zonedDateTimeString.lastIndexOf('['));
-	return dateStringWithoutTz.replace('T', ' ').replace('Z', '');
-}
-
-function getTimeZone(zonedDateTimeString: string): string {
-	return zonedDateTimeString.substring(zonedDateTimeString.lastIndexOf('[') + 1, zonedDateTimeString.lastIndexOf(']'));
 }
\ No newline at end of file
diff --git a/goofy-client/package.json b/goofy-client/package.json
index 81949e2261e2bbcab3fe0bc1aee1f3a0b0959b97..7c0f59834ffc985e9731cea4327379fc37bd5e5b 100644
--- a/goofy-client/package.json
+++ b/goofy-client/package.json
@@ -68,7 +68,6 @@
     "angular-oauth2-oidc": "13.0.1",
     "angular-oauth2-oidc-jwks": "13.0.1",
     "date-fns": "^2.28.0",
-    "date-fns-tz": "^1.3.5",
     "file-saver": "2.0.5",
     "include-media": "^1.4.10",
     "lodash-es": "4.17.21",