diff --git a/src/phases/encounter-phase.ts b/src/phases/encounter-phase.ts
index 42a172ae00e..f4b4ef1e811 100644
--- a/src/phases/encounter-phase.ts
+++ b/src/phases/encounter-phase.ts
@@ -222,9 +222,9 @@ export class EncounterPhase extends BattlePhase {
           if (enemyPokemon) {
             const bossMBH = this.scene.findModifier(m => m instanceof TurnHeldItemTransferModifier && m.pokemonId === enemyPokemon.id, false) as TurnHeldItemTransferModifier;
             if (bossMBH) {
-              this.scene.removeModifier(bossMBH!);
+              this.scene.removeModifier(bossMBH);
               bossMBH?.setTransferrableFalse();
-              this.scene.addEnemyModifier(bossMBH!);
+              this.scene.addEnemyModifier(bossMBH);
             }
           }
         }