diff --git a/backend/src/api/utils/openapi.decorator.ts b/backend/src/api/utils/openapi.decorator.ts
index 785a24393..a29b5ad6f 100644
--- a/backend/src/api/utils/openapi.decorator.ts
+++ b/backend/src/api/utils/openapi.decorator.ts
@@ -108,7 +108,7 @@ export const OpenApi = (
           ApiOkResponse({
             description: description ?? okDescription,
             isArray: isArray,
-            type: dto ? (): BaseDto => dto as BaseDto : undefined,
+            type: dto ? (): BaseDto => dto : undefined,
           }),
         );
         break;
@@ -117,7 +117,7 @@ export const OpenApi = (
           ApiCreatedResponse({
             description: description ?? createdDescription,
             isArray: isArray,
-            type: dto ? (): BaseDto => dto as BaseDto : undefined,
+            type: dto ? (): BaseDto => dto : undefined,
           }),
           HttpCode(201),
         );
diff --git a/backend/src/realtime/realtime-note/realtime-user-status-adapter.spec.ts b/backend/src/realtime/realtime-note/realtime-user-status-adapter.spec.ts
index 1cf4c9de0..47ac4757c 100644
--- a/backend/src/realtime/realtime-note/realtime-user-status-adapter.spec.ts
+++ b/backend/src/realtime/realtime-note/realtime-user-status-adapter.spec.ts
@@ -86,7 +86,7 @@ describe('realtime user status adapter', () => {
         clientGuest,
         clientNotReady,
         clientDecline,
-      ].filter((value) => value !== undefined) as RealtimeUserStatusAdapter[];
+      ].filter((value) => value !== undefined);
     }
 
     clientLoggedIn1 = new RealtimeUserStatusAdapter(
diff --git a/backend/src/realtime/realtime-note/realtime-user-status-adapter.ts b/backend/src/realtime/realtime-note/realtime-user-status-adapter.ts
index fef3f7983..7e9b38e31 100644
--- a/backend/src/realtime/realtime-note/realtime-user-status-adapter.ts
+++ b/backend/src/realtime/realtime-note/realtime-user-status-adapter.ts
@@ -116,7 +116,7 @@ export class RealtimeUserStatusAdapter {
     const realtimeUsers = this.collectOtherAdapters()
       .filter((adapter) => adapter !== this)
       .map((adapter) => adapter.getSendableState())
-      .filter((value) => value !== undefined) as RealtimeUser[];
+      .filter((value) => value !== undefined);
 
     this.messageTransporter.sendMessage({
       type: MessageType.REALTIME_USER_STATE_SET,
diff --git a/frontend/src/components/editor-page/editor-pane/codemirror-extensions/remote-cursors/cursor-layers-extensions.ts b/frontend/src/components/editor-page/editor-pane/codemirror-extensions/remote-cursors/cursor-layers-extensions.ts
index ad1b3de1c..12b0bb3e3 100644
--- a/frontend/src/components/editor-page/editor-pane/codemirror-extensions/remote-cursors/cursor-layers-extensions.ts
+++ b/frontend/src/components/editor-page/editor-pane/codemirror-extensions/remote-cursors/cursor-layers-extensions.ts
@@ -38,7 +38,7 @@ export const remoteCursorStateField = StateField.define<RemoteCursor[]>({
   },
   update(currentValue: RemoteCursor[], transaction: Transaction): RemoteCursor[] {
     return Optional.ofNullable(transaction.effects.find((effect) => effect.is(remoteCursorUpdateEffect)))
-      .map((remoteCursor) => remoteCursor.value as RemoteCursor[])
+      .map((remoteCursor) => remoteCursor.value)
       .orElse(currentValue)
   }
 })