diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundAV.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundAV.cpp
index 81f31bb349..40bef0af09 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundAV.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundAV.cpp
@@ -274,7 +274,7 @@ Creature* BattlegroundAV::AddAVCreature(uint16 cinfoid, uint16 type)
 {
     bool isStatic = false;
     Creature* creature = NULL;
-    ASSERT(type <= AV_CPLACE_MAX + AV_STATICCPLACE_MAX);
+    ASSERT(type < AV_CPLACE_MAX + AV_STATICCPLACE_MAX);
     if (type >= AV_CPLACE_MAX) //static
     {
         type -= AV_CPLACE_MAX;
diff --git a/src/server/game/Calendar/CalendarMgr.cpp b/src/server/game/Calendar/CalendarMgr.cpp
index f015f73205..222bdaf34c 100644
--- a/src/server/game/Calendar/CalendarMgr.cpp
+++ b/src/server/game/Calendar/CalendarMgr.cpp
@@ -662,6 +662,6 @@ void CalendarMgr::SendPacketToAllEventRelatives(WorldPacket& packet, CalendarEve
     CalendarInviteStore invites = _invites[calendarEvent.GetEventId()];
     for (CalendarInviteStore::iterator itr = invites.begin(); itr != invites.end(); ++itr)
         if (Player* player = ObjectAccessor::FindConnectedPlayer((*itr)->GetInviteeGUID()))
-            if (!calendarEvent.IsGuildEvent() || (calendarEvent.IsGuildEvent() && player->GetGuildId() != calendarEvent.GetGuildId()))
+            if (!calendarEvent.IsGuildEvent() || player->GetGuildId() != calendarEvent.GetGuildId())
                 player->SendDirectMessage(&packet);
 }
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 64f0d4391e..fdd5b5aded 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -374,7 +374,7 @@ bool Creature::InitEntry(uint32 entry, CreatureData const* data /*= nullptr*/)
     // Load creature equipment
     if (!data || data->equipmentId == 0)
         LoadEquipment(); // use default equipment (if available)
-    else if (data && data->equipmentId != 0)                // override, 0 means no equipment
+    else                // override, 0 means no equipment
     {
         m_originalEquipmentId = data->equipmentId;
         LoadEquipment(data->equipmentId);
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 154d016474..5ed13b49bd 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -3871,7 +3871,7 @@ void Player::RemoveSpell(uint32 spell_id, bool disabled, bool learn_low_rank)
                 }
 
                 // now re-learn if need re-activate
-                if (cur_active && !prev_itr->second->active && learn_low_rank)
+                if (!prev_itr->second->active && learn_low_rank)
                 {
                     if (AddSpell(prev_id, true, false, prev_itr->second->dependent, prev_itr->second->disabled))
                     {
@@ -4195,7 +4195,7 @@ TrainerSpellState Player::GetTrainerSpellState(TrainerSpell const* trainer_spell
         if (uint32 prevSpell = sSpellMgr->GetPrevSpellInChain(trainer_spell->ReqAbility[i]))
         {
             // check prev.rank requirement
-            if (prevSpell && !HasSpell(prevSpell))
+            if (!HasSpell(prevSpell))
                 return TRAINER_SPELL_RED;
         }
 
@@ -9665,7 +9665,7 @@ void Player::SetVirtualItemSlot(uint8 i, Item* item)
             return;
         if (charges > 1)
             item->SetEnchantmentCharges(TEMP_ENCHANTMENT_SLOT, charges-1);
-        else if (charges <= 1)
+        else
         {
             ApplyEnchantment(item, TEMP_ENCHANTMENT_SLOT, false);
             item->ClearEnchantment(TEMP_ENCHANTMENT_SLOT);
@@ -12328,7 +12328,7 @@ void Player::DestroyItemCount(uint32 itemEntry, uint32 count, bool update, bool
     {
         if (Item* item = GetItemByPos(INVENTORY_SLOT_BAG_0, i))
         {
-            if (item && item->GetEntry() == itemEntry && !item->IsInTrade())
+            if (item->GetEntry() == itemEntry && !item->IsInTrade())
             {
                 if (item->GetCount() + remcount <= count)
                 {
@@ -12962,7 +12962,7 @@ void Player::SwapItem(uint16 src, uint16 dst)
             }
         }
 
