diff --git a/src/TDigestNet/TDigest.cs b/src/TDigestNet/TDigest.cs
index 97af0ff..9e8d11d 100644
--- a/src/TDigestNet/TDigest.cs
+++ b/src/TDigestNet/TDigest.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Buffers.Binary;
+using System.Buffers.Binary;
 using System.Runtime.CompilerServices;
 using TDigestNet.Internal;