diff --git a/Content.Server/Disposal/Unit/EntitySystems/DisposableSystem.cs b/Content.Server/Disposal/Unit/EntitySystems/DisposableSystem.cs
index cc9d2f711b..eb3cda4db9 100644
--- a/Content.Server/Disposal/Unit/EntitySystems/DisposableSystem.cs
+++ b/Content.Server/Disposal/Unit/EntitySystems/DisposableSystem.cs
@@ -36,8 +36,6 @@ namespace Content.Server.Disposal.Unit.EntitySystems
         private EntityQuery<PhysicsComponent> _physicsQuery;
         private EntityQuery<TransformComponent> _xformQuery;
 
-        private List<EntityUid> _entList = new();
-
         public override void Initialize()
         {
             base.Initialize();
@@ -119,15 +117,17 @@ namespace Content.Server.Disposal.Unit.EntitySystems
                 }
             }
 
-            _entList.Clear();
-            _entList.AddRange(holder.Container.ContainedEntities);
-
-            foreach (var entity in _entList)
+            // We're purposely iterating over all the holder's children
+            // because the holder might have something teleported into it,
+            // outside the usual container insertion logic.
+            var children = holderTransform.ChildEnumerator;
+            while (children.MoveNext(out var entity))
             {
                 RemComp<BeingDisposedComponent>(entity);
 
                 var meta = _metaQuery.GetComponent(entity);
-                _containerSystem.Remove((entity, null, meta), holder.Container, reparent: false, force: true);
+                if (holder.Container.Contains(entity))
+                    _containerSystem.Remove((entity, null, meta), holder.Container, reparent: false, force: true);
 
                 var xform = _xformQuery.GetComponent(entity);
                 if (xform.ParentUid != uid)