diff --git a/src/Neo.Extensions/ByteArrayComparer.cs b/src/Neo.Extensions/ByteArrayComparer.cs
index 553f00f51a..b890b0b5bf 100644
--- a/src/Neo.Extensions/ByteArrayComparer.cs
+++ b/src/Neo.Extensions/ByteArrayComparer.cs
@@ -10,7 +10,6 @@
 // modifications are permitted.
 
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 
@@ -48,20 +47,5 @@ public int Compare(byte[]? x, byte[]? y)
             // value would be "int.MaxValue + 1"
             return unchecked(x.AsSpan().SequenceCompareTo(y.AsSpan()) * _direction);
         }
-
-        /// <inheritdoc />
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public int Compare(object? x, object? y)
-        {
-            if (ReferenceEquals(x, y)) return 0;
-
-            if (x is not null and not byte[])
-                throw new ArgumentException($"Unable to cast '{x.GetType().FullName}' to '{typeof(byte[]).FullName}'.");
-
-            if (y is not null and not byte[])
-                throw new ArgumentException($"Unable to cast '{y.GetType().FullName}' to '{typeof(byte[]).FullName}'.");
-
-            return Compare(x as byte[], y as byte[]);
-        }
     }
 }
diff --git a/src/Neo.Extensions/ByteArrayEqualityComparer.cs b/src/Neo.Extensions/ByteArrayEqualityComparer.cs
index a8f63cacd8..091185bd02 100644
--- a/src/Neo.Extensions/ByteArrayEqualityComparer.cs
+++ b/src/Neo.Extensions/ByteArrayEqualityComparer.cs
@@ -10,13 +10,12 @@
 // modifications are permitted.
 
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 
 namespace Neo.Extensions
 {
-    public class ByteArrayEqualityComparer : IEqualityComparer<byte[]>, IEqualityComparer
+    public class ByteArrayEqualityComparer : IEqualityComparer<byte[]>
     {
         public static readonly ByteArrayEqualityComparer Instance = new();
 
@@ -29,20 +28,6 @@ public bool Equals(byte[]? x, byte[]? y)
             return x.AsSpan().SequenceEqual(y.AsSpan());
         }
 
-        /// <inheritdoc />
-        public new bool Equals(object? x, object? y)
-        {
-            if (ReferenceEquals(x, y)) return true;     // Check is `null` or same object instance
-
-            if (x is not null and not byte[])
-                throw new ArgumentException($"Unable to cast '{x.GetType().FullName}' to '{typeof(byte[]).FullName}'.");
-
-            if (y is not null and not byte[])
-                throw new ArgumentException($"Unable to cast '{y.GetType().FullName}' to '{typeof(byte[]).FullName}'.");
-
-            return Equals(x as byte[], y as byte[]);    // if x or y isn't byte array they will be `null`
-        }
-
         /// <inheritdoc />
         public int GetHashCode([DisallowNull] byte[] obj) =>
             obj.XxHash3_32();