diff --git a/Source/Game/Arenas/Zones/DalaranSewers.cs b/Source/Game/Arenas/Zones/DalaranSewers.cs
index 88238ff87..038ab4003 100644
--- a/Source/Game/Arenas/Zones/DalaranSewers.cs
+++ b/Source/Game/Arenas/Zones/DalaranSewers.cs
@@ -153,8 +153,6 @@ namespace Game.Arenas
                 }
             });
         }
-
-        EventMap _events = new();
     }
 
     struct DalaranSewersEvents
diff --git a/Source/Game/Arenas/Zones/RingofValor.cs b/Source/Game/Arenas/Zones/RingofValor.cs
index dbc673eba..5cb022c9b 100644
--- a/Source/Game/Arenas/Zones/RingofValor.cs
+++ b/Source/Game/Arenas/Zones/RingofValor.cs
@@ -177,8 +177,6 @@ namespace Game.Arenas
                 }
             }
         }
-
-        EventMap _events;
     }
 
     struct RingofValorEvents
diff --git a/Source/Game/Entities/Player/Player.Quest.cs b/Source/Game/Entities/Player/Player.Quest.cs
index c1b88d138..26099b607 100644
--- a/Source/Game/Entities/Player/Player.Quest.cs
+++ b/Source/Game/Entities/Player/Player.Quest.cs
@@ -15,7 +15,6 @@ using Game.Spells;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System;
 
 namespace Game.Entities
 {
diff --git a/Source/Game/Quest/QuestObjectiveCriteriaManager.cs b/Source/Game/Quest/QuestObjectiveCriteriaManager.cs
index fc7acaae0..44fa29142 100644
--- a/Source/Game/Quest/QuestObjectiveCriteriaManager.cs
+++ b/Source/Game/Quest/QuestObjectiveCriteriaManager.cs
@@ -290,7 +290,7 @@ namespace Game
             return Global.CriteriaMgr.GetQuestObjectiveCriteriaByType(type);
         }
 
-        public bool RequiredAchievementSatisfied(uint achievementId)
+        public override bool RequiredAchievementSatisfied(uint achievementId)
         {
             return _owner.HasAchieved(achievementId);
         }
diff --git a/Source/Game/Spells/SpellCastRequest.cs b/Source/Game/Spells/SpellCastRequest.cs
index 57df04f47..3b0a688b7 100644
--- a/Source/Game/Spells/SpellCastRequest.cs
+++ b/Source/Game/Spells/SpellCastRequest.cs
@@ -26,7 +26,7 @@ namespace Game.Spells
         public ObjectGuid CastingUnitGUID;
         public SpellCastRequestItemData ItemData;
 
-        public SpellCastRequest(SpellCastRequestPkt castRequest, ObjectGuid castingUnitGUID, SpellCastRequestItemData? itemData = null)
+        public SpellCastRequest(SpellCastRequestPkt castRequest, ObjectGuid castingUnitGUID, SpellCastRequestItemData itemData = null)
         {
             CastRequest = castRequest;
             CastingUnitGUID = castingUnitGUID;