diff --git a/src/battle_ai_util.c b/src/battle_ai_util.c
index 1e229fbe81..781fb50e67 100644
--- a/src/battle_ai_util.c
+++ b/src/battle_ai_util.c
@@ -1685,7 +1685,7 @@ bool32 ShouldLowerAttack(u8 battlerAtk, u8 battlerDef, u16 defAbility)
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
       && defAbility != ABILITY_WHITE_SMOKE
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_HYPER_CUTTER)
         return TRUE;
     return FALSE;
@@ -1701,7 +1701,7 @@ bool32 ShouldLowerDefense(u8 battlerAtk, u8 battlerDef, u16 defAbility)
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
       && defAbility != ABILITY_WHITE_SMOKE
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_BIG_PECKS)
         return TRUE;
     return FALSE;
@@ -1715,7 +1715,7 @@ bool32 ShouldLowerSpeed(u8 battlerAtk, u8 battlerDef, u16 defAbility)
     if (IsAiFaster(AI_CHECK_SLOWER)
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_WHITE_SMOKE)
         return TRUE;
     return FALSE;
@@ -1730,7 +1730,7 @@ bool32 ShouldLowerSpAtk(u8 battlerAtk, u8 battlerDef, u16 defAbility)
       && HasMoveWithSplit(battlerDef, SPLIT_SPECIAL)
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_WHITE_SMOKE)
         return TRUE;
     return FALSE;
@@ -1745,7 +1745,7 @@ bool32 ShouldLowerSpDef(u8 battlerAtk, u8 battlerDef, u16 defAbility)
       && HasMoveWithSplit(battlerAtk, SPLIT_SPECIAL)
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_WHITE_SMOKE)
         return TRUE;
     return FALSE;
@@ -1759,7 +1759,7 @@ bool32 ShouldLowerAccuracy(u8 battlerAtk, u8 battlerDef, u16 defAbility)
     if (defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
       && defAbility != ABILITY_WHITE_SMOKE
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_KEEN_EYE)
         return TRUE;
     return FALSE;
@@ -1773,7 +1773,7 @@ bool32 ShouldLowerEvasion(u8 battlerAtk, u8 battlerDef, u16 defAbility)
     if (gBattleMons[battlerDef].statStages[STAT_EVASION] > DEFAULT_STAT_STAGE
       && defAbility != ABILITY_CONTRARY
       && defAbility != ABILITY_CLEAR_BODY
-      //&& defAbility != ABILITY_FULL_METAL_BODY
+      && defAbility != ABILITY_FULL_METAL_BODY
       && defAbility != ABILITY_WHITE_SMOKE)
         return TRUE;
     return FALSE;