diff --git a/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.spec.ts b/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.spec.ts
index 2e859114362c22365129f0e25a664a5639588d33..249af7021abcd360680e7c7318c2123763089d20 100644
--- a/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.spec.ts
+++ b/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.spec.ts
@@ -1,8 +1,7 @@
 import { AdminOrganisationsEinheitResource } from '@admin-client/admin-settings';
-import { EMPTY_STRING, StateResource, createStateResource } from '@alfa-client/tech-shared';
+import { StateResource, createStateResource } from '@alfa-client/tech-shared';
 import { Mock, mock, useFromMock } from '@alfa-client/test-utils';
 import { FormBuilder } from '@angular/forms';
-import { faker } from '@faker-js/faker';
 import { of } from 'rxjs';
 import { createAdminOrganisationsEinheitResource } from '../../../../../test/organisations-einheit/organisations-einheit';
 import { OrganisationsEinheitService } from '../../organisationseinheit.service';
@@ -40,23 +39,4 @@ describe('OrganisationsEinheitFormService', () => {
       expect(organisationsEinheitService.patch).toHaveBeenCalledWith(organisationsEinheitResource.settings);
     });
   });
-
-  describe('buildPatchedOrganisationsEinheitSettings', () => {
-    it('should return empty string', () => {
-      service.form.controls[OrganisationsEinheitFormService.ORGANISATIONSEINHEIT_SIGNATUR_FIELD].setValue(null);
-
-      const signatur: string = service.buildPatchedOrganisationsEinheitSettings().signatur;
-
-      expect(signatur).toEqual(EMPTY_STRING);
-    });
-
-    it('should return signatur', () => {
-      const formValueSignatur: string = faker.lorem.word(2);
-      service.form.controls[OrganisationsEinheitFormService.ORGANISATIONSEINHEIT_SIGNATUR_FIELD].setValue(formValueSignatur);
-
-      const signatur: string = service.buildPatchedOrganisationsEinheitSettings().signatur;
-
-      expect(signatur).toEqual(formValueSignatur);
-    });
-  });
 });
diff --git a/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.ts b/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.ts
index 858a1081ef3384b03cba85524dbc002531434bc6..9cb9131e6259cf12b596db1438224396abd952ae 100644
--- a/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.ts
+++ b/alfa-client/libs/admin/settings/src/lib/organisationseinheit/organisationseinheit-form-container/organisationseinheit-form/organisationseinheit.formservice.ts
@@ -1,4 +1,4 @@
-import { AdminOrganisationsEinheitResource, AdminOrganisationsEinheitSettings } from '@admin-client/admin-settings';
+import { AdminOrganisationsEinheitResource } from '@admin-client/admin-settings';
 import { AbstractFormService, EMPTY_STRING, StateResource } from '@alfa-client/tech-shared';
 import { Injectable } from '@angular/core';
 import { FormControl, UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
@@ -23,12 +23,7 @@ export class OrganisationsEinheitFormService extends AbstractFormService {
   }
 
   protected doSubmit(): Observable<StateResource<AdminOrganisationsEinheitResource>> {
-    return this.organisationsEinheitService.patch(this.buildPatchedOrganisationsEinheitSettings());
-  }
-
-  buildPatchedOrganisationsEinheitSettings(): AdminOrganisationsEinheitSettings {
-    const signatur: string = this.getFormValue().signatur ? this.getFormValue().signatur : '';
-    return { signatur };
+    return this.organisationsEinheitService.patch(this.getFormValue());
   }
 
   protected getPathPrefix(): string {