diff --git a/sql/updates/world/4.3.4/2021_07_31_00_world.sql b/sql/updates/world/4.3.4/2021_07_31_00_world.sql
new file mode 100644
index 00000000000..2d5c69a2602
--- /dev/null
+++ b/sql/updates/world/4.3.4/2021_07_31_00_world.sql
@@ -0,0 +1,4 @@
+DELETE FROM `instance_spawn_groups` WHERE `spawnGroupId` IN (409, 410);
+INSERT INTO `instance_spawn_groups` (`instanceMapId`, `bossStateId`, `bossStates`, `spawnGroupId`, `flags`) VALUES
+(36, 4, 0x1 | 0x2 | 0x4 | 0x8, 409, 0x1 | 0x4),
+(36, 4, 0x1 | 0x2 | 0x4 | 0x8, 410, 0x1 | 0x8);
diff --git a/src/server/scripts/EasternKingdoms/Deadmines/instance_deadmines.cpp b/src/server/scripts/EasternKingdoms/Deadmines/instance_deadmines.cpp
index 64445ee9dd6..a5ee34770bd 100644
--- a/src/server/scripts/EasternKingdoms/Deadmines/instance_deadmines.cpp
+++ b/src/server/scripts/EasternKingdoms/Deadmines/instance_deadmines.cpp
@@ -130,7 +130,6 @@ class instance_deadmines : public InstanceMapScript
                 SetBossNumber(map->IsHeroic() ? EncounterCount : EncounterCount - 1); // Vanessa van Cleef only in heroic mode
                 LoadDoorData(doorData);
                 LoadObjectData(creatureData, gameobjectData);
-                _teamInInstance = 0;
                 _foeReaper5000Intro = 0;
                 _ironCladDoorState = 0;
                 _goblinEventState = 0;
@@ -146,12 +145,6 @@ class instance_deadmines : public InstanceMapScript
             void OnPlayerEnter(Player* player) override
             {
                 instance->LoadGrid(-205.75f, -579.09f);
-                if (!_teamInInstance && !instance->IsHeroic())
-                {
-                    _teamInInstance = player->GetTeam();
-                    instance->SpawnGroupSpawn(_teamInInstance == ALLIANCE ? SPAWN_GROUP_ALLIANCE_ENTRANCE : SPAWN_GROUP_HORDE_ENTRANCE);
-                }
-
                 if (!_cookieSpawnChecked)
                 {
                     if (GetBossState(DATA_ADMIRAL_RIPSNARL) == DONE && GetBossState(DATA_CAPTAIN_COOKIE) != DONE)
@@ -914,7 +907,6 @@ class instance_deadmines : public InstanceMapScript
             uint8 _activatedVentCounter;
             uint8 _deadEnragedWorgen;
             uint8 _goblinEventState;
-            uint32 _teamInInstance;
             uint32 _foeReaper5000Intro;
             uint32 _ironCladDoorState;
             uint32 _vanessaVanCleefEncounterState;