diff --git a/src/server/game/Battlefield/Battlefield.cpp b/src/server/game/Battlefield/Battlefield.cpp
index 0492d9e0a2..9381fd1284 100644
--- a/src/server/game/Battlefield/Battlefield.cpp
+++ b/src/server/game/Battlefield/Battlefield.cpp
@@ -407,6 +407,14 @@ void Battlefield::EndBattle(bool endByTimer)
     OnBattleEnd(endByTimer);
     sScriptMgr->OnBattlefieldWarEnd(this, endByTimer);
 
+    for (uint8 team = 0; team < PVP_TEAMS_COUNT; ++team)
+    {
+        for (ObjectGuid const& guid : Groups[team])
+            if (Group* group = sGroupMgr->GetGroupByGUID(guid.GetCounter()))
+                group->Disband();
+        Groups[team].clear();
+    }
+
     // Reset battlefield timer
     Timer = NoWarBattleTime;
     SendInitWorldStatesToAll();