diff --git a/api/app/account/schemas.py b/api/app/account/schemas.py
index a31ca58..fb10721 100644
--- a/api/app/account/schemas.py
+++ b/api/app/account/schemas.py
@@ -62,8 +62,6 @@ class CategoryWrite(BaseAccountWrite):
             }
         }
     })
-    opening_date: date = date(1970, 1, 1)
-    opening_balance: Decimal = 0
 
 class CategoryCreate(CategoryWrite):
     pass