diff --git a/src/GxEPD2_154_D67-B.cpp b/src/GxEPD2_154_D67-B.cpp
deleted file mode 100644
index 572ebd9..0000000
--- a/src/GxEPD2_154_D67-B.cpp
+++ /dev/null
@@ -1,378 +0,0 @@
-// Display Library for SPI e-paper panels from Dalian Good Display and boards from Waveshare.
-// Requires HW SPI and Adafruit_GFX. Caution: the e-paper panels require 3.3V supply AND data lines!
-//
-// based on Demo Example from Good Display, available here: http://www.e-paper-display.com/download_detail/downloadsId=806.html
-// Panel: GDEH0154D67 : http://www.e-paper-display.com/products_detail/productId=455.html
-// Controller : SSD1681 : http://www.e-paper-display.com/download_detail/downloadsId=825.html
-//
-// Author: Jean-Marc Zingg
-//
-// Version: see library.properties
-//
-// Library: https://github.com/ZinggJM/GxEPD2
-
-#include "GxEPD2_154_D67-B.h"                   // GuruSR:  Changed for setDarkBorder
-
-GxEPD2_154_D67::GxEPD2_154_D67(int8_t cs, int8_t dc, int8_t rst, int8_t busy) :
-  GxEPD2_EPD(cs, dc, rst, busy, HIGH, 10000000, WIDTH, HEIGHT, panel, hasColor, hasPartialUpdate, hasFastPartialUpdate)
-{
-}
-
-bool IsDark;                                    // GuruSR:  Changed for setDarkBorder
-void GxEPD2_154_D67::setDarkBorder(bool Dark){  // GuruSR:  Changed for setDarkBorder
-	IsDark=Dark;                                  // GuruSR:  Changed for setDarkBorder
-}                                               // GuruSR:  Changed for setDarkBorder
-
-void GxEPD2_154_D67::clearScreen(uint8_t value)
-{
-  writeScreenBuffer(value);
-  refresh(true);
-  writeScreenBufferAgain(value);
-}
-
-void GxEPD2_154_D67::writeScreenBuffer(uint8_t value)
-{
-  if (!_using_partial_mode) _Init_Part();
-  if (_initial_write) _writeScreenBuffer(0x26, value); // set previous
-  _writeScreenBuffer(0x24, value); // set current
-  _initial_write = false; // initial full screen buffer clean done
-}
-
-void GxEPD2_154_D67::writeScreenBufferAgain(uint8_t value)
-{
-  if (!_using_partial_mode) _Init_Part();
-  _writeScreenBuffer(0x24, value); // set current
-}
-
-void GxEPD2_154_D67::_writeScreenBuffer(uint8_t command, uint8_t value)
-{
-  _writeCommand(command);
-  for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
-  {
-    _writeData(value);
-  }
-}
-
-void GxEPD2_154_D67::writeImage(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::writeImageForFullRefresh(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  _writeImage(0x26, bitmap, x, y, w, h, invert, mirror_y, pgm);
-  _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::writeImageAgain(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::_writeImage(uint8_t command, const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
-  delay(1); // yield() to avoid WDT on ESP8266 and ESP32
-  int16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
-  x -= x % 8; // byte boundary
-  w = wb * 8; // byte boundary
-  int16_t x1 = x < 0 ? 0 : x; // limit
-  int16_t y1 = y < 0 ? 0 : y; // limit
-  int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
-  int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
-  int16_t dx = x1 - x;
-  int16_t dy = y1 - y;
-  w1 -= dx;
-  h1 -= dy;
-  if ((w1 <= 0) || (h1 <= 0)) return;
-  if (!_using_partial_mode) _Init_Part();
-  _setPartialRamArea(x1, y1, w1, h1);
-  _writeCommand(command);
-  for (int16_t i = 0; i < h1; i++)
-  {
-    for (int16_t j = 0; j < w1 / 8; j++)
-    {
-      uint8_t data;
-      // use wb, h of bitmap for index!
