diff --git a/src/modules/Bots/ahbot/AhBotConfig.cpp b/src/modules/Bots/ahbot/AhBotConfig.cpp
index a8d3b32ca..a04a59839 100644
--- a/src/modules/Bots/ahbot/AhBotConfig.cpp
+++ b/src/modules/Bots/ahbot/AhBotConfig.cpp
@@ -7,10 +7,6 @@ using namespace std;
 
 INSTANTIATE_SINGLETON_1(AhBotConfig);
 
-AhBotConfig::AhBotConfig()
-{
-}
-
 template <class T>
 void LoadSet(string value, T &res)
 {
diff --git a/src/modules/Bots/ahbot/AhBotConfig.h b/src/modules/Bots/ahbot/AhBotConfig.h
index def0765fb..ffb727553 100644
--- a/src/modules/Bots/ahbot/AhBotConfig.h
+++ b/src/modules/Bots/ahbot/AhBotConfig.h
@@ -7,7 +7,6 @@ using namespace std;
 class AhBotConfig
 {
 public:
-    AhBotConfig();
     static AhBotConfig& instance()
     {
         static AhBotConfig instance;
diff --git a/src/modules/Bots/ahbot/PricingStrategy.cpp b/src/modules/Bots/ahbot/PricingStrategy.cpp
index ad5e20eab..634919a38 100644
--- a/src/modules/Bots/ahbot/PricingStrategy.cpp
+++ b/src/modules/Bots/ahbot/PricingStrategy.cpp
@@ -211,8 +211,6 @@ uint32 PricingStrategy::GetDefaultBuyPrice(ItemPrototype const* proto)
     uint32 level = max(proto->ItemLevel, proto->RequiredLevel);
     if (proto->Class == ITEM_CLASS_QUEST)
     {
-        double result = 1.0;
-
         QueryResult* results = WorldDatabase.PQuery(
             "select max(QuestLevel), max(MinLevel) from quest_template where ReqItemId1 = %u or ReqItemId2 = %u or ReqItemId3 = %u or ReqItemId4 = %u",
             proto->ItemId, proto->ItemId, proto->ItemId, proto->ItemId);
diff --git a/src/modules/Bots/playerbot/GuildTaskMgr.cpp b/src/modules/Bots/playerbot/GuildTaskMgr.cpp
index ecfe6063c..cb36cc217 100644
--- a/src/modules/Bots/playerbot/GuildTaskMgr.cpp
+++ b/src/modules/Bots/playerbot/GuildTaskMgr.cpp
@@ -782,7 +782,6 @@ bool GuildTaskMgr::HandleConsoleCommand(ChatHandler* handler, char const* args)
 
             } while (result->NextRow());
 
-            Field* fields = result->Fetch();
             delete result;
         }
 
diff --git a/src/modules/Bots/playerbot/LootObjectStack.cpp b/src/modules/Bots/playerbot/LootObjectStack.cpp
index 7894a3079..c99ac2842 100644
--- a/src/modules/Bots/playerbot/LootObjectStack.cpp
+++ b/src/modules/Bots/playerbot/LootObjectStack.cpp
@@ -12,10 +12,8 @@ LootTarget::LootTarget(ObjectGuid guid) : guid(guid), asOfTime(time(0))
 {
 }
 
-LootTarget::LootTarget(LootTarget const& other)
+LootTarget::LootTarget(LootTarget const& other) : guid(other.guid), asOfTime(other.asOfTime)
 {
-    guid = other.guid;
-    asOfTime = other.asOfTime;
 }
 
 LootTarget& LootTarget::operator=(LootTarget const& other)
@@ -145,12 +143,8 @@ WorldObject* LootObject::GetWorldObject(Player* bot)
     return NULL;
 }
 
-LootObject::LootObject(const LootObject& other)
+LootObject::LootObject(const LootObject& other) : guid(other.guid), skillId(other.skillId), reqSkillValue(other.reqSkillValue), reqItem(other.reqItem)
 {
-    guid = other.guid;
-    skillId = other.skillId;
-    reqSkillValue = other.reqSkillValue;
-    reqItem = other.reqItem;
 }
 
