diff --git a/include/battle_util.h b/include/battle_util.h
index 836d31bb70..2ce91c3f25 100644
--- a/include/battle_util.h
+++ b/include/battle_util.h
@@ -48,10 +48,6 @@ enum {
     ABILITYEFFECT_ON_SWITCHIN,
     ABILITYEFFECT_ENDTURN,
     ABILITYEFFECT_MOVE_END_ATTACKER,
-    ABILITYEFFECT_WOULD_BLOCK,
-    ABILITYEFFECT_MOVES_BLOCK,
-    ABILITYEFFECT_WOULD_ABSORB,
-    ABILITYEFFECT_ABSORBING,
     ABILITYEFFECT_MOVE_END,
     ABILITYEFFECT_IMMUNITY,
     ABILITYEFFECT_SYNCHRONIZE,
diff --git a/src/battle_util.c b/src/battle_util.c
index 0efa13c869..6d256dc998 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -4345,38 +4345,6 @@ u32 AbilityBattleEffects(u32 caseID, u32 battler, u32 ability, u32 special, u32
             }
         }
         break;
-    case ABILITYEFFECT_WOULD_BLOCK:
-        effect = CanAbilityBlockMove(gBattlerAttacker, battler, gBattleMons[gBattlerAttacker].ability, gLastUsedAbility, move, ABILITY_CHECK_TRIGGER);
-        if (effect && gLastUsedAbility != 0xFFFF)
-            RecordAbilityBattle(battler, gLastUsedAbility);
-        return effect;
-    case ABILITYEFFECT_MOVES_BLOCK:
-        effect = CanAbilityBlockMove(gBattlerAttacker, battler, gBattleMons[gBattlerAttacker].ability, gLastUsedAbility, move, ABILITY_CHECK_TRIGGER);
-
-        // prankster check
-        if (effect == 0
-         && IsBattleMoveStatus(move)
-         && GetChosenMovePriority(gBattlerAttacker, gBattleMons[gBattlerAttacker].ability) > 0
-         && BlocksPrankster(move, gBattlerAttacker, gBattlerTarget, TRUE)
-         && !(IsBattleMoveStatus(move) && (gLastUsedAbility == ABILITY_MAGIC_BOUNCE || gProtectStructs[gBattlerTarget].bounceMove)))
-        {
-            if (!IsDoubleBattle()
-            || !(GetBattlerMoveTargetType(gBattlerAttacker, move) & (MOVE_TARGET_BOTH | MOVE_TARGET_FOES_AND_ALLY)))
-                CancelMultiTurnMoves(gBattlerAttacker, SKY_DROP_IGNORE); // Don't cancel moves that can hit two targets bc one target might not be protected
-            gBattleScripting.battler = gBattlerAbility = gBattlerTarget;
-            gBattlescriptCurrInstr = BattleScript_DarkTypePreventsPrankster;
-            effect = 1;
-        }
-        break;
-    case ABILITYEFFECT_WOULD_ABSORB:
-        effect = CanAbilityAbsorbMove(gBattlerAttacker, battler, gLastUsedAbility, move, moveType, ABILITY_CHECK_TRIGGER);
-        gBattleStruct->pledgeMove = FALSE;
-        if (effect && gLastUsedAbility != 0xFFFF)
-            RecordAbilityBattle(battler, gLastUsedAbility);
-        return effect;
-    case ABILITYEFFECT_ABSORBING:
-        effect = CanAbilityAbsorbMove(gBattlerAttacker, battler, gLastUsedAbility, move, moveType, ABILITY_RUN_SCRIPT);
-        break;
     case ABILITYEFFECT_MOVE_END: // Think contact abilities.
         switch (gLastUsedAbility)
         {