-      int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb;
-      if (pgm)
-      {
-#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
-        data = pgm_read_byte(&bitmap[idx]);
-#else
-        data = bitmap[idx];
-#endif
-      }
-      else
-      {
-        data = bitmap[idx];
-      }
-      if (invert) data = ~data;
-      _writeData(data);
-    }
-  }
-  delay(1); // yield() to avoid WDT on ESP8266 and ESP32
-}
-
-void GxEPD2_154_D67::writeImagePart(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-                                    int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  _writeImagePart(0x24, bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::writeImagePartAgain(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-    int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  _writeImagePart(0x24, bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::_writeImagePart(uint8_t command, const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-                                     int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
-  delay(1); // yield() to avoid WDT on ESP8266 and ESP32
-  if ((w_bitmap < 0) || (h_bitmap < 0) || (w < 0) || (h < 0)) return;
-  if ((x_part < 0) || (x_part >= w_bitmap)) return;
-  if ((y_part < 0) || (y_part >= h_bitmap)) return;
-  int16_t wb_bitmap = (w_bitmap + 7) / 8; // width bytes, bitmaps are padded
-  x_part -= x_part % 8; // byte boundary
-  w = w_bitmap - x_part < w ? w_bitmap - x_part : w; // limit
-  h = h_bitmap - y_part < h ? h_bitmap - y_part : h; // limit
-  x -= x % 8; // byte boundary
-  w = 8 * ((w + 7) / 8); // byte boundary, bitmaps are padded
-  int16_t x1 = x < 0 ? 0 : x; // limit
-  int16_t y1 = y < 0 ? 0 : y; // limit
-  int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
-  int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
-  int16_t dx = x1 - x;
-  int16_t dy = y1 - y;
-  w1 -= dx;
-  h1 -= dy;
-  if ((w1 <= 0) || (h1 <= 0)) return;
-  if (!_using_partial_mode) _Init_Part();
-  _setPartialRamArea(x1, y1, w1, h1);
-  _writeCommand(command);
-  for (int16_t i = 0; i < h1; i++)
-  {
-    for (int16_t j = 0; j < w1 / 8; j++)
-    {
-      uint8_t data;
-      // use wb_bitmap, h_bitmap of bitmap for index!
-      int16_t idx = mirror_y ? x_part / 8 + j + dx / 8 + ((h_bitmap - 1 - (y_part + i + dy))) * wb_bitmap : x_part / 8 + j + dx / 8 + (y_part + i + dy) * wb_bitmap;
-      if (pgm)
-      {
-#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
-        data = pgm_read_byte(&bitmap[idx]);
-#else
-        data = bitmap[idx];
-#endif
-      }
-      else
-      {
-        data = bitmap[idx];
-      }
-      if (invert) data = ~data;
-      _writeData(data);
-    }
-  }
-  delay(1); // yield() to avoid WDT on ESP8266 and ESP32
-}
-
-void GxEPD2_154_D67::writeImage(const uint8_t* black, const uint8_t* color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (black)
-  {
-    writeImage(black, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::writeImagePart(const uint8_t* black, const uint8_t* color, int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-                                    int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (black)
-  {
-    writeImagePart(black, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::writeNative(const uint8_t* data1, const uint8_t* data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (data1)
-  {
-    writeImage(data1, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::drawImage(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  writeImage(bitmap, x, y, w, h, invert, mirror_y, pgm);
-  refresh(x, y, w, h);
-  writeImageAgain(bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::drawImagePart(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-                                   int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  writeImagePart(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-  refresh(x, y, w, h);