 bool LootObject::IsLootPossible(Player* bot)
diff --git a/src/modules/Bots/playerbot/strategy/actions/BankAction.cpp b/src/modules/Bots/playerbot/strategy/actions/BankAction.cpp
index 3335cc37f..814bf38c8 100644
--- a/src/modules/Bots/playerbot/strategy/actions/BankAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/BankAction.cpp
@@ -121,22 +121,19 @@ void BankAction::ListItems()
     map<uint32, bool> soulbound;
     for (int i = BANK_SLOT_ITEM_START; i < BANK_SLOT_ITEM_END; ++i)
         if (Item* pItem = bot->GetItemByPos(INVENTORY_SLOT_BAG_0, i))
-            if (pItem)
-            {
+        {
                 items[pItem->GetProto()->ItemId] += pItem->GetCount();
                 soulbound[pItem->GetProto()->ItemId] = pItem->IsSoulBound();
-            }
+        }
 
     for (int i = BANK_SLOT_BAG_START; i < BANK_SLOT_BAG_END; ++i)
         if (Bag* pBag = (Bag*)bot->GetItemByPos(INVENTORY_SLOT_BAG_0, i))
-            if (pBag)
-                for (uint32 j = 0; j < pBag->GetBagSize(); ++j)
-                    if (Item* pItem = pBag->GetItemByPos(j))
-                        if (pItem)
-                        {
-                            items[pItem->GetProto()->ItemId] += pItem->GetCount();
-                            soulbound[pItem->GetProto()->ItemId] = pItem->IsSoulBound();
-                        }
+            for (uint32 j = 0; j < pBag->GetBagSize(); ++j)
+                if (Item* pItem = pBag->GetItemByPos(j))
+                {
+                    items[pItem->GetProto()->ItemId] += pItem->GetCount();
+                    soulbound[pItem->GetProto()->ItemId] = pItem->IsSoulBound();
+                }
 
     TellItems(items, soulbound);
 }
diff --git a/src/modules/Bots/playerbot/strategy/actions/BuffAction.cpp b/src/modules/Bots/playerbot/strategy/actions/BuffAction.cpp
index fa5fbf739..1ea8908e7 100644
--- a/src/modules/Bots/playerbot/strategy/actions/BuffAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/BuffAction.cpp
@@ -97,8 +97,6 @@ void BuffAction::TellHeader(uint32 subClass)
 
 bool BuffAction::Execute(Event event)
 {
-    string text = event.getParam();
-
     FindBuffVisitor visitor(bot);
     IterateItems(&visitor);
 
diff --git a/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.cpp b/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.cpp
index 64bd507aa..195ac050d 100644
--- a/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.cpp
@@ -12,9 +12,9 @@ bool CustomStrategyEditAction::Execute(Event event)
     string text = event.getParam();
     int pos = text.find(" ");
     if (pos == string::npos) return PrintHelp();
-    {
-        string name = text.substr(0, pos);
-    }
+
+    string name = text.substr(0, pos);
+
     text = text.substr(pos + 1);
 
     pos = text.find(" ");
@@ -115,7 +115,7 @@ bool CustomStrategyEditAction::Edit(string name, uint32 idx, string command)
     return true;
 }
 
-bool CustomStrategyEditAction::PrintActionLine(uint32 idx, string command)
+bool CustomStrategyEditAction::PrintActionLine(uint32 idx, string& command)
 {
     ostringstream out; out << "#" << idx << " " << command;
     ai->TellMaster(out.str());
diff --git a/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.h b/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.h
index 858a2fd39..b53c65d94 100644
--- a/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.h
+++ b/src/modules/Bots/playerbot/strategy/actions/CustomStrategyEditAction.h
@@ -11,7 +11,7 @@ namespace ai
 
     private:
         bool PrintHelp();
-        bool PrintActionLine(uint32 idx, string command);
+        bool PrintActionLine(uint32 idx, string& command);
         bool Print(string name);
         bool Edit(string name, uint32 idx, string command);
     };
diff --git a/src/modules/Bots/playerbot/strategy/actions/EmoteAction.cpp b/src/modules/Bots/playerbot/strategy/actions/EmoteAction.cpp
index d364d7467..1d6c0782f 100644
--- a/src/modules/Bots/playerbot/strategy/actions/EmoteAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/EmoteAction.cpp
@@ -17,7 +17,6 @@ bool EmoteAction::Execute(Event event)
 
     uint32 emote = 0;
 
