diff --git a/libraries/u8glib/u8g_u8toa.c b/libraries/u8glib/u8g_u8toa.c
deleted file mode 100644
--- a/libraries/u8glib/u8g_u8toa.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-
-  u8g_u8toa.c
-
-
-  Universal 8bit Graphics Library
-  
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification, 
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list 
-    of conditions and the following disclaimer.
-    
-  * 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.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.  
-  
-*/
-
-
-#include "u8g.h"
-
-static const unsigned char u8g_u8toa_tab[3]  = { 100, 10, 1 } ;
-const char *u8g_u8toap(char * dest, uint8_t v)
-{
-  uint8_t pos;
-  uint8_t d;
-  uint8_t c;
-  for( pos = 0; pos < 3; pos++ )
-  {
-      d = '0';
-      c = *(u8g_u8toa_tab+pos);
-      while( v >= c )
-      {
-	v -= c;
-	d++;
-      }
-      dest[pos] = d;
-  }  
-  dest[3] = '\0';
-  return dest;
-}
-
-/* v = value, d = number of digits */
-const char *u8g_u8toa(uint8_t v, uint8_t d)
-{
-  static char buf[4];
-  d = 3-d;
-  return u8g_u8toap(buf, v) + d;
-}
-