diff --git a/src/backend/langflow/services/database/models/api_key/api_key.py b/src/backend/langflow/services/database/models/api_key/api_key.py
index 0f0d2f889..35aa6c7a9 100644
--- a/src/backend/langflow/services/database/models/api_key/api_key.py
+++ b/src/backend/langflow/services/database/models/api_key/api_key.py
@@ -26,7 +26,6 @@ class ApiKey(ApiKeyBase, table=True):
     user_id: UUID = Field(index=True, foreign_key="user.id")
     user: "User" = Relationship(
         back_populates="api_keys",
-        sa_relationship_kwargs={"cascade": "delete"},
     )
 
 
diff --git a/src/backend/langflow/services/database/models/user/user.py b/src/backend/langflow/services/database/models/user/user.py
index 5d751d080..5f2f3e1c4 100644
--- a/src/backend/langflow/services/database/models/user/user.py
+++ b/src/backend/langflow/services/database/models/user/user.py
@@ -21,7 +21,10 @@ class User(SQLModelSerializable, table=True):
     create_at: datetime = Field(default_factory=datetime.utcnow)
     updated_at: datetime = Field(default_factory=datetime.utcnow)
     last_login_at: Optional[datetime] = Field()
-    api_keys: list["ApiKey"] = Relationship(back_populates="user")
+    api_keys: list["ApiKey"] = Relationship(
+        back_populates="user",
+        sa_relationship_kwargs={"cascade": "delete"},
+    )
     flows: list["Flow"] = Relationship(back_populates="user")