-    time_t lastEmote = AI_VALUE2(time_t, "last emote", qualifier);
     ai->GetAiObjectContext()->GetValue<time_t>("last emote", qualifier)->Set(time(0) + urand(1, 60));
 
     string param = event.getParam();
diff --git a/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.cpp b/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.cpp
index f4869cfd2..a56e40223 100644
--- a/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.cpp
@@ -38,7 +38,7 @@ string LogLevelAction::logLevel2string(LogLevel level)
         return "debug";
     }
 }
-LogLevel LogLevelAction::string2logLevel(string level)
+LogLevel LogLevelAction::string2logLevel(string& level)
 {
     if (level == "debug")
     {
diff --git a/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.h b/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.h
index 4ad2a33f1..00bb5a5eb 100644
--- a/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.h
+++ b/src/modules/Bots/playerbot/strategy/actions/LogLevelAction.h
@@ -11,7 +11,7 @@ namespace ai
 
     public:
         static string logLevel2string(LogLevel level);
-        static LogLevel string2logLevel(string level);
+        static LogLevel string2logLevel(string& level);
     };
 
 }
\ No newline at end of file
diff --git a/src/modules/Bots/playerbot/strategy/actions/MailAction.cpp b/src/modules/Bots/playerbot/strategy/actions/MailAction.cpp
index 5074231c6..056239e50 100644
--- a/src/modules/Bots/playerbot/strategy/actions/MailAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/MailAction.cpp
@@ -109,7 +109,7 @@ class TakeMailProcessor : public MailProcessor
 private:
     bool CheckBagSpace(Player* bot)
     {
-        uint32 totalused = 0, total = 16;
+        uint32 totalused = 0;
         for (uint8 slot = INVENTORY_SLOT_ITEM_START; slot < INVENTORY_SLOT_ITEM_END; slot++)
         {
             if (bot->GetItemByPos(INVENTORY_SLOT_BAG_0, slot))
diff --git a/src/modules/Bots/playerbot/strategy/actions/MovementActions.cpp b/src/modules/Bots/playerbot/strategy/actions/MovementActions.cpp
index 6cbb08a61..665aa389f 100644
--- a/src/modules/Bots/playerbot/strategy/actions/MovementActions.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/MovementActions.cpp
@@ -93,9 +93,7 @@ bool MovementAction::MoveTo(Unit* target, float distance)
 
     float bx = bot->GetPositionX();
     float by = bot->GetPositionY();
-    float bz = bot->GetPositionZ();
 
-    float tx = target->GetPositionX();
     float ty = target->GetPositionY();
     float tz = target->GetPositionZ();
 
diff --git a/src/modules/Bots/playerbot/strategy/actions/OutfitAction.cpp b/src/modules/Bots/playerbot/strategy/actions/OutfitAction.cpp
index 503074fd4..bf21ef676 100644
--- a/src/modules/Bots/playerbot/strategy/actions/OutfitAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/OutfitAction.cpp
@@ -97,7 +97,7 @@ bool OutfitAction::Execute(Event event)
     return true;
 }
 
-void OutfitAction::Save(string name, ItemIds items)
+void OutfitAction::Save(string& name, ItemIds items)
 {
     list<string>& outfits = AI_VALUE(list<string>&, "outfit list");
     for (list<string>::iterator i = outfits.begin(); i != outfits.end(); ++i)
@@ -125,7 +125,7 @@ void OutfitAction::Save(string name, ItemIds items)
     outfits.push_back(out.str());
 }
 
-ItemIds OutfitAction::Find(string name)
+ItemIds OutfitAction::Find(string& name)
 {
     list<string>& outfits = AI_VALUE(list<string>&, "outfit list");
     for (list<string>::iterator i = outfits.begin(); i != outfits.end(); ++i)
@@ -197,7 +197,7 @@ ItemIds OutfitAction::parseItems(string text)
     return itemIds;
 }
 
-void OutfitAction::Update(string name)
+void OutfitAction::Update(string& name)
 {
     ListItemsVisitor visitor;
     IterateItems(&visitor, ITERATE_ITEMS_IN_EQUIP);
diff --git a/src/modules/Bots/playerbot/strategy/actions/OutfitAction.h b/src/modules/Bots/playerbot/strategy/actions/OutfitAction.h
index 2f2e32938..1d74c4427 100644
--- a/src/modules/Bots/playerbot/strategy/actions/OutfitAction.h
+++ b/src/modules/Bots/playerbot/strategy/actions/OutfitAction.h
@@ -17,9 +17,9 @@ namespace ai
         ItemIds parseItems(string outfit);
 
         void List();
-        ItemIds Find(string name);
-        void Save(string name, ItemIds outfit);
-        void Update(string name);
+        ItemIds Find(string& name);
+        void Save(string& name, ItemIds outfit);
+        void Update(string& name);
     };
 
