diff --git a/backend/.idea/workspace.xml b/backend/.idea/workspace.xml
index 5f433da..e461dea 100644
--- a/backend/.idea/workspace.xml
+++ b/backend/.idea/workspace.xml
@@ -4,9 +4,8 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="3a869f59-290a-4ab2-b036-a878ce801bc4" name="Changes" comment="List missed Schedules">
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/missed-schedules/missed-schedules.component.html" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/missed-schedules/missed-schedules.component.html" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/missed-schedules/missed-schedules.component.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/missed-schedules/missed-schedules.component.ts" afterDir="false" />
+    <list default="true" id="3a869f59-290a-4ab2-b036-a878ce801bc4" name="Changes" comment="Forget single schedule">
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/api/controller/ScheduleController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/api/controller/ScheduleController.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -251,7 +250,15 @@
       <option name="project" value="LOCAL" />
       <updated>1698570969924</updated>
     </task>
-    <option name="localTasksCounter" value="19" />
+    <task id="LOCAL-00019" summary="Forget single schedule">
+      <option name="closed" value="true" />
+      <created>1698573369764</created>
+      <option name="number" value="00019" />
+      <option name="presentableId" value="LOCAL-00019" />
+      <option name="project" value="LOCAL" />
+      <updated>1698573369764</updated>
+    </task>
+    <option name="localTasksCounter" value="20" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -277,7 +284,8 @@
     <MESSAGE value="Load worked minutes when reloading dashboard" />
     <MESSAGE value="Check if there is another active schedule when starting task now" />
     <MESSAGE value="List missed Schedules" />
-    <option name="LAST_COMMIT_MESSAGE" value="List missed Schedules" />
+    <MESSAGE value="Forget single schedule" />
+    <option name="LAST_COMMIT_MESSAGE" value="Forget single schedule" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
diff --git a/backend/src/main/java/core/api/controller/ScheduleController.java b/backend/src/main/java/core/api/controller/ScheduleController.java
index 34f0d79..f47b2c4 100644
--- a/backend/src/main/java/core/api/controller/ScheduleController.java
+++ b/backend/src/main/java/core/api/controller/ScheduleController.java
@@ -231,4 +231,25 @@ public class ScheduleController {
         List<BasicTaskSchedule> schedules = taskScheduleService.loadMissedSchedules(user.get());
         return ResponseEntity.ok(schedules.stream().map(ScheduleInfo::new).toList());
     }
+
+    @DeleteMapping("/schedules/{scheduleIDs}/all")
+    public ResponseEntity<?> deleteSchedules(@PathVariable long[] scheduleIDs) {
+        List<BasicTaskSchedule> schedulesToDelete = new LinkedList<>();
+        for(long scheduleID: scheduleIDs) {
+            PermissionResult<BasicTaskSchedule> permissionResult = taskScheduleService.getSchedulePermissions(scheduleID, SecurityContextHolder.getContext().getAuthentication().getName());
+            if(!permissionResult.isHasPermissions()) {
+                return ResponseEntity.status(403).body(new SimpleStatusResponse("failed"));
+            }
+
+            if(permissionResult.getExitCode() == ServiceExitCode.MISSING_ENTITY) {
+               return ResponseEntity.status(404).body(new SimpleStatusResponse("failed"));
+            }
+            schedulesToDelete.add(permissionResult.getResult());
+        }
+
+        for(BasicTaskSchedule schedule : schedulesToDelete) {
+            this.taskScheduleService.deleteBasicSchedule(schedule);
+        }
+        return ResponseEntity.ok(new SimpleStatusResponse("success"));
+    }
 }
diff --git a/frontend/src/api/api/schedule.service.ts b/frontend/src/api/api/schedule.service.ts
index 688885f..e19c1ef 100644
--- a/frontend/src/api/api/schedule.service.ts
+++ b/frontend/src/api/api/schedule.service.ts
@@ -512,6 +512,65 @@ export class ScheduleService {
         );
     }
 
+    /**
+     * deletes multiple schedules
+     * deletes multiple schedules at once
+     * @param scheduleIDs internal ids of schedules to delete
+     * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
+     * @param reportProgress flag to report request and response progress.