-        if (!released && IsBagPos(dst) && pDstItem)
+        if (!released && IsBagPos(dst))
         {
             Bag* bag = pDstItem->ToBag();
             for (uint32 i = 0; i < bag->GetBagSize(); ++i)
@@ -13376,7 +13376,7 @@ void Player::AddEnchantmentDuration(Item* item, EnchantmentSlot slot, uint32 dur
             break;
         }
     }
-    if (item && duration > 0)
+    if (duration > 0)
     {
         GetSession()->SendItemEnchantTimeUpdate(GetGUID(), item->GetGUID(), slot, uint32(duration/1000));
         m_enchantDuration.push_back(EnchantDuration(item, slot, duration));
@@ -16703,7 +16703,7 @@ bool Player::HasQuestForItem(uint32 itemid, uint32 excludeQuestId /* 0 */, bool
                     // allows custom amount drop when not 0
                     if (qinfo->ItemDropQuantity[j])
                     {
-                        if ((ownedCount < qinfo->ItemDropQuantity[j]) || (turnIn && ownedCount >= qinfo->ItemDropQuantity[j]))
+                        if (ownedCount < qinfo->ItemDropQuantity[j] || turnIn )
                             return true;
                     } else if (ownedCount < pProto->GetMaxStackSize())
                         return true;
@@ -17313,7 +17313,7 @@ bool Player::LoadFromDB(ObjectGuid guid, SQLQueryHolder *holder)
         RelocateToHomebind();
     }
     // Player was saved in Arena or Bg
-    else if (mapEntry && mapEntry->IsBattlegroundOrArena())
+    else if (mapEntry->IsBattlegroundOrArena())
     {
         Battleground* currentBg = nullptr;
         if (m_bgData.bgInstanceID)                                                //saved in Battleground
@@ -20745,7 +20745,7 @@ Pet* Player::GetPet() const
         if (!pet)
             return nullptr;
 
-        if (IsInWorld() && pet)
+        if (IsInWorld())
             return pet;
 
         // there may be a guardian in this slot
diff --git a/src/server/game/Events/GameEventMgr.cpp b/src/server/game/Events/GameEventMgr.cpp
index b92c004026..c1e406d353 100644
--- a/src/server/game/Events/GameEventMgr.cpp
+++ b/src/server/game/Events/GameEventMgr.cpp
@@ -1262,7 +1262,7 @@ void GameEventMgr::GameEventSpawn(int16 event_id)
         }
     }
 
-    if (internal_event_id < 0 || internal_event_id >= int32(mGameEventGameobjectGuids.size()))
+    if (internal_event_id >= int32(mGameEventPoolIds.size()))
     {
         TC_LOG_ERROR("gameevent", "GameEventMgr::GameEventSpawn attempted access to out of range mGameEventGameobjectGuids element %i (size: %zu).",
             internal_event_id, mGameEventGameobjectGuids.size());
diff --git a/src/server/game/Handlers/PetHandler.cpp b/src/server/game/Handlers/PetHandler.cpp
index 5f6a225ec2..48fbbc6c71 100644
--- a/src/server/game/Handlers/PetHandler.cpp
+++ b/src/server/game/Handlers/PetHandler.cpp
@@ -209,7 +209,7 @@ void WorldSession::HandlePetActionHelper(Unit* pet, ObjectGuid guid1, uint32 spe
 
                     pet->ClearUnitState(UNIT_STATE_FOLLOW);
                     // This is true if pet has no target or has target but targets differs.
-                    if (pet->GetVictim() != TargetUnit || (pet->GetVictim() == TargetUnit && !pet->GetCharmInfo()->IsCommandAttack()))
+                    if (pet->GetVictim() != TargetUnit || !pet->GetCharmInfo()->IsCommandAttack())
                     {
                         if (pet->GetVictim())
                             pet->AttackStop();
diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index ba4577cf38..b21113f0df 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -5333,7 +5333,7 @@ void Spell::EffectGameObjectDamage(SpellEffIndex /*effIndex*/)
     FactionTemplateEntry const* casterFaction = caster->GetFactionTemplateEntry();
     FactionTemplateEntry const* targetFaction = sFactionTemplateStore.LookupEntry(gameObjTarget->GetFaction());
     // Do not allow to damage GO's of friendly factions (ie: Wintergrasp Walls/Ulduar Storm Beacons)
-    if (!targetFaction || (casterFaction && targetFaction && !casterFaction->IsFriendlyTo(*targetFaction)))
+    if (!targetFaction || (casterFaction && !casterFaction->IsFriendlyTo(*targetFaction)))
         gameObjTarget->ModifyHealth(-damage, caster, GetSpellInfo()->Id);
 }
 
diff --git a/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/boss_sartharion.cpp b/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/boss_sartharion.cpp
index 71487b5e04..88de9ff9d1 100644
--- a/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/boss_sartharion.cpp
+++ b/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/boss_sartharion.cpp
@@ -324,7 +324,7 @@ public:
 
