diff --git a/data/abilities.ts b/data/abilities.ts
index 8048f5204e6c..07961e07fd5d 100644
--- a/data/abilities.ts
+++ b/data/abilities.ts
@@ -852,8 +852,8 @@ export const Abilities: import('../sim/dex-abilities').AbilityDataTable = {
 	},
 	dauntlessshield: {
 		onStart(pokemon) {
-			if (pokemon.shieldBoost) return;
-			pokemon.shieldBoost = true;
+			if (pokemon.abilityState.shieldBoost) return;
+			pokemon.abilityState.shieldBoost = true;
 			this.boost({def: 1}, pokemon);
 		},
 		flags: {},
@@ -2170,8 +2170,8 @@ export const Abilities: import('../sim/dex-abilities').AbilityDataTable = {
 	},
 	intrepidsword: {
 		onStart(pokemon) {
-			if (pokemon.swordBoost) return;
-			pokemon.swordBoost = true;
+			if (pokemon.abilityState.swordBoost) return;
+			pokemon.abilityState.swordBoost = true;
 			this.boost({atk: 1}, pokemon);
 		},
 		flags: {},
@@ -4623,8 +4623,8 @@ export const Abilities: import('../sim/dex-abilities').AbilityDataTable = {
 	},
 	supersweetsyrup: {
 		onStart(pokemon) {
-			if (pokemon.syrupTriggered) return;
-			pokemon.syrupTriggered = true;
+			if (pokemon.abilityState.syrupTriggered) return;
+			pokemon.abilityState.syrupTriggered = true;
 			this.add('-ability', pokemon, 'Supersweet Syrup');
 			for (const target of pokemon.adjacentFoes()) {
 				if (target.volatiles['substitute']) {
diff --git a/sim/pokemon.ts b/sim/pokemon.ts
index bb954c86b7d5..da44345f73ea 100644
--- a/sim/pokemon.ts
+++ b/sim/pokemon.ts
@@ -239,9 +239,6 @@ export class Pokemon {
 	previouslySwitchedIn: number;
 	truantTurn: boolean;
 	// Gen 9 only
-	swordBoost: boolean;
-	shieldBoost: boolean;
-	syrupTriggered: boolean;
 	stellarBoostedTypes: string[];
 
 	/** Have this pokemon's Start events run yet? (Start events run every switch-in) */