diff --git a/projects/player/src/app/app.module.ts b/projects/player/src/app/app.module.ts
index a066d9aa2fc23894fe39ef7f3074a396cf912033..887b466ea276ed4a049ed98d2a1bab415c6a085a 100644
--- a/projects/player/src/app/app.module.ts
+++ b/projects/player/src/app/app.module.ts
@@ -9,7 +9,6 @@ import { AppComponent } from './app.component';
 import { PageComponent } from './components/page/page.component';
 import { SectionComponent } from './components/section/section.component';
 import { SharedModule } from '../../../common/shared.module';
-import { UnitStateComponent } from './components/unit-state/unit-state.component';
 import { PlayerStateComponent } from './components/player-state/player-state.component';
 import { PlayerTranslateLoader } from './classes/player-translate-loader';
 import { LayoutComponent } from './components/layout/layout.component';
@@ -44,7 +43,6 @@ import {
     AppComponent,
     PageComponent,
     SectionComponent,
-    UnitStateComponent,
     PlayerStateComponent,
     LayoutComponent,
     AlertDialogComponent,
diff --git a/projects/player/src/app/components/unit-state/form.component.css b/projects/player/src/app/components/unit-state/form.component.css
deleted file mode 100644
index 8b137891791fe96927ad78e64b0aad7bded08bdc..0000000000000000000000000000000000000000
--- a/projects/player/src/app/components/unit-state/form.component.css
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/projects/player/src/app/components/unit-state/unit-state.component.html b/projects/player/src/app/components/unit-state/unit-state.component.html
deleted file mode 100644
index 71780bd2455521cc8f2e3e3f49c446801a261162..0000000000000000000000000000000000000000
--- a/projects/player/src/app/components/unit-state/unit-state.component.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<form [formGroup]="form">
-    <aspect-player-state [parentForm]="form"
-                         [playerConfig]="playerConfig"
-                         [pages]="pages">
-    </aspect-player-state>
-</form>
diff --git a/projects/player/src/app/components/unit-state/unit-state.component.ts b/projects/player/src/app/components/unit-state/unit-state.component.ts
deleted file mode 100644
index fd8366c094aac5944e036955dcdc1f171a3bb473..0000000000000000000000000000000000000000
--- a/projects/player/src/app/components/unit-state/unit-state.component.ts
+++ /dev/null
@@ -1,169 +0,0 @@
-import {
-  ChangeDetectorRef, Component, Input, OnDestroy, OnInit
-} from '@angular/core';
-import {
-  FormArray, FormBuilder, FormControl, FormGroup
-} from '@angular/forms';
-import { Subject } from 'rxjs';
-import { takeUntil } from 'rxjs/operators';
-import { TranslateService } from '@ngx-translate/core';
-import { VeronaSubscriptionService } from '../../services/verona-subscription.service';
-import { VeronaPostService } from '../../services/verona-post.service';
-import { MessageService } from '../../../../../common/services/message.service';
-import { MetaDataService } from '../../services/meta-data.service';
-import {
-  FormControlElement, FormControlValidators, ChildFormGroup
-} from '../../models/form';
-import {
-  PlayerConfig, Progress, UnitState, VopNavigationDeniedNotification
-} from '../../models/verona';
-import { UnitStateService } from '../../services/unit-state.service';
-import { MediaPlayerService } from '../../services/media-player.service';
-import { Page } from '../../../../../common/interfaces/unit';
-
-@Component({
-  selector: 'aspect-unit-state',
-  templateUrl: './unit-state.component.html'
-})
-export class UnitStateComponent implements OnInit, OnDestroy {
-  @Input() pages: Page[] = [];
-  @Input() playerConfig!: PlayerConfig;
-
-  form!: FormGroup;
-
-  private validationControls: FormControl[] = [];
-  private ngUnsubscribe = new Subject<void>();
-
-  constructor(private formBuilder: FormBuilder,
-              private unitStateService: UnitStateService,
-              private mediaPlayerService: MediaPlayerService,
-              private veronaSubscriptionService: VeronaSubscriptionService,
-              private veronaPostService: VeronaPostService,
-              private messageService: MessageService,
-              private metaDataService: MetaDataService,
-              private translateService: TranslateService,
-              private changeDetectorRef: ChangeDetectorRef) {
-  }
-
-  ngOnInit(): void {
-    this.form = this.formBuilder.group({
-      pages: this.formBuilder.array([])
-    });
-    this.initSubscriptions();
-  }
-
-  private initSubscriptions(): void {
-    // this.formService.groupAdded
-    //   .pipe(takeUntil(this.ngUnsubscribe))
-    //   .subscribe((group: ChildFormGroup): void => this.addGroup(group));