-  writeImagePartAgain(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-}
-
-void GxEPD2_154_D67::drawImage(const uint8_t* black, const uint8_t* color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (black)
-  {
-    drawImage(black, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::drawImagePart(const uint8_t* black, const uint8_t* color, int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
-                                   int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (black)
-  {
-    drawImagePart(black, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::drawNative(const uint8_t* data1, const uint8_t* data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
-{
-  if (data1)
-  {
-    drawImage(data1, x, y, w, h, invert, mirror_y, pgm);
-  }
-}
-
-void GxEPD2_154_D67::refresh(bool partial_update_mode)
-{
-  if (partial_update_mode) refresh(0, 0, WIDTH, HEIGHT);
-  else
-  {
-    if (_using_partial_mode) _Init_Full();
-    _Update_Full();
-    _initial_refresh = false; // initial full update done
-  }
-}
-
-void GxEPD2_154_D67::refresh(int16_t x, int16_t y, int16_t w, int16_t h)
-{
-  if (_initial_refresh) return refresh(false); // initial update needs be full update
-  x -= x % 8; // byte boundary
-  w -= x % 8; // byte boundary
-  int16_t x1 = x < 0 ? 0 : x; // limit
-  int16_t y1 = y < 0 ? 0 : y; // limit
-  int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
-  int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
-  w1 -= x1 - x;
-  h1 -= y1 - y;
-  if (!_using_partial_mode) _Init_Part();
-  _setPartialRamArea(x1, y1, w1, h1);
-  _Update_Part();
-}
-
-void GxEPD2_154_D67::powerOff()
-{
-  _PowerOff();
-}
-
-void GxEPD2_154_D67::hibernate()
-{
-  _PowerOff();
-  if (_rst >= 0)
-  {
-    _writeCommand(0x10); // deep sleep mode
-    _writeData(0x1);     // enter deep sleep
-    _hibernating = true;
-  }
-}
-
-void GxEPD2_154_D67::_setPartialRamArea(uint16_t x, uint16_t y, uint16_t w, uint16_t h)
-{
-  _writeCommand(0x11); // set ram entry mode
-  _writeData(0x03);    // x increase, y increase : normal mode
-  _writeCommand(0x44);
-  _writeData(x / 8);
-  _writeData((x + w - 1) / 8);
-  _writeCommand(0x45);
-  _writeData(y % 256);
-  _writeData(y / 256);
-  _writeData((y + h - 1) % 256);
-  _writeData((y + h - 1) / 256);
-  _writeCommand(0x4e);
-  _writeData(x / 8);
-  _writeCommand(0x4f);
-  _writeData(y % 256);
-  _writeData(y / 256);
-}
-
-void GxEPD2_154_D67::_PowerOn()
-{
-  if (!_power_is_on)
-  {
-    _writeCommand(0x22);
-    _writeData(0xf8);
-    _writeCommand(0x20);
-    _waitWhileBusy("_PowerOn", power_on_time);
-  }
-  _power_is_on = true;
-}
-
-void GxEPD2_154_D67::_PowerOff()
-{
-  if (_power_is_on)
-  {
-    _writeCommand(0x22);
-    _writeData(0x83);
-    _writeCommand(0x20);
-    _waitWhileBusy("_PowerOff", power_off_time);
-  }
-  _power_is_on = false;
-  _using_partial_mode = false;
-}
-
-void GxEPD2_154_D67::_InitDisplay()
-{
-  if (_hibernating) _reset();
-  delay(10); // 10ms according to specs
-  _writeCommand(0x12); // soft reset
-  delay(10); // 10ms according to specs
-  _writeCommand(0x01); // Driver output control
-  _writeData(0xC7);
-  _writeData(0x00);
-  _writeData(0x00);
-  _writeCommand(0x3C); // BorderWavefrom
-  _writeData(IsDark ? 0x02 : 0x05);         // GuruSR:  Changed for setDarkBorder
-  _writeCommand(0x18); // Read built-in temperature sensor
-  _writeData(0x80);
-  _setPartialRamArea(0, 0, WIDTH, HEIGHT);
-}
-
-void GxEPD2_154_D67::_Init_Full()
-{
-  _InitDisplay();
-  _PowerOn();
-  _using_partial_mode = false;
-}
-
-void GxEPD2_154_D67::_Init_Part()
-{
-  _InitDisplay();
-  _PowerOn();
-  _using_partial_mode = true;
-}
-
-void GxEPD2_154_D67::_Update_Full()
-{
-  _writeCommand(0x22);
-  _writeData(0xf4);
-  _writeCommand(0x20);
-  _waitWhileBusy("_Update_Full", full_refresh_time);
-}
-
-void GxEPD2_154_D67::_Update_Part()
-{
-  _writeCommand(0x22);
-  _writeData(0xfc);
-  _writeCommand(0x20);
-  _waitWhileBusy("_Update_Part", partial_refresh_time);
-}