diff --git a/apps/api/app/api/routes/titles.py b/apps/api/app/api/routes/titles.py
index 5c4bdd3ca..c532e8f46 100644
--- a/apps/api/app/api/routes/titles.py
+++ b/apps/api/app/api/routes/titles.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from typing import Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Query, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
 
 from app.auth import AuthenticatedUser, get_current_user
 from app.dependencies import get_db_session, get_user_repository
@@ -142,14 +142,15 @@ def update_title(
     return _to_response(item)
 
 
-@router.delete("/{title_id}", status_code=status.HTTP_204_NO_CONTENT)
+@router.delete("/{title_id}", status_code=status.HTTP_204_NO_CONTENT, response_class=Response)
 def delete_title(
     title_id: str,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
     title_repository: SQLAlchemyTitleLibraryRepository = Depends(_get_title_repository),
-) -> None:
+) -> Response:
     user_id = authenticated_user.user.id
     use_case = DeleteTitleLibraryUseCase(title_repository)
     deleted = use_case.execute(title_id, user_id)
     if not deleted:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Title not found")
+    return Response(status_code=204)
diff --git a/apps/api/app/api/routes/voices.py b/apps/api/app/api/routes/voices.py
index fba24a7b5..7851ea02c 100644
--- a/apps/api/app/api/routes/voices.py
+++ b/apps/api/app/api/routes/voices.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from typing import Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Query, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
 
 from app.auth import AuthenticatedUser, get_current_user
 from app.dependencies import get_db_session, get_user_repository
@@ -157,14 +157,15 @@ def update_voice(
     return _to_response(item)
 
 
-@router.delete("/{voice_id}", status_code=status.HTTP_204_NO_CONTENT)
+@router.delete("/{voice_id}", status_code=status.HTTP_204_NO_CONTENT, response_class=Response)
 def delete_voice(
     voice_id: str,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
     voice_repository: SQLAlchemyVoiceLibraryRepository = Depends(_get_voice_repository),
-) -> None:
+) -> Response:
     user_id = authenticated_user.user.id
     use_case = DeleteVoiceLibraryUseCase(voice_repository)
     deleted = use_case.execute(voice_id, user_id)
     if not deleted:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Voice not found")
+    return Response(status_code=204)