diff --git a/mediarepo-ui/src/app/components/core/core.module.ts b/mediarepo-ui/src/app/components/core/core.module.ts
index d7b8933..daecd0a 100644
--- a/mediarepo-ui/src/app/components/core/core.module.ts
+++ b/mediarepo-ui/src/app/components/core/core.module.ts
@@ -13,13 +13,14 @@ import {MatProgressBarModule} from "@angular/material/progress-bar";
 import {ScrollingModule} from "@angular/cdk/scrolling";
 import {MatTabsModule} from "@angular/material/tabs";
 import {FlexModule} from "@angular/flex-layout";
-import {MatOptionModule} from "@angular/material/core";
+import {MatOptionModule, MatRippleModule} from "@angular/material/core";
 import {MatSelectModule} from "@angular/material/select";
 import {MatCheckboxModule} from "@angular/material/checkbox";
 import {SharedModule} from "../shared/shared.module";
 import {MatDividerModule} from "@angular/material/divider";
 import {NgIconsModule} from "@ng-icons/core";
 import * as materialIcons from "@ng-icons/material-icons";
+import {MatMenuModule} from "@angular/material/menu";
 
 
 @NgModule({
@@ -49,6 +50,8 @@ import * as materialIcons from "@ng-icons/material-icons";
     NgIconsModule.withIcons({...materialIcons}),
     FlexModule,
     MatButtonModule,
+    MatMenuModule,
+    MatRippleModule,
   ]
 })
 export class CoreModule {
diff --git a/mediarepo-ui/src/app/components/shared/file-edit/file-edit.component.html b/mediarepo-ui/src/app/components/shared/file-edit/file-edit.component.html
index 17ab6ea..6b5d899 100644
--- a/mediarepo-ui/src/app/components/shared/file-edit/file-edit.component.html
+++ b/mediarepo-ui/src/app/components/shared/file-edit/file-edit.component.html
@@ -29,7 +29,7 @@
     </div>
     <mat-form-field appearance="fill" class="form-field-mode">
       <mat-label>Mode</mat-label>
-      <mat-select #modeSelect [(value)]="editMode">
+      <mat-select [(value)]="editMode">
         <mat-option value="Toggle">Toggle</mat-option>
         <mat-option value="Add">Add</mat-option>
         <mat-option value="Remove">Remove</mat-option>
diff --git a/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid-entry/file-grid-entry.component.ts b/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid-entry/file-grid-entry.component.ts
index 92743db..2c7ee3d 100644
--- a/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid-entry/file-grid-entry.component.ts
+++ b/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid-entry/file-grid-entry.component.ts
@@ -31,7 +31,7 @@ export class FileGridEntryComponent implements OnInit, OnChanges {
   private cachedFile: File | undefined;
   private urlSetTimeout: number | undefined;
 
-  constructor(private fileService: FileService, private errorBroker: ErrorBrokerService) {
+  constructor(private fileService: FileService) {
   }
 
   async ngOnInit() {
diff --git a/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid.component.ts b/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid.component.ts
index 0309e6f..ba3fe12 100644
--- a/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid.component.ts
+++ b/mediarepo-ui/src/app/components/shared/file-multiview/file-grid/file-grid.component.ts
@@ -68,8 +68,6 @@ export class FileGridComponent implements OnChanges, OnInit {
    * @param {FileGridEntryComponent} clickedEntry
    */
   setSelectedFile(clickedEntry: GridEntry) {
-    const previousSelectionSize = this.selectedEntries.length;
-
     if (!(this.shiftClicked || this.ctrlClicked) && this.selectedEntries.length > 0) {
       this.selectedEntries.forEach(entry => {
         if (entry !== clickedEntry) entry.selected = false
diff --git a/mediarepo-ui/src/app/components/shared/file-search/filter-dialog/tag-filter-list-item/tag-filter-list-item.component.ts b/mediarepo-ui/src/app/components/shared/file-search/filter-dialog/tag-filter-list-item/tag-filter-list-item.component.ts
index 68d644d..7954735 100644
--- a/mediarepo-ui/src/app/components/shared/file-search/filter-dialog/tag-filter-list-item/tag-filter-list-item.component.ts
+++ b/mediarepo-ui/src/app/components/shared/file-search/filter-dialog/tag-filter-list-item/tag-filter-list-item.component.ts
@@ -29,7 +29,7 @@ export class TagFilterListItemComponent implements OnChanges {
 
   public selectedIndices: number[] = [];
 
-  constructor(private changeDetector: ChangeDetectorRef) {
+  constructor() {
   }
 
   public ngOnChanges(changes: SimpleChanges): void {
diff --git a/mediarepo-ui/src/app/models/Selectable.ts b/mediarepo-ui/src/app/models/Selectable.ts
index f522b18..198964e 100644
--- a/mediarepo-ui/src/app/models/Selectable.ts
+++ b/mediarepo-ui/src/app/models/Selectable.ts
@@ -9,8 +9,4 @@ export class Selectable<T> {
   public unselect() {
     this.selected = false;
   }
-
-  public toggle() {
-    this.selected = !this.selected;
-  }
 }