diff --git a/src/Neo.VM/ReferenceCounterV2.cs b/src/Neo.VM/ReferenceCounterV2.cs
deleted file mode 100644
index 42a81cf8d2..0000000000
--- a/src/Neo.VM/ReferenceCounterV2.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright (C) 2015-2024 The Neo Project.
-//
-// ReferenceCounterV2.cs file belongs to the neo project and is free
-// software distributed under the MIT software license, see the
-// accompanying file LICENSE in the main directory of the
-// repository or http://www.opensource.org/licenses/mit-license.php
-// for more details.
-//
-// Redistribution and use in source and binary forms with or without
-// modifications are permitted.
-
-using Neo.VM.Types;
-using System;
-using System.Collections.Generic;
-
-namespace Neo.VM
-{
- ///
- /// Used for reference counting of objects in the VM.
- ///
- public sealed class ReferenceCounterV2 : IReferenceCounter
- {
- private class Counter
- {
- public int Count;
- }
-
- private readonly Dictionary _items = new(ReferenceEqualityComparer.Instance);
-
- ///
- /// Gets the count of references.
- ///
- public int Count { get; private set; }
-
- ///
- /// Adds item to Reference Counter
- ///
- /// The item to add.
- /// Number of similar entries
- public void AddStackReference(StackItem item, int count = 1)
- {
- if (!_items.TryGetValue(item, out var referencesCount))
- {
- _items[item] = new Counter() { Count = count };
- }
- else
- {
- referencesCount.Count += count;
- }
-
- // Increment the reference count.
- Count += count;
- }
-
- ///
- /// Removes item from Reference Counter
- ///
- /// The item to remove.
- public void RemoveStackReference(StackItem item)
- {
- if (!_items.TryGetValue(item, out var referencesCount))
- {
- throw new InvalidOperationException("Reference was not added");
- }
- else
- {
- referencesCount.Count--;
-
- if (referencesCount.Count < 0)
- {
- throw new InvalidOperationException("Reference was not added");
- }
- }
-
- // Decrement the reference count.
- Count--;
- }
-
- public void AddReference(StackItem item, CompoundType parent)
- {
- AddStackReference(item);
- }
-
- public void RemoveReference(StackItem item, CompoundType parent)
- {
- RemoveStackReference(item);
- }
-
- public void AddZeroReferred(StackItem item)
- {
- // This version don't use this method
- // AddStackReference(item);
- }
-
- ///
- /// Checks and processes items that have zero references.
- ///
- /// The current reference count.
- public int CheckZeroReferred()
- {
- return Count;
- }
- }
-}