diff --git a/src/data/energy.ts b/src/data/energy.ts
index 9674eaabac..03045e3fe5 100644
--- a/src/data/energy.ts
+++ b/src/data/energy.ts
@@ -469,7 +469,7 @@ const getEnergyData = async (
     | Promise<FossilEnergyConsumption>;
   let _fossilEnergyConsumptionCompare:
     | undefined
-    | Promise<FossilEnergyConsumption> = Promise.resolve(undefined);
+    | Promise<FossilEnergyConsumption>;
   if (co2SignalEntity !== undefined) {
     _fossilEnergyConsumption = getFossilEnergyConsumption(
       hass!,