diff --git a/IO_ExternalEEPROM.h b/IO_ExternalEEPROM.h
deleted file mode 100644
index d2c90e5..0000000
--- a/IO_ExternalEEPROM.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- *  © 2023, Neil McKechnie. All rights reserved.
- *  
- *  This file is part of DCC++EX API
- *
- *  This 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.
- *
- *  It 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 CommandStation.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-/*
- * This device driver monitors the state of turnout objects and writes updates,
- * on change of state, to an external 24C128 (16kByte) or 24C256 (32kByte)
- * EEPROM device connected via I2C.
- * 
- * When the device is restarted, it repositions the turnouts in accordance
- * with the last saved position.
- * 
- * To create a device instance, 
- *    IO_ExternalEEPROM::create(0, 0, i2cAddress);
- * 
- * 
- */
-
-#ifndef IO_EXTERNALEEPROM_H
-#define IO_EXTERNALEEPROM_H
-
-#include "IODevice.h"
-#include "I2CManager.h"
-#include "Turnouts.h"
-
-class ExternalEEPROM : public IODevice {
-private:
-  // Here we define the device-specific variables.  
-  int _sizeInKBytes = 128;
-  Turnout *_turnout = 0;
-  int _lastTurnoutHash = 0;
-  I2CRB _rb;
-  uint8_t _buffer[32]; // 32 is max for Wire write
-
-public:
-  //  Static function to handle "IO_ExampleSerial::create(...)" calls.
-  static void create(I2CAddress i2cAddress, int sizeInKBytes) {
-    if (checkNoOverlap(0, 0, i2cAddress)) new ExternalEEPROM(i2cAddress, sizeInKBytes);
-  } 
-
-protected:
-  // Constructor. 
-  ExternalEEPROM(I2CAddress i2cAddress, int sizeInKBytes) {
-    _I2CAddress = i2cAddress;
-    _sizeInKBytes = sizeInKBytes;
-
-    // Set up I2C structures.
-    _rb.setWriteParams(_I2CAddress, _buffer, 32);
-
-    addDevice(this);
-  }
-
-  // Device-specific initialisation
-  void _begin() override {
-    I2CManager.begin();
-    I2CManager.setClock(1000000); // Max supported speed
-
-    if (I2CManager.exists(_I2CAddress)) {
-      // Initialise or read contents of EEPROM
-      // and set turnout states accordingly.
-      // Read 32 bytes from address 0x0000.
-      I2CManager.read(_I2CAddress, _buffer, 32, 2, 0, 0);
-      // Dump data
-      DIAG(F("EEPROM First 32 bytes:"));
-      for (int i=0; i<32; i+=8) 
-        DIAG(F("%d: %x %x %x %x %x %x %x %x"), 
-          i, _buffer[i], _buffer[i+1], _buffer[i+2], _buffer[i+3],
-          _buffer[i+4], _buffer[i+5], _buffer[i+6], _buffer[i+7]);
-
-#if defined(DIAG_IO)
-      _display();
-#endif
-    } else {
-      DIAG(F("ExternalEEPROM not found, I2C:%s"), _I2CAddress.toString());
-      _deviceState = DEVSTATE_FAILED;
-    }
-  }
-  
-  // Loop function to do background scanning of the turnouts
-  void _loop(unsigned long currentMicros) {
-    (void)currentMicros;  // Suppress compiler warnings
-
-    if (_rb.isBusy()) return;  // Can't do anything until previous request has completed.
-    if (_rb.status == I2C_STATUS_NEGATIVE_ACKNOWLEDGE) {
-      // Device not responding, probably still writing data, so requeue request
-      I2CManager.queueRequest(&_rb);
-      return;
-    }
-
-    if (_lastTurnoutHash != Turnout::turnