diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index c4264890d19..26ae87ad0bf 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -4235,7 +4235,6 @@ export class PokemonBattleData {
   public berriesEaten: BerryType[] = [];
   public abilitiesApplied: Abilities[] = [];
   public abilityRevealed: boolean = false;
-  public statsBoostedFirstTurn: boolean = false;
 }
 
 export class PokemonBattleSummonData {