diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index bbc74ee13e3..6b8f183e94a 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -41,7 +41,6 @@ import { Moves } from "#enums/moves";
 import { PlayerGender } from "#enums/player-gender";
 import { Species } from "#enums/species";
 import { applyChallenges, ChallengeType } from "#app/data/challenge.js";
-import { Abilities } from "#app/enums/abilities.js";
 
 export const defaultStarterSpecies: Species[] = [
   Species.BULBASAUR, Species.CHARMANDER, Species.SQUIRTLE,
@@ -852,14 +851,6 @@ export class GameData {
       const handleSessionData = async (sessionDataStr: string) => {
         try {
           const sessionData = this.parseSessionData(sessionDataStr);
-          for (let i = 0; i <= 5; i++) {
-            const speciesToCheck = getPokemonSpecies(sessionData.party[i]?.species);
-            if (sessionData.party[i]?.abilityIndex === 1) {
-              if (speciesToCheck.ability1 === speciesToCheck.ability2 && speciesToCheck.abilityHidden !== Abilities.NONE && speciesToCheck.abilityHidden !== speciesToCheck.ability1) {
-                sessionData.party[i].abilityIndex = 2;
-              }
-            }
-          }
           resolve(sessionData);
         } catch (err) {
           reject(err);