diff --git a/backend/app/models/event.py b/backend/app/models/event.py
index 52a3c2c..0523e08 100644
--- a/backend/app/models/event.py
+++ b/backend/app/models/event.py
@@ -76,8 +76,8 @@ class Event(mixin.RowId, EventBase, table=True):
     # --- back_populates links -------------------------------------------------
 
     # --- many-to-many links ---------------------------------------------------
-    user_links: list["EventUserLink"] = Relationship(back_populates="event")
-    team_links: list["Team"] = Relationship(back_populates="event")
+    user_links: list["EventUserLink"] = Relationship(back_populates="event", cascade_delete=True)
+    team_links: list["Team"] = Relationship(back_populates="event", cascade_delete=True)
 
     # --- CRUD actions ---------------------------------------------------------
     @classmethod
diff --git a/backend/app/tests/api/routes/test_events.py b/backend/app/tests/api/routes/test_events.py
index 1c0d95d..4b87563 100644
--- a/backend/app/tests/api/routes/test_events.py
+++ b/backend/app/tests/api/routes/test_events.py
@@ -4,7 +4,9 @@ from fastapi.testclient import TestClient
 from sqlmodel import Session
 
 from app.core.config import settings
+from app.models.user import PermissionRight
 from app.tests.utils.event import create_random_event
+from app.tests.utils.user import create_random_user, authentication_token_from_user
 
 
 def test_create_event(client: TestClient, superuser_token_headers: dict[str, str]) -> None:
@@ -169,10 +171,55 @@ def test_delete_event_not_enough_permissions(
     assert content["detail"] == "Not enough permissions"
 
 
+def test_delete_event_admin_user(
+    client: TestClient, db: Session
+) -> None:
+    event = create_random_event(db)
+    user = create_random_user(db)
+    event.add_user(user=user, rights=PermissionRight.ADMIN, session=db)
+
+    response = client.delete(
+        f"{settings.API_V1_STR}/events/{event.id}",
+        headers=authentication_token_from_user(db=db, user=user, client=client),
+    )
+    assert response.status_code == 200
+    content = response.json()
+    assert content["message"] == "Event deleted successfully"
+
+
+def test_delete_event_not_enough_permissions_for_this_event(
+    client: TestClient, db: Session
+) -> None:
+    event = create_random_event(db)
+    user = create_random_user(db)
+
+    response = client.delete(
+        f"{settings.API_V1_STR}/events/{event.id}",
+        headers=authentication_token_from_user(db=db, user=user, client=client),
+    )
+    assert response.status_code == 400
+    content = response.json()
+    assert content["detail"] == "Not enough permissions"
+
+
+def test_delete_event_event_user_read_only_rights(
+    client: TestClient, db: Session
+) -> None:
+    event = create_random_event(db)
+    user = create_random_user(db)
+    event.add_user(user=user, rights=PermissionRight.READ, session=db)
+
+    response = client.delete(
+        f"{settings.API_V1_STR}/events/{event.id}",
+        headers=authentication_token_from_user(db=db, user=user, client=client),
+    )
+    assert response.status_code == 400
+    content = response.json()
+    assert content["detail"] == "Not enough permissions"
+
+
 # TODO: Add user (super, less rights, own rights, more rights) (*** user without rights)
 # TODO: Edit user rights (super, less rights, own rights, more rights) (*** user without rights)
 # TODO: Remove user (*** user without rights)
 # TODO: Remove own user (is allowed)
 # TODO: Remove not linked user
-# TODO: Remove event when no rights
-# TODO: Remove event when READ rights
diff --git a/backend/app/tests/utils/user.py b/backend/app/tests/utils/user.py
index ee5b0ed..6b84198 100644
--- a/backend/app/tests/utils/user.py
+++ b/backend/app/tests/utils/user.py
@@ -46,3 +46,20 @@ def authentication_token_from_email(
         user = User.update(session=db, db_obj=user, in_obj=user_in_update)
 
     return user_authentication_headers(client=client, email=email, password=password)
+
+
+def authentication_token_from_user(
+    *, client: TestClient, user: User, db: Session
+) -> dict[str, str]:
+    """
+    Return a valid token for the user with given email.
+
+    If the user doesn't exist it is created first.
+    """
+    password = random_lower_string()
+    user_in_update = UserUpdate(password=password)
+    if not user.id:
+        raise Exception("User id not set")
+    user = User.update(session=db, db_obj=user, in_obj=user_in_update)
+
+    return user_authentication_headers(client=client, email=str(user.email), password=password)