             if (Creature* fetchVesp = ObjectAccessor::GetCreature(*me, instance->GetGuidData(DATA_VESPERON)))
             {
-                if (fetchVesp && fetchVesp->IsAlive() && !fetchVesp->GetVictim())
+                if (fetchVesp->IsAlive() && !fetchVesp->GetVictim())
                 {
                     _canUseWill = true;
                     if (!fetchVesp->IsInCombat())
diff --git a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_argent_challenge.cpp b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_argent_challenge.cpp
index 0b6c7738cc..663df7faf2 100644
--- a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_argent_challenge.cpp
+++ b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_argent_challenge.cpp
@@ -224,7 +224,7 @@ public:
 
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 250, true))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                     {
                         DoCast(target, SPELL_HAMMER_JUSTICE);
                         DoCast(target, SPELL_HAMMER_RIGHTEOUS);
@@ -350,7 +350,7 @@ public:
             {
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 250, true))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                         DoCast(target, SPELL_HOLY_FIRE);
                 }
                  if (me->HasAura(SPELL_SHIELD))
@@ -363,7 +363,7 @@ public:
             {
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 250, true))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                         DoCast(target, SPELL_SMITE);
                 }
                 if (me->HasAura(SPELL_SHIELD))
@@ -456,7 +456,7 @@ public:
             {
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                         DoCast(target, SPELL_OLD_WOUNDS);
                 }
                 uiOldWoundsTimer = 12000;
@@ -472,7 +472,7 @@ public:
             {
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 1))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                         DoCast(target, SPELL_SHADOWS_PAST);
                 }
                 uiShadowPastTimer = 5000;
diff --git a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_black_knight.cpp b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_black_knight.cpp
index e5b749c5da..8e4400a285 100644
--- a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_black_knight.cpp
+++ b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/boss_black_knight.cpp
@@ -197,7 +197,7 @@ public:
                             {
                                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 100, true))
                                 {
-                                    if (target && target->IsAlive())
+                                    if (target->IsAlive())
                                         DoCast(target, SPELL_DEATH_RESPITE);
                                 }
                                 uiDeathRespiteTimer = urand(15000, 16000);
@@ -225,7 +225,7 @@ public:
                             {
                                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 100, true))
                                 {
-                                    if (target && target->IsAlive())
+                                    if (target->IsAlive())
                                         DoCast(target, SPELL_DESECRATION);
                                 }
                                 uiDesecration = urand(15000, 16000);
@@ -252,7 +252,7 @@ public:
                     {
                         if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 100, true))
                         {
-                            if (target && target->IsAlive())
+                            if (target->IsAlive())
                                 DoCast(target, SPELL_MARKED_DEATH);
                         }
                         uiMarkedDeathTimer = urand(5000, 7000);
@@ -333,7 +333,7 @@ public:
             {
                 if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 1, 100, true))
                 {
-                    if (target && target->IsAlive())
+                    if (target->IsAlive())
                         DoCast(target, (SPELL_LEAP));
                 }
                 uiAttackTimer = 3500;
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_blood_prince_council.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_blood_prince_council.cpp
index 49697f757a..d9f0bb4d8b 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_blood_prince_council.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_blood_prince_council.cpp
@@ -998,7 +998,7 @@ class npc_ball_of_flame : public CreatureScript
                     {
                         // need to clear states now because this call is before AuraEffect is fully removed
                         me->ClearUnitState(UNIT_STATE_CASTING | UNIT_STATE_STUNNED);
-                        if (target && me->Attack(target, true))
+                        if (me->Attack(target, true))
                             me->GetMotionMaster()->MoveChase(target, 1.0f);
                     }
             }
diff --git a/src/server/scripts/Spells/spell_quest.cpp b/src/server/scripts/Spells/spell_quest.cpp
index ab1a194351..3cef4f9182 100644
--- a/src/server/scripts/Spells/spell_quest.cpp
+++ b/src/server/scripts/Spells/spell_quest.cpp
@@ -928,7 +928,7 @@ class spell_q9874_liquid_fire : public SpellScriptLoader
             {
                 Player* caster = GetCaster()->ToPlayer();
                 if (Creature* target = GetHitCreature())
-                    if (target && !target->HasAura(SPELL_FLAMES))
+                    if (!target->HasAura(SPELL_FLAMES))
                     {
                         caster->KilledMonsterCredit(NPC_VILLAGER_KILL_CREDIT);
                         target->CastSpell(target, SPELL_FLAMES, true);