diff --git a/src/SparseTransform.Tests/Library/Convert/DotWriterTests.cs b/src/SparseTransform.Tests/Library/Convert/DotWriterTests.cs
index ba7567816980e67e05112b8b277543566dd6d923..0a9eecb3e393f1ab526064eecbb8945d1b24d2ee 100644
--- a/src/SparseTransform.Tests/Library/Convert/DotWriterTests.cs
+++ b/src/SparseTransform.Tests/Library/Convert/DotWriterTests.cs
@@ -1,10 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Antlr4.Runtime;
-using System.Xml.Linq;
 using NUnit.Framework;
 using SparseTransform.DataStructures;
 using SparseTransform.Convert;
diff --git a/src/SparseTransform.Tests/Library/Convert/MatrixMarketReaderTest.cs b/src/SparseTransform.Tests/Library/Convert/MatrixMarketReaderTest.cs
index 74ad09fd7403112f9a3e02604ff82fca0611f263..8e27392cbd48139f80fa26bf4e94494540380478 100644
--- a/src/SparseTransform.Tests/Library/Convert/MatrixMarketReaderTest.cs
+++ b/src/SparseTransform.Tests/Library/Convert/MatrixMarketReaderTest.cs
@@ -1,10 +1,5 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Antlr4.Runtime;
-using System.Xml.Linq;
 using NUnit.Framework;
 using SparseTransform.DataStructures;
 using SparseTransform.Convert;
diff --git a/src/SparseTransform.Tests/Library/Convert/MatrixMarketWriterTest.cs b/src/SparseTransform.Tests/Library/Convert/MatrixMarketWriterTest.cs
index 23e7baae21498b07d8f4d1c059b8291e9e890a9b..7a8c17b69d0cedd2f8e648c5e11e4266ff371212 100644
--- a/src/SparseTransform.Tests/Library/Convert/MatrixMarketWriterTest.cs
+++ b/src/SparseTransform.Tests/Library/Convert/MatrixMarketWriterTest.cs
@@ -1,10 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Antlr4.Runtime;
-using System.Xml.Linq;
 using NUnit.Framework;
 using SparseTransform.DataStructures;
 using SparseTransform.Convert;