diff --git a/cprotocols.cpp b/cprotocols.cpp
deleted file mode 100644
index a62258b..0000000
--- a/cprotocols.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-//
-//  cprotocols.cpp
-//  xlxd
-//
-//  Created by Jean-Luc Deltombe (LX3JL) on 01/11/2015.
-//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
-//
-// ----------------------------------------------------------------------------
-//    This file is part of xlxd.
-//
-//    xlxd is free software: you can redistribute it and/or modify
-//    it under the terms of the GNU General Public License as published by
-//    the Free Software Foundation, either version 3 of the License, or
-//    (at your option) any later version.
-//
-//    xlxd is distributed in the hope that it will be useful,
-//    but WITHOUT ANY WARRANTY; without even the implied warranty of
-//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//    GNU General Public License for more details.
-//
-//    You should have received a copy of the GNU General Public License
-//    along with Foobar.  If not, see <http://www.gnu.org/licenses/>. 
-// ----------------------------------------------------------------------------
-
-#include "main.h"
-#include "cdextraprotocol.h"
-#include "cdplusprotocol.h"
-#include "cdcsprotocol.h"
-#include "cxlxprotocol.h"
-#include "cdmrplusprotocol.h"
-#include "cdmrmmdvmprotocol.h"
-#include "cprotocols.h"
-
-
-////////////////////////////////////////////////////////////////////////////////////////
-// constructor
-
-CProtocols::CProtocols()
-{
-    for ( unsigned int i = 0; i < m_Protocols.size(); i++ )
-    {
-        m_Protocols[i] = NULL;
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////////////
-// destructor
-
-CProtocols::~CProtocols()
-{
-    m_Mutex.lock();
-    {
-        for ( unsigned int i = 0; i < m_Protocols.size(); i++ )
-        {
-           delete m_Protocols[i];
-        }
-    }
-    m_Mutex.unlock();
-}
-
-////////////////////////////////////////////////////////////////////////////////////////
-// initialization
-
-bool CProtocols::Init(void)
-{
-    bool ok = true;
-    
-    m_Mutex.lock();
-    {
-        // create and initialize DEXTRA
-        delete m_Protocols[0];
-        m_Protocols[0] = new CDextraProtocol;
-        ok &= m_Protocols[0]->Init();
-        
-        // create and initialize DPLUS
-        delete m_Protocols[1];
-        m_Protocols[1] = new CDplusProtocol;
-        ok &= m_Protocols[1]->Init();
-        
-        // create and initialize DCS
-        delete m_Protocols[2];
-        m_Protocols[2] = new CDcsProtocol;
-        ok &= m_Protocols[2]->Init();
-        
-        // create and initialize XLX - interlink
-        delete m_Protocols[3];
-        m_Protocols[3] = new CXlxProtocol;
-        ok &= m_Protocols[3]->Init();
-        
-        // create and initialize DMRPLUS
-        delete m_Protocols[4];
-        m_Protocols[4] = new CDmrplusProtocol;
-        ok &= m_Protocols[4]->Init();
-        
-        // create and initialize DMRMMDVM
-        delete m_Protocols[5];
-        m_Protocols[5] = new CDmrmmdvmProtocol;
-        ok &= m_Protocols[5]->Init();
-    }
-    m_Mutex.unlock();
-   
-    // done
-    return ok;
-}
-
-void CProtocols::Close(void)
-{
-    m_Mutex.lock();
-    {
-        for ( unsigned int i = 0; i < m_Protocols.size(); i++ )
-        {
-            m_Protocols[i]->Close();
-        }
-    }
-    m_Mutex.unlock();
-}