+     */
+    public schedulesScheduleIDsAllDelete(scheduleIDs: Array<number>, observe?: 'body', reportProgress?: boolean, options?: {httpHeaderAccept?: 'application/json', context?: HttpContext}): Observable<Array<SimpleStatusResponse>>;
+    public schedulesScheduleIDsAllDelete(scheduleIDs: Array<number>, observe?: 'response', reportProgress?: boolean, options?: {httpHeaderAccept?: 'application/json', context?: HttpContext}): Observable<HttpResponse<Array<SimpleStatusResponse>>>;
+    public schedulesScheduleIDsAllDelete(scheduleIDs: Array<number>, observe?: 'events', reportProgress?: boolean, options?: {httpHeaderAccept?: 'application/json', context?: HttpContext}): Observable<HttpEvent<Array<SimpleStatusResponse>>>;
+    public schedulesScheduleIDsAllDelete(scheduleIDs: Array<number>, observe: any = 'body', reportProgress: boolean = false, options?: {httpHeaderAccept?: 'application/json', context?: HttpContext}): Observable<any> {
+        if (scheduleIDs === null || scheduleIDs === undefined) {
+            throw new Error('Required parameter scheduleIDs was null or undefined when calling schedulesScheduleIDsAllDelete.');
+        }
+
+        let localVarHeaders = this.defaultHeaders;
+
+        let localVarCredential: string | undefined;
+        // authentication (API_TOKEN) required
+        localVarCredential = this.configuration.lookupCredential('API_TOKEN');
+        if (localVarCredential) {
+            localVarHeaders = localVarHeaders.set('Authorization', 'Bearer ' + localVarCredential);
+        }
+
+        let localVarHttpHeaderAcceptSelected: string | undefined = options && options.httpHeaderAccept;
+        if (localVarHttpHeaderAcceptSelected === undefined) {
+            // to determine the Accept header
+            const httpHeaderAccepts: string[] = [
+                'application/json'
+            ];
+            localVarHttpHeaderAcceptSelected = this.configuration.selectHeaderAccept(httpHeaderAccepts);
+        }
+        if (localVarHttpHeaderAcceptSelected !== undefined) {
+            localVarHeaders = localVarHeaders.set('Accept', localVarHttpHeaderAcceptSelected);
+        }
+
+        let localVarHttpContext: HttpContext | undefined = options && options.context;
+        if (localVarHttpContext === undefined) {
+            localVarHttpContext = new HttpContext();
+        }
+
+
+        let responseType_: 'text' | 'json' = 'json';
+        if(localVarHttpHeaderAcceptSelected && localVarHttpHeaderAcceptSelected.startsWith('text')) {
+            responseType_ = 'text';
+        }
+
+        return this.httpClient.delete<Array<SimpleStatusResponse>>(`${this.configuration.basePath}/schedules/${encodeURIComponent(String(scheduleIDs))}/all`,
+            {
+                context: localVarHttpContext,
+                responseType: <any>responseType_,
+                withCredentials: this.configuration.withCredentials,
+                headers: localVarHeaders,
+                observe: observe,
+                reportProgress: reportProgress
+            }
+        );
+    }
+
     /**
      * get number of active minutes
      * get number of worked minutes today
diff --git a/frontend/src/app/app.module.ts b/frontend/src/app/app.module.ts
index 051dbee..8bf5716 100644
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -70,6 +70,7 @@ import { TaskOverviewComponent } from './dashboard/task-overview/task-overview.c
 import { ForgottenTaskStartDialogComponent } from './dashboard/forgotten-task-start-dialog/forgotten-task-start-dialog.component';
 import {MatAutocompleteModule} from "@angular/material/autocomplete";
 import { MissedSchedulesComponent } from './missed-schedules/missed-schedules.component';
+import { MissedScheduleForgetConfirmationDialogComponent } from './missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component';
 @NgModule({
   declarations: [
     AppComponent,
@@ -102,7 +103,8 @@ import { MissedSchedulesComponent } from './missed-schedules/missed-schedules.co
     TaskgroupOverviewComponent,
     TaskOverviewComponent,
     ForgottenTaskStartDialogComponent,
-    MissedSchedulesComponent
+    MissedSchedulesComponent,
+    MissedScheduleForgetConfirmationDialogComponent
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.css b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.html b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.html
new file mode 100644
index 0000000..e63b692
--- /dev/null
+++ b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.html
@@ -0,0 +1,9 @@
+<h1 mat-dialog-title>Forget All Missed Schedules </h1>
+<div mat-dialog-content>
+  <p>Are you sure you want to forget all missed schedules? This would delete <b>{{this.missedSchedules.length}}</b> schedules.</p>
+  <p>This <b>cannot</b> be undone!</p>
+</div>
+<div mat-dialog-actions align="end">
+  <button mat-raised-button (click)="cancel()">Cancel</button>
+  <button mat-raised-button color="warn" (click)="confirm()">Confirm</button>
+</div>
diff --git a/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.spec.ts b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.spec.ts
new file mode 100644
index 0000000..547e00c
--- /dev/null
+++ b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.spec.ts
@@ -0,0 +1,21 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MissedScheduleForgetConfirmationDialogComponent } from './missed-schedule-forget-confirmation-dialog.component';
+
+describe('MissedScheduleForgetConfirmationDialogComponent', () => {