-    // this.formService.controlAdded
-    //   .pipe(takeUntil(this.ngUnsubscribe))
-    //   .subscribe((control: FormControlElement): void => this.addControl(control));
-    // this.formService.validatorsAdded
-    //   .pipe(takeUntil(this.ngUnsubscribe))
-    //   .subscribe((validations: FormControlValidators): void => this.setValidators(validations));
-    this.mediaPlayerService.mediaStatusChanged
-      .pipe(takeUntil(this.ngUnsubscribe))
-      .subscribe((): void => this.onMediaStatusChanged());
-    this.unitStateService.presentedPageAdded
-      .pipe(takeUntil(this.ngUnsubscribe))
-      .subscribe((): void => this.onPresentedPageAdded());
-    this.unitStateService.unitStateElementCodeChanged
-      .pipe(takeUntil(this.ngUnsubscribe))
-      .subscribe((): void => this.onUnitStateElementCodeChanged());
-    this.veronaSubscriptionService.vopNavigationDeniedNotification
-      .pipe(takeUntil(this.ngUnsubscribe))
-      .subscribe((message: VopNavigationDeniedNotification): void => this.onNavigationDenied(message));
-  }
-
-  private get responseProgress(): Progress {
-    if (this.form.valid) {
-      return 'complete';
-    }
-    return this.validationControls.some(control => control.valid) ? 'some' : 'none';
-  }
-
-  private get presentationProgress(): Progress {
-    const mediaStatus = this.mediaPlayerService.mediaStatus;
-    return mediaStatus === this.unitStateService.presentedPagesProgress ? mediaStatus : 'some';
-  }
-
-  private addControl = (control: FormControlElement): void => {
-    control.formGroup.addControl(control.id, control.formControl);
-  };
-
-  private registerValidationControl(control: FormControl): void {
-    if (!this.validationControls.includes(control)) {
-      this.validationControls.push(control);
-    }
-  }
-
-  private setValidators = (validators: FormControlValidators): void => {
-    validators.formGroup.controls[validators.id].setValidators(validators.validators);
-    validators.formGroup.controls[validators.id].updateValueAndValidity();
-    this.registerValidationControl(validators.formGroup.controls[validators.id] as FormControl);
-    this.changeDetectorRef.detectChanges();
-  };
-
-  private onNavigationDenied(message: VopNavigationDeniedNotification): void {
-    // eslint-disable-next-line no-console
-    console.log('player: onNavigationDenied', message);
-    const reasons = message.reason?.map((reason: string) => this.translateService.instant(reason));
-    this.messageService.showWarning(reasons?.join(', ') || this.translateService.instant('noReason'));
-    if (message.reason && message.reason.find(reason => reason === 'responsesIncomplete')) {
-      this.form.markAllAsTouched();
-    }
-  }
-
-  private addGroup = (group: ChildFormGroup): void => {
-    const formArray: FormArray = group.parentForm.get(group.parentArray) as FormArray;
-    if (group.parentArrayIndex < formArray.length) {
-      formArray.insert(group.parentArrayIndex, group.formGroup);
-    } else {
-      formArray.push(group.formGroup);
-    }
-  };
-
-  private onUnitStateElementCodeChanged(): void {
-    // eslint-disable-next-line no-console
-    console.log('player: onUnitStateElementCodeChanged', this.unitStateService.unitStateElementCodes);
-    this.sendVopStateChangedNotification();
-  }
-
-  private onPresentedPageAdded(): void {
-    // eslint-disable-next-line no-console
-    console.log('player: onPresentedPageAdded');
-    this.sendVopStateChangedNotification();
-  }
-
-  private onMediaStatusChanged(): void {
-    // eslint-disable-next-line no-console
-    console.log('player: onMediaStatusChanged', this.mediaPlayerService.mediaStatus);
-    this.sendVopStateChangedNotification();
-  }
-
-  private sendVopStateChangedNotification(): void {
-    // give the form time to change its valid status
-    Promise.resolve().then(() => {
-      // eslint-disable-next-line no-console
-      console.log('player: this.unitStateService.unitStateElementCodes',
-        this.unitStateService.unitStateElementCodes);
-      const unitState: UnitState = {
-        dataParts: {
-          elementCodes: JSON.stringify(this.unitStateService.unitStateElementCodes)
-        },
-        presentationProgress: this.presentationProgress,
-        responseProgress: this.responseProgress,
-        unitStateDataType: 'iqb-standard@1.0'
-      };
-      // eslint-disable-next-line no-console
-      console.log('player: unitState sendVopStateChangedNotification', unitState);
-      this.veronaPostService.sendVopStateChangedNotification({ unitState });
-    });
-  }
-
-  ngOnDestroy(): void {
-    this.ngUnsubscribe.next();
-    this.ngUnsubscribe.complete();
-  }
-}