diff --git a/tesla_fleet_api/energyspecific.py b/tesla_fleet_api/energyspecific.py
index a2dbb21..ea7eea1 100644
--- a/tesla_fleet_api/energyspecific.py
+++ b/tesla_fleet_api/energyspecific.py
@@ -29,7 +29,7 @@ async def backup(self, backup_reserve_percent: int) -> dict[str, Any]:
 
     async def backup_history(
         self,
-        period: TeslaEnergyPeriod | str | None,
+        period: TeslaEnergyPeriod | str,
         start_date: str | None = None,
         end_date: str | None = None,
         time_zone: str | None = None,
@@ -59,7 +59,7 @@ async def charge_history(
 
     async def energy_history(
         self,
-        period: TeslaEnergyPeriod | str | None,
+        period: TeslaEnergyPeriod | str,
         start_date: str | None = None,
         end_date: str | None = None,
         time_zone: str | None = None,