 }
diff --git a/src/modules/Bots/playerbot/strategy/actions/RepairAllAction.cpp b/src/modules/Bots/playerbot/strategy/actions/RepairAllAction.cpp
index c68a78ec8..ef3edebab 100644
--- a/src/modules/Bots/playerbot/strategy/actions/RepairAllAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/RepairAllAction.cpp
@@ -22,7 +22,6 @@ bool RepairAllAction::Execute(Event event)
         }
 
         bot->SetFacingToObject(unit);
-        float discountMod = bot->GetReputationPriceDiscount(unit);
         uint32 totalCost = bot->DurabilityRepairAll(true, 1.0f, false);
 
         ostringstream out;
diff --git a/src/modules/Bots/playerbot/strategy/actions/RewardAction.cpp b/src/modules/Bots/playerbot/strategy/actions/RewardAction.cpp
index ed312e155..cb40dbcfe 100644
--- a/src/modules/Bots/playerbot/strategy/actions/RewardAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/RewardAction.cpp
@@ -66,9 +66,6 @@ bool RewardAction::Reward(uint32 itemId, Object* questGiver)
                 {
                     bot->RewardQuest(pQuest, rewardIdx, questGiver, false);
 
-                    string questTitle  = pQuest->GetTitle();
-                    string itemName = pRewardItem->Name1;
-
                     ostringstream out; out << chat->formatItem(pRewardItem) << " rewarded";
                     ai->TellMaster(out);
                     return true;
diff --git a/src/modules/Bots/playerbot/strategy/actions/SayAction.cpp b/src/modules/Bots/playerbot/strategy/actions/SayAction.cpp
index a34979a51..2ab49732d 100644
--- a/src/modules/Bots/playerbot/strategy/actions/SayAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/SayAction.cpp
@@ -65,7 +65,6 @@ bool SayAction::Execute(Event event)
     vector<string> &strings = stringTable[qualifier];
     if (strings.empty()) return false;
 
-    time_t lastSaid = AI_VALUE2(time_t, "last said", qualifier);
     ai->GetAiObjectContext()->GetValue<time_t>("last said", qualifier)->Set(time(0) + urand(1, 60));
 
     uint32 probability = probabilityTable[qualifier];
diff --git a/src/modules/Bots/playerbot/strategy/actions/SendMailAction.cpp b/src/modules/Bots/playerbot/strategy/actions/SendMailAction.cpp
index 717455927..a227eadde 100644
--- a/src/modules/Bots/playerbot/strategy/actions/SendMailAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/SendMailAction.cpp
@@ -113,7 +113,6 @@ bool SendMailAction::Execute(Event event)
                 continue;
             }
 
-            ItemPrototype const *proto = item->GetProto();
             bot->MoveItemFromInventory(item->GetBagSlot(), item->GetSlot(), true);
             item->DeleteFromInventoryDB();
             item->SetOwnerGuid(master->GetObjectGuid());
diff --git a/src/modules/Bots/playerbot/strategy/actions/UseMeetingStoneAction.cpp b/src/modules/Bots/playerbot/strategy/actions/UseMeetingStoneAction.cpp
index f5c98e468..bd9e49e49 100644
--- a/src/modules/Bots/playerbot/strategy/actions/UseMeetingStoneAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/UseMeetingStoneAction.cpp
@@ -137,7 +137,6 @@ bool SummonAction::Summon(Player *summoner, Player *player)
 
 bool SummonAction::Teleport(Player *summoner, Player *player)
 {
-    Player* master = GetMaster();
     if (!summoner->IsBeingTeleported() && !player->IsBeingTeleported())
     {
         float followAngle = GetFollowAngle();
diff --git a/src/modules/Bots/playerbot/strategy/actions/WhoAction.cpp b/src/modules/Bots/playerbot/strategy/actions/WhoAction.cpp
index af1123e1e..426cacf19 100644
--- a/src/modules/Bots/playerbot/strategy/actions/WhoAction.cpp
+++ b/src/modules/Bots/playerbot/strategy/actions/WhoAction.cpp
@@ -108,7 +108,7 @@ string WhoAction::QuerySkill(string text)
     return out.str();
 }
 
-string WhoAction::QuerySpec(string text)
+string WhoAction::QuerySpec(string& text)
 {
     ostringstream out;
 
