diff --git a/libraries/u8glib/u8g_dev_pcd8544_84x48.c b/libraries/u8glib/u8g_dev_pcd8544_84x48.c
deleted file mode 100644
--- a/libraries/u8glib/u8g_dev_pcd8544_84x48.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
-
-  u8g_dev_pcd8544_84x48.c
-  
-  Display: Nokia 84x48
-  
-  Status: Tested with PCF8812 Display
-  
-
-  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"
-
-#define WIDTH 84
-#define HEIGHT 48
-#define PAGE_HEIGHT 8
-
-
-static const uint8_t u8g_dev_pcd8544_init_seq[] PROGMEM = {
-  U8G_ESC_CS(0),             /* disable chip */
-  U8G_ESC_ADR(0),           /* instruction mode */
-  U8G_ESC_RST(1),           /* do reset low pulse with (1*16)+2 milliseconds */
-  U8G_ESC_CS(1),             /* enable chip */
-  0x021,		/* activate chip (PD=0), horizontal increment (V=0), enter extended command set (H=1) */
-  0x006,		/* temp. control: b10 = 2 */
-  0x013,		/* bias system 1:48 */
-  0x0c0,		/* medium Vop */
-  0x020,		/* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-  0x00c,		/* display on, normal operation */
-  U8G_ESC_DLY(100),       /* delay 100 ms */
-  0x020,		                /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-  0x00d,		                /* display on, invert */
-  U8G_ESC_DLY(100),       /* delay 100 ms */
-  U8G_ESC_DLY(100),       /* delay 100 ms */
-  0x020,		                /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-  0x00c,		                /* display on, normal */
-  U8G_ESC_DLY(100),       /* delay 100 ms */
-  U8G_ESC_CS(0),             /* disable chip */
-  U8G_ESC_END                /* end of sequence */
-};
-
-
-static const uint8_t u8g_dev_pcd8544_sleep_on[] PROGMEM = {
-  U8G_ESC_ADR(0),           	/* instruction mode */
-  U8G_ESC_CS(1),             	/* enable chip */
-  
-  0x020,		                /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-  0x00c,		                /* display on, normal */
-  U8G_ESC_CS(1),             	/* disable chip */
-  U8G_ESC_END                	/* end of sequence */
-};
-
-static const uint8_t u8g_dev_pcd8544_sleep_off[] PROGMEM = {
-  U8G_ESC_ADR(0),           	/* instruction mode */
-  U8G_ESC_CS(1),             	/* enable chip */
-  0x020,		                /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-  0x008,		                /* display blank */
-  0x024,		                /* power down (PD=1), horizontal increment (V=0), enter normal command set (H=0) */
-  
-  U8G_ESC_DLY(50),       	/* delay 50 ms */
-  U8G_ESC_CS(1),             	/* disable chip */
-  U8G_ESC_END                	/* end of sequence */
-};
-
-
-uint8_t u8g_dev_pcd8544_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
-    case U8G_DEV_MSG_INIT:
-      u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
-      u8g_WriteEscSeqP(u8g, dev, u8g_dev_pcd8544_init_seq);
-      break;
-    case U8G_DEV_MSG_STOP:
-      break;
-    case U8G_DEV_MSG_PAGE_NEXT:
-      {
-        u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-        u8g_SetAddress(u8g, dev, 0);           /* command mode */
-        u8g_SetChipSelect(u8g, dev, 1);
-        u8g_WriteByte(u8g, dev, 0x020 );		/* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
-        u8g_WriteByte(u8g, dev, 0x080 );                        /* set X address */
-        u8g_WriteByte(u8g, dev, 0x040 | pb->p.page); /* set Y address */
-        u8g_SetAddress(u8g, dev, 1);           /* data mode */
-        if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
-          return 0;
-        u8g_SetChipSelect(u8g, dev, 0);
-      }
-      break;
-    case U8G_DEV_MSG_CONTRAST:
-      /* the contrast adjustment does not work, needs to be analysed */
-      u8g_SetAddress(u8g, dev, 0);          /* instruction mode */
-      u8g_SetChipSelect(u8g, dev, 1);
-      u8g_WriteByte(u8g, dev, 0x021);        /* command mode, extended function set */
-      u8g_WriteByte(u8g, dev, 0x080 | ( (*(uint8_t *)arg) >> 1 ) );
-      u8g_SetChipSelect(u8g, dev, 0);
-      return 1;
-    case U8G_DEV_MSG_SLEEP_ON:
-      u8g_WriteEscSeqP(u8g, dev, u8g_dev_pcd8544_sleep_on);    
-      return 1;
-    case U8G_DEV_MSG_SLEEP_OFF:
-      u8g_WriteEscSeqP(u8g, dev, u8g_dev_pcd8544_sleep_off);    
-      return 1;
-  }
-  return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
-}
-
-
-U8G_PB_DEV(u8g_dev_pcd8544_84x48_sw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_pcd8544_fn, U8G_COM_SW_SPI);
-U8G_PB_DEV(u8g_dev_pcd8544_84x48_hw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_pcd8544_fn, U8G_COM_HW_SPI);
-