Do I need to close registry if i use OpenRemoteBaseKey and OpenSubKey

//*************BEGIN GENERAL TAB***********************************
            //BROWSING HISTORY/CHECK FOR NEWER VERSIONS OF STORED PAGES

            //Select the RegistryHive you wish to read from 
            RegistryKey key = RegistryKey.OpenRemoteBaseKey(RegistryHive.CurrentUser, "");

            //Select the path within the hive 
            Console.WriteLine("");
            RegistryKey subkey1 = key.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true);
            string[] names1 = subkey1.GetValueNames();
            string YesSyncMode5NameExists = "";
            string NoSyncMode5NameExists = "";

            foreach (string name in names1)
            {
                if (name.Equals("SyncMode5", StringComparison.CurrentCulture))
                {
                    // Found SyncMode5
                    YesSyncMode5NameExists = "1";
                    //NoSyncMode5NameExists = "99";
                    break;
                }
                else
                {
                    // No Found SyncMode5
                    NoSyncMode5NameExists = "1";
                    //subkey1.SetValue("SyncMode5", "2", RegistryValueKind.DWord);
                }
            }

            if (YesSyncMode5NameExists == "1")
            {
                Console.WriteLine("YES Found SyncMode5");
                int myValue = (int)subkey1.GetValue("SyncMode5");
                if (myValue != 2)
                                {
                    //Console.WriteLine("Setting the right GE Recommendation");
                    subkey1.SetValue("SyncMode5", "2", RegistryValueKind.DWord);

                }
            }
            if (NoSyncMode5NameExists == "1")
            {
                //Console.WriteLine("NO Found SyncMode5, creating it ");
                //Console.WriteLine("Setting the right GE Recommendation");
                subkey1.SetValue("SyncMode5", "2", RegistryValueKind.DWord);

            }