diff --git a/Content.Server/GameObjects/EntitySystems/AI/Pathfinding/Accessible/AiReachableSystem.cs b/Content.Server/GameObjects/EntitySystems/AI/Pathfinding/Accessible/AiReachableSystem.cs
index 9905bc9c3b..b7f0322969 100644
--- a/Content.Server/GameObjects/EntitySystems/AI/Pathfinding/Accessible/AiReachableSystem.cs
+++ b/Content.Server/GameObjects/EntitySystems/AI/Pathfinding/Accessible/AiReachableSystem.cs
@@ -125,6 +125,13 @@ namespace Content.Server.GameObjects.EntitySystems.AI.Pathfinding.Accessible
             _cachedAccessible.Clear();
         }
 
+        public void ResettingCleanup()
+        {
+            _queuedUpdates.Clear();
+            _regions.Clear();
+            _cachedAccessible.Clear();
+        }
+
         private void RecalculateNodeRegions(PathfindingChunkUpdateMessage message)
         {
             // TODO: Only need to do changed nodes ideally
diff --git a/Content.Server/GameTicking/GameTicker.cs b/Content.Server/GameTicking/GameTicker.cs
index 35d6509e9f..156fc374af 100644
--- a/Content.Server/GameTicking/GameTicker.cs
+++ b/Content.Server/GameTicking/GameTicker.cs
@@ -13,6 +13,7 @@ using Content.Server.GameObjects.Components.Observer;
 using Content.Server.GameObjects.Components.PDA;
 using Content.Server.Interfaces.GameObjects.Components.Interaction;
 using Content.Server.GameObjects.EntitySystems.AI.Pathfinding;
+using Content.Server.GameObjects.EntitySystems.AI.Pathfinding.Accessible;
 using Content.Server.GameTicking.GamePresets;
 using Content.Server.Interfaces;
 using Content.Server.Interfaces.Chat;
@@ -622,6 +623,7 @@ namespace Content.Server.GameTicking
 
             // Reset pathing system
             EntitySystem.Get<PathfindingSystem>().ResettingCleanup();
+            EntitySystem.Get<AiReachableSystem>().ResettingCleanup();
 
             _spawnedPositions.Clear();
             _manifest.Clear();