diff --git a/build.gradle b/build.gradle
index b4cdf1b..4911942 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ import org.apache.tools.ant.filters.ReplaceTokens
 apply plugin: 'java'
 
 group = 'com.github.Mori01231'
-version = '1.1.0'
+version = '1.2.0'
 
 sourceCompatibility = '1.8'
 targetCompatibility = '1.8'
diff --git a/src/main/java/com/github/mori01231/aziswitch/AziSwitch.java b/src/main/java/com/github/mori01231/aziswitch/AziSwitch.java
index d63aa37..208fa77 100644
--- a/src/main/java/com/github/mori01231/aziswitch/AziSwitch.java
+++ b/src/main/java/com/github/mori01231/aziswitch/AziSwitch.java
@@ -23,7 +23,6 @@ public void onEnable() {
         configManager.loadConfig();
 
         this.getCommand("switch").setExecutor(new SwitchCommandExecutor());
-        this.getCommand("newswitchgroup").setExecutor(new NewSwitchGroupCommandExecutor());
         getServer().getPluginManager().registerEvents(new PlayerJoinEventListener(),this);
     }
 
diff --git a/src/main/java/com/github/mori01231/aziswitch/NewSwitchGroupCommandExecutor.java b/src/main/java/com/github/mori01231/aziswitch/NewSwitchGroupCommandExecutor.java
deleted file mode 100644
index 1f9b51b..0000000
--- a/src/main/java/com/github/mori01231/aziswitch/NewSwitchGroupCommandExecutor.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package com.github.mori01231.aziswitch;
-
-import org.bukkit.ChatColor;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-
-import java.util.List;
-
-import static org.bukkit.Bukkit.getServer;
-
-public class NewSwitchGroupCommandExecutor implements CommandExecutor {
-    private final String pluginName =  AziSwitch.getInstance().getDescription().getPrefix();
-
-    @Override
-    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-
-        // First argument is the group name.
-        String groupName = args[0];
-
-        // Initial variable to indicate mode.
-        String creationMode = "all";
-
-        // Determine mode
-        if(args.length >= 2){
-            // Set creation mode to single if the second argument is "single"
-            if(args[1].equalsIgnoreCase("single")){
-                creationMode = "single";
-            }
-
-            // if the second argument is invalid, give an error and return
-            else if(!args[1].equalsIgnoreCase("all")){
-                sender.sendMessage(ChatColor.translateAlternateColorCodes('&',"&7[&b"+pluginName+"&7]&r &cモードはsingleもしくはallで設定してください。" ));
-                return true;
-            }
-        }
-
-        // Make a group a switch group for a single server.
-        if(creationMode.equalsIgnoreCase("single")){
-            // Add the group to the list of single server groups in config.
-            List<String> singleServerGroups = AziSwitch.getInstance().getConfig().getStringList("SingleServerGroups");
-            singleServerGroups.add(groupName);
-            configManager.setSingleServerGroups(singleServerGroups);
-
-            createGroups(groupName);
-        }
-
-        // Make a group a switch group for all servers.
-        else{
-            // Add the group to the list of all server groups in config.
-            List<String> allServerGroups = AziSwitch.getInstance().getConfig().getStringList("AllServerGroups");
-            allServerGroups.add(groupName);
-            configManager.setAllServerGroups(allServerGroups);
-
-            createGroups(groupName);
-        }
-
-        return true;
-    }
-
-    public void createGroups(String groupName){
-        sendCommand("lp creategroup " + groupName);
-        sendCommand("lp g " + groupName + " permission set aziswitch.* false");
-        sendCommand("lp g " + groupName + " permission set aziswitch.is" + groupName + " true");
-        sendCommand("lp creategroup switch" + groupName);
-        sendCommand("lp g switch" + groupName + " permission set aziswitch.* false");
-        sendCommand("lp g switch" + groupName + " permission set aziswitch.switch" + groupName + " true");
-    }
-
-    public void sendCommand(String command){
-        getServer().dispatchCommand(getServer().getConsoleSender(), command);
-    }
-}
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index b88189e..aa77b14 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -10,9 +10,6 @@ commands:
   switch:
     description: 運営モードとサバ民モードを行き来する。
     usage: エラー。/switchで運営モードを変更できます。
-  newswitchgroup:
-    description: Switch可能なグループを作成する。
-    usage: エラー。/newswitchgroup グループ名 でグループの作成が可能です。
 
 permissions:
   aziswitch.*: