diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index 22698a1a7..3078dfc37 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -6007,14 +6007,6 @@ void AuraEffect::HandlePeriodicTriggerSpellAuraTick(Unit* target, Unit* caster)
                             }
                     return;
                 }
-            // quest A Tangled Skein (12555)
-            case 51165:
-                {
-                    if( caster && caster->GetTypeId() == TYPEID_PLAYER )
-                        caster->ToPlayer()->KilledMonsterCredit(28289, 0);
-
-                    break;
-                }
             case 24745: // Summon Templar, Trigger
             case 24747: // Summon Templar Fire, Trigger
             case 24757: // Summon Templar Air, Trigger