diff --git a/USB_Host_Shield/main.cpp b/USB_Host_Shield/main.cpp
deleted file mode 100644
index 0a50f68..0000000
--- a/USB_Host_Shield/main.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2009-2011 Oleg Mazurov, Circuits At Home, http://www.circuitsathome.com
- * MAX3421E USB host controller support
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the authors nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-/* Mouse communication via control endpoint */
-#include <spi.h>
-#include <max3421e.h>
-#include <usb.h>
- 
-#define DEVADDR 1
-#define CONFVALUE 1
- 
-void setup();
-void loop();
- 
-MAX3421E Max;
-USB Usb;
- 
-void setup()
-{
-    Serial.begin( 115200 );
-    Serial.println("Start");
-    Max.powerOn();
-    delay( 200 );
-}
- 
-void loop()
-{
- byte rcode;
-    Max.Task();
-    Usb.Task();
-    if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING ) {
-        mouse0_init();
-    }//if( Usb.getUsbTaskState() == USB_STATE_CONFIGURING...
-    if( Usb.getUsbTaskState() == USB_STATE_RUNNING ) {  //poll the keyboard
-        rcode = mouse0_poll();
-        if( rcode ) {
-          Serial.print("Mouse Poll Error: ");
-          Serial.println( rcode, HEX );
-        }//if( rcode...
-    }//if( Usb.getUsbTaskState() == USB_STATE_RUNNING...
-}
-/* Initialize mouse */
-void mouse0_init( void )
-{
- byte rcode = 0;  //return code
-  /**/
-  Usb.setDevTableEntry( 1, Usb.getDevTableEntry( 0,0 ) );              //copy device 0 endpoint information to device 1
-  /* Configure device */
-  rcode = Usb.setConf( DEVADDR, 0, CONFVALUE );
-  if( rcode ) {
-    Serial.print("Error configuring mouse. Return code : ");
-    Serial.println( rcode, HEX );
-    while(1);  //stop
-  }//if( rcode...
-  Usb.setUsbTaskState( USB_STATE_RUNNING );
-  return;
-}
-/* Poll mouse using Get Report and print result */
-byte mouse0_poll( void )
-{
-  byte rcode,i;
-  char buf[ 4 ] = { 0 };      //mouse buffer
-  static char old_buf[ 4 ] = { 0 };  //last poll
-    /* poll mouse */
-    rcode = Usb.getReport( DEVADDR, 0, 4, 0, 1, 0, buf );
-    if( rcode ) {  //error
-      return( rcode );
-    }
-    for( i = 0; i < 4; i++) {  //check for new information
-      if( buf[ i ] != old_buf[ i ] ) { //new info in buffer
-        break;
-      }
-    }
-    if( i == 4 ) {
-      return( 0 );  //all bytes are the same
-    }
-    /* print buffer */
-    if( buf[ 0 ] & 0x01 ) {
-      Serial.print("Button1 pressed ");
-    }
-    if( buf[ 0 ] & 0x02 ) {
-      Serial.print("Button2 pressed ");
-    }
-    if( buf[ 0 ] & 0x04 ) {
-      Serial.print("Button3 pressed ");
-    }
-    Serial.println("");
-    Serial.print("X-axis: ");
-    Serial.println( buf[ 1 ], DEC);
-    Serial.print("Y-axis: ");
-    Serial.println( buf[ 2 ], DEC);
-    Serial.print("Wheel: ");
-    Serial.println( buf[ 3 ], DEC);
-    for( i = 0; i < 4; i++ ) {
-      old_buf[ i ] = buf[ i ];  //copy buffer
-    }
-    Serial.println("");
-    return( rcode );
-}