@@ -142,7 +142,6 @@ string WhoAction::QuerySpec(string text)
         {
             out << "|h|cff00ff00" << visitor.count[ITEM_QUALITY_UNCOMMON] << "|h|cffffffff";
         }
-        needSlash = true;
     }
 
     out << ")";
diff --git a/src/modules/Bots/playerbot/strategy/actions/WhoAction.h b/src/modules/Bots/playerbot/strategy/actions/WhoAction.h
index e5c8e865f..a04fb4502 100644
--- a/src/modules/Bots/playerbot/strategy/actions/WhoAction.h
+++ b/src/modules/Bots/playerbot/strategy/actions/WhoAction.h
@@ -15,7 +15,7 @@ namespace ai
     private:
         string QueryTrade(string text);
         string QuerySkill(string text);
-        string QuerySpec(string text);
+        string QuerySpec(string& text);
     };
 
 }
diff --git a/src/modules/Bots/playerbot/strategy/generic/ConserveManaStrategy.cpp b/src/modules/Bots/playerbot/strategy/generic/ConserveManaStrategy.cpp
index 72e62f2f4..61b4f169c 100644
--- a/src/modules/Bots/playerbot/strategy/generic/ConserveManaStrategy.cpp
+++ b/src/modules/Bots/playerbot/strategy/generic/ConserveManaStrategy.cpp
@@ -17,8 +17,6 @@ float ConserveManaMultiplier::GetValue(Action* action)
     bool hasMana = AI_VALUE2(bool, "has mana", "self target");
     bool mediumMana = hasMana && mana < sPlayerbotAIConfig.mediumMana;
 
-    string name = action->getName();
-
     if (health < sPlayerbotAIConfig.lowHealth)
     {
         return 1.0f;
diff --git a/src/modules/Bots/playerbot/strategy/generic/PullStrategy.cpp b/src/modules/Bots/playerbot/strategy/generic/PullStrategy.cpp
index 07abd0df1..6e46b00d6 100644
--- a/src/modules/Bots/playerbot/strategy/generic/PullStrategy.cpp
+++ b/src/modules/Bots/playerbot/strategy/generic/PullStrategy.cpp
@@ -8,7 +8,7 @@ using namespace ai;
 class MagePullMultiplier : public PassiveMultiplier
 {
 public:
-    MagePullMultiplier(PlayerbotAI* ai, string action) : PassiveMultiplier(ai)
+    MagePullMultiplier(PlayerbotAI* ai, string& action) : PassiveMultiplier(ai)
     {
         this->action = action;
     }
diff --git a/src/modules/Bots/playerbot/strategy/values/Arrow.cpp b/src/modules/Bots/playerbot/strategy/values/Arrow.cpp
index 37e3fbc2a..149bdc9f1 100644
--- a/src/modules/Bots/playerbot/strategy/values/Arrow.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/Arrow.cpp
@@ -14,7 +14,6 @@ WorldLocation ArrowFormation::GetLocationInternal()
     int tankLines = 1 + tanks.Size() / 6;
     int meleeLines = 1 + melee.Size() / 6;
     int rangedLines = 1 + ranged.Size() / 6;
-    int healerLines = 1 + healers.Size() / 6;
     float offset = 0;
 
     Player* master = ai->GetMaster();
@@ -150,8 +149,6 @@ UnitPosition MultiLineUnitPlacer::Place(FormationUnit *unit, uint32 index, uint3
     int lineNo = index / 6;
     int indexInLine = index % 6;
     int lineSize = max(count - lineNo * 6, uint32(6));
-    float x = cos(orientation) * sPlayerbotAIConfig.followDistance * lineNo;
-    float y = sin(orientation) * sPlayerbotAIConfig.followDistance * lineNo;
     return placer.Place(unit, indexInLine, lineSize);
 }
 