+  let component: MissedScheduleForgetConfirmationDialogComponent;
+  let fixture: ComponentFixture<MissedScheduleForgetConfirmationDialogComponent>;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [MissedScheduleForgetConfirmationDialogComponent]
+    });
+    fixture = TestBed.createComponent(MissedScheduleForgetConfirmationDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.ts b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.ts
new file mode 100644
index 0000000..afe941c
--- /dev/null
+++ b/frontend/src/app/missed-schedules/missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component.ts
@@ -0,0 +1,40 @@
+import {Component, Inject} from '@angular/core';
+import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
+import {ScheduleInfo, ScheduleService} from "../../../api";
+import {MatSnackBar} from "@angular/material/snack-bar";
+
+@Component({
+  selector: 'app-missed-schedule-forget-confirmation-dialog',
+  templateUrl: './missed-schedule-forget-confirmation-dialog.component.html',
+  styleUrls: ['./missed-schedule-forget-confirmation-dialog.component.css']
+})
+export class MissedScheduleForgetConfirmationDialogComponent {
+
+  constructor(@Inject(MAT_DIALOG_DATA) public missedSchedules: ScheduleInfo[],
+              private dialogRef: MatDialogRef<MissedScheduleForgetConfirmationDialogComponent>,
+              private scheduleService: ScheduleService,
+              private snackbar: MatSnackBar) {
+  }
+
+
+  cancel() {
+    this.dialogRef.close();
+  }
+
+  confirm() {
+    this.scheduleService.schedulesScheduleIDsAllDelete(this.missedSchedules.map(schedule => schedule.scheduleID)).subscribe({
+      next: resp => {
+        this.dialogRef.close(resp);
+      },
+      error: err => {
+        if(err.status == 403) {
+          this.snackbar.open("No permission", "", {duration: 2000});
+        } else if(err.status == 404) {
+          this.snackbar.open("Not found", "", {duration: 2000});
+        } else {
+          this.snackbar.open("Unexpected error", "", {duration: 2000});
+        }
+      }
+    })
+  }
+}
diff --git a/frontend/src/app/missed-schedules/missed-schedules.component.html b/frontend/src/app/missed-schedules/missed-schedules.component.html
index d4d7741..b903459 100644
--- a/frontend/src/app/missed-schedules/missed-schedules.component.html
+++ b/frontend/src/app/missed-schedules/missed-schedules.component.html
@@ -15,5 +15,5 @@
       </div>
     </mat-card-content>
   </mat-card>
-  <button mat-raised-button color="warn" class="forget-all-btn"><mat-icon>delete</mat-icon>Forget All</button>
+  <button mat-raised-button color="warn" class="forget-all-btn" *ngIf="missedSchedules.length > 0" (click)="forgetAllSchedules()"><mat-icon>delete</mat-icon>Forget All</button>
 </div>
diff --git a/frontend/src/app/missed-schedules/missed-schedules.component.ts b/frontend/src/app/missed-schedules/missed-schedules.component.ts
index 0501267..3cf1baf 100644
--- a/frontend/src/app/missed-schedules/missed-schedules.component.ts
+++ b/frontend/src/app/missed-schedules/missed-schedules.component.ts
@@ -2,6 +2,10 @@ import {Component, OnInit} from '@angular/core';
 import {ScheduleInfo, ScheduleService} from "../../api";
 import {NavigationLink} from "../navigation-link-list/navigation-link-list.component";
 import {MatSnackBar} from "@angular/material/snack-bar";
+import {MatDialog} from "@angular/material/dialog";
+import {
+  MissedScheduleForgetConfirmationDialogComponent
+} from "./missed-schedule-forget-confirmation-dialog/missed-schedule-forget-confirmation-dialog.component";
 
 @Component({
   selector: 'app-missed-schedules',
@@ -22,7 +26,8 @@ export class MissedSchedulesComponent implements OnInit{
     }
   ]
   constructor(private scheduleService: ScheduleService,
-              private snackbar: MatSnackBar) {
+              private snackbar: MatSnackBar,
+              private dialog: MatDialog) {
   }
 
   ngOnInit() {
@@ -49,4 +54,13 @@ export class MissedSchedulesComponent implements OnInit{
       }
     })
   }
+
+  forgetAllSchedules() {
+    const dialogRef = this.dialog.open(MissedScheduleForgetConfirmationDialogComponent, {data: this.missedSchedules, width: "400px"});
+    dialogRef.afterClosed().subscribe(res => {
+      if(res != undefined) {
+        this.missedSchedules = [];
+      }
+    })
+  }
 }
diff --git a/openapi.yaml b/openapi.yaml
index 1ddeaca..0f59d2e 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -1717,7 +1717,44 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/SimpleStatusResponse'
-
+  /schedules/{scheduleIDs}/all:
+    delete:
+      security: 
+        - API_TOKEN: []
+      tags:
+        - schedule
+      description: deletes multiple schedules at once
+      summary: deletes multiple schedules
+      parameters:
+        - name: scheduleIDs
+          in: path
+          description: internal ids of schedules to delete
+          required: true
+          schema:
+            type: array
+            items:
+              type: number
+      responses:
+        200:
+          description: Operation successfull
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/SimpleStatusResponse'
+        403:
+          description: No permission
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/SimpleStatusResponse'
+        404:
+          description: Schedule not found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/SimpleStatusResponse'
 components:
   securitySchemes:
    API_TOKEN: