diff --git a/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs b/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
index a854d554..aa5d3e0f 100644
--- a/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
+++ b/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
@@ -16,7 +16,6 @@
 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 using System;
-using System.Text;
 using System.Collections.Generic;
 using System.Diagnostics;
 
diff --git a/CSharp/Libraries/UniversalEditor.Core/IO/Writer.cs b/CSharp/Libraries/UniversalEditor.Core/IO/Writer.cs
index 221c3e45..25c78f99 100644
--- a/CSharp/Libraries/UniversalEditor.Core/IO/Writer.cs
+++ b/CSharp/Libraries/UniversalEditor.Core/IO/Writer.cs
@@ -16,7 +16,6 @@
 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 using System;
-using System.Diagnostics;
 
 namespace UniversalEditor.IO
 {