diff --git a/src/com/jsaasta/froj/stdlib/socket/SocketServer.java b/src/com/jsaasta/froj/stdlib/socket/SocketServer.java
index d4357d6..f6dbd0d 100644
--- a/src/com/jsaasta/froj/stdlib/socket/SocketServer.java
+++ b/src/com/jsaasta/froj/stdlib/socket/SocketServer.java
@@ -5,8 +5,6 @@ import com.jsaasta.froj.Interpreter;
 import com.jsaasta.froj.stdlib.StdlibRuntimeError;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.List;
diff --git a/src/com/jsaasta/froj/stdlib/socket/SocketClient.java b/src/com/jsaasta/tool/SocketClient.java
similarity index 91%
rename from src/com/jsaasta/froj/stdlib/socket/SocketClient.java
rename to src/com/jsaasta/tool/SocketClient.java
index 0e3d507..7bb3475 100644
--- a/src/com/jsaasta/froj/stdlib/socket/SocketClient.java
+++ b/src/com/jsaasta/tool/SocketClient.java
@@ -1,10 +1,10 @@
-package com.jsaasta.froj.stdlib.socket;
+package com.jsaasta.tool;
 
 import java.io.*;
 import java.net.ConnectException;
 import java.net.Socket;
 
-public class SocketClient {
+class SocketClient {
 
     public static void main(String[] args) throws IOException {
         while(true) {
@@ -19,7 +19,7 @@ public class SocketClient {
         }
     }
 
-    public static String sendMessage(String message) throws IOException {
+    private static String sendMessage(String message) throws IOException {
         Socket socket = null;
         try {
             socket = new Socket("localhost", 8000);