diff --git a/src/modules/Bots/playerbot/strategy/values/CcTargetValue.cpp b/src/modules/Bots/playerbot/strategy/values/CcTargetValue.cpp
index 78654306e..f27760afa 100644
--- a/src/modules/Bots/playerbot/strategy/values/CcTargetValue.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/CcTargetValue.cpp
@@ -9,7 +9,7 @@ using namespace ai;
 class FindTargetForCcStrategy : public FindTargetStrategy
 {
 public:
-    FindTargetForCcStrategy(PlayerbotAI* ai, string spell) : FindTargetStrategy(ai)
+    FindTargetForCcStrategy(PlayerbotAI* ai, string& spell) : FindTargetStrategy(ai)
     {
         this->spell = spell;
         maxDistance = 0;
diff --git a/src/modules/Bots/playerbot/strategy/values/CurrentCcTargetValue.cpp b/src/modules/Bots/playerbot/strategy/values/CurrentCcTargetValue.cpp
index 5ab1b7bdc..f5504a02c 100644
--- a/src/modules/Bots/playerbot/strategy/values/CurrentCcTargetValue.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/CurrentCcTargetValue.cpp
@@ -7,7 +7,7 @@ using namespace ai;
 class FindCurrentCcTargetStrategy : public FindTargetStrategy
 {
 public:
-    FindCurrentCcTargetStrategy(PlayerbotAI* ai, string spell) : FindTargetStrategy(ai)
+    FindCurrentCcTargetStrategy(PlayerbotAI* ai, string& spell) : FindTargetStrategy(ai)
     {
         this->spell = spell;
     }
diff --git a/src/modules/Bots/playerbot/strategy/values/ItemCountValue.cpp b/src/modules/Bots/playerbot/strategy/values/ItemCountValue.cpp
index dec931f99..726da1b39 100644
--- a/src/modules/Bots/playerbot/strategy/values/ItemCountValue.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/ItemCountValue.cpp
@@ -8,8 +8,6 @@ list<Item*> InventoryItemValueBase::Find(string qualifier)
 {
     list<Item*> result;
 
-    Player* bot = InventoryAction::ai->GetBot();
-
     list<Item*> items = InventoryAction::parseItems(qualifier);
     for (list<Item*>::iterator i = items.begin(); i != items.end(); i++)
     {
diff --git a/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.cpp b/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.cpp
index 30408ca4d..5ec3891f7 100644
--- a/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.cpp
@@ -58,7 +58,7 @@ LootStrategy *LootStrategyValue::gray = new GrayLootStrategy();
 LootStrategy *LootStrategyValue::disenchant = new DisenchantLootStrategy();
 LootStrategy *LootStrategyValue::all = new AllLootStrategy();
 
-LootStrategy* LootStrategyValue::instance(string strategy)
+LootStrategy* LootStrategyValue::instance(string& strategy)
 {
     if (strategy == "*" || strategy == "all")
     {
diff --git a/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.h b/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.h
index ef389a4a0..2267948e7 100644
--- a/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.h
+++ b/src/modules/Bots/playerbot/strategy/values/LootStrategyValue.h
@@ -11,6 +11,6 @@ namespace ai
         virtual ~LootStrategyValue() { delete defaultValue; }
 
         static LootStrategy *normal, *gray, *all, *disenchant;
-        static LootStrategy* instance(string name);
+        static LootStrategy* instance(string& name);
     };
 }
diff --git a/src/modules/Bots/playerbot/strategy/values/PartyMemberWithoutAuraValue.cpp b/src/modules/Bots/playerbot/strategy/values/PartyMemberWithoutAuraValue.cpp
index f2ab8aa1c..13049d005 100644
--- a/src/modules/Bots/playerbot/strategy/values/PartyMemberWithoutAuraValue.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/PartyMemberWithoutAuraValue.cpp
@@ -7,7 +7,7 @@ using namespace ai;
 class PlayerWithoutAuraPredicate : public FindPlayerPredicate, public PlayerbotAIAware
 {
 public:
-    PlayerWithoutAuraPredicate(PlayerbotAI* ai, string aura) :
+    PlayerWithoutAuraPredicate(PlayerbotAI* ai, string& aura) :
         PlayerbotAIAware(ai), FindPlayerPredicate(), aura(aura) {}
 
 public:
diff --git a/src/modules/Bots/playerbot/strategy/values/StatsValues.cpp b/src/modules/Bots/playerbot/strategy/values/StatsValues.cpp
index 777b9064b..449e236bf 100644
--- a/src/modules/Bots/playerbot/strategy/values/StatsValues.cpp
+++ b/src/modules/Bots/playerbot/strategy/values/StatsValues.cpp
@@ -144,7 +144,6 @@ uint8 BagSpaceValue::Calculate()
         }
     }
 
-    uint32 totalfree = 16 - totalused;
     for (uint8 bag = INVENTORY_SLOT_BAG_START; bag < INVENTORY_SLOT_BAG_END; ++bag)
     {
         const Bag* const pBag = (Bag*) bot->GetItemByPos(INVENTORY_SLOT_BAG_0, bag);
@@ -154,7 +153,6 @@ uint8 BagSpaceValue::Calculate()
             if (pBagProto->Class == ITEM_CLASS_CONTAINER && pBagProto->SubClass == ITEM_SUBCLASS_CONTAINER)
             {
                 total += pBag->GetBagSize();
-                totalfree += pBag->GetFreeSlots();
             }
         }