diff --git a/shadowsocks-csharp/Controller/FileManager.cs b/shadowsocks-csharp/Controller/FileManager.cs
index 7c681f9c..f6edf147 100755
--- a/shadowsocks-csharp/Controller/FileManager.cs
+++ b/shadowsocks-csharp/Controller/FileManager.cs
@@ -43,25 +43,5 @@ namespace Shadowsocks.Controller
             destinationFile.Close();
         }
 
-        public static void CompressFile(string fileName, byte[] content)
-        {
-            FileStream destinationFile = File.Create(fileName);
-            MemoryStream ms = new MemoryStream(content);
-
-            // Because the compressed size of the file is unknown,
-            // we are using an arbitrary buffer size.
-            byte[] buffer = new byte[4096];
-            int n;
-
-            using (GZipStream output = new GZipStream(destinationFile,
-                CompressionMode.Compress, false))
-            {
-                while ((n = ms.Read(buffer, 0, buffer.Length)) > 0)
-                {
-                    output.Write(buffer, 0, n);
-                }
-            }
-            destinationFile.Close();
-        }
     }
 }
diff --git a/shadowsocks-csharp/Controller/Logging.cs b/shadowsocks-csharp/Controller/Logging.cs
index aa06c24e..f2b170b0 100755
--- a/shadowsocks-csharp/Controller/Logging.cs
+++ b/shadowsocks-csharp/Controller/Logging.cs
@@ -18,20 +18,11 @@ namespace Shadowsocks.Controller
             {
                 LogFilePath = Utils.GetTempPath("shadowsocks.log");
 
-                if (!File.Exists(LogFilePath))
-                    using (File.Create(LogFilePath)) { }
-                LogFileCreationTime = File.GetCreationTime(LogFilePath);
-
-                if ((DateTime.Now - LogFileCreationTime).Days >= 1)
-                    RollLogFile();
-                else
-                {
-                    FileStream fs = new FileStream(LogFilePath, FileMode.Append);
-                    StreamWriterWithTimestamp sw = new StreamWriterWithTimestamp(fs);
-                    sw.AutoFlush = true;
-                    Console.SetOut(sw);
-                    Console.SetError(sw);
-                }
+                FileStream fs = new FileStream(LogFilePath, FileMode.Append);
+                StreamWriterWithTimestamp sw = new StreamWriterWithTimestamp(fs);
+                sw.AutoFlush = true;
+                Console.SetOut(sw);
+                Console.SetError(sw);
 
                 return true;
             }
@@ -42,36 +33,8 @@ namespace Shadowsocks.Controller
             }
         }
 
-        private static void RollLogFile()
-        {
-            Console.Out.Close();
-            Console.Error.Close();
-
-            MemoryStream ms = new MemoryStream();
-            StreamWriterWithTimestamp sw = new StreamWriterWithTimestamp(ms);
-            sw.AutoFlush = true;
-            Console.SetOut(sw);
-            Console.SetError(sw);
-
-            byte[] logContents = File.ReadAllBytes(LogFilePath);
-            string datestr = DateTime.Now.AddDays(-1).ToString("yyyyMMdd");
-            string filepath = Utils.GetTempPath($"shadowsocks.{datestr}.log.zip");
-            FileManager.CompressFile(filepath, logContents);
-
-            File.Delete(LogFilePath);
-            FileStream fs = new FileStream(LogFilePath, FileMode.CreateNew);
-            LogFileCreationTime = DateTime.Now;
-            ms.CopyTo(fs);
-            StreamWriterWithTimestamp sw2 = new StreamWriterWithTimestamp(fs);
-            sw2.AutoFlush = true;
-            Console.SetOut(sw2);
-            Console.SetError(sw2);
-        }
-
         private static void WriteToLogFile(object o)
         {
-            if ((DateTime.Now - LogFileCreationTime).Days >= 1)
-                RollLogFile();
             Console.WriteLine(o);
         }