diff --git a/src/battle_controllers.c b/src/battle_controllers.c
index 14b39bbb1f..47bb0b37ee 100644
--- a/src/battle_controllers.c
+++ b/src/battle_controllers.c
@@ -1381,7 +1381,7 @@ static u32 GetBattlerMonData(u32 battler, struct Pokemon *party, u32 monId, u8 *
             u32 side = GetBattlerSide(battler);
             u32 partyIndex = gBattlerPartyIndexes[battler];
             if (TestRunner_Battle_GetForcedAbility(side, partyIndex))
-                gBattleMons[battler].ability = gDisableStructs[battler].overwrittenAbility = TestRunner_Battle_GetForcedAbility(side, partyIndex);
+                gBattleMons[battler].ability = TestRunner_Battle_GetForcedAbility(side, partyIndex);
         }
         #endif
         break;
diff --git a/src/battle_main.c b/src/battle_main.c
index 22c27ea460..3405f8844e 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -3274,7 +3274,7 @@ void SwitchInClearSetData(u32 battler, struct Volatiles *volatilesCopy)
         u32 side = GetBattlerSide(battler);
         u32 partyIndex = gBattlerPartyIndexes[battler];
         if (TestRunner_Battle_GetForcedAbility(side, partyIndex))
-            gBattleMons[i].ability = gDisableStructs[i].overwrittenAbility = TestRunner_Battle_GetForcedAbility(side, partyIndex);
+            gBattleMons[i].ability = TestRunner_Battle_GetForcedAbility(side, partyIndex);
     }
     #endif // TESTING
 
@@ -3485,7 +3485,7 @@ static void DoBattleIntro(void)
                     u32 side = GetBattlerSide(battler);
                     u32 partyIndex = gBattlerPartyIndexes[battler];
                     if (TestRunner_Battle_GetForcedAbility(side, partyIndex))
-                        gBattleMons[battler].ability = gDisableStructs[battler].overwrittenAbility = TestRunner_Battle_GetForcedAbility(side, partyIndex);
+                        gBattleMons[battler].ability = TestRunner_Battle_GetForcedAbility(side, partyIndex);
                 }
                 #endif
             }
@@ -3781,7 +3781,7 @@ static void TryDoEventsBeforeFirstTurn(void)
                 u32 side = GetBattlerSide(i);
                 u32 partyIndex = gBattlerPartyIndexes[i];
                 if (TestRunner_Battle_GetForcedAbility(side, partyIndex))
-                    gBattleMons[i].ability = gDisableStructs[i].overwrittenAbility = TestRunner_Battle_GetForcedAbility(side, partyIndex);
+                    gBattleMons[i].ability = TestRunner_Battle_GetForcedAbility(side, partyIndex);
             }
         }
         #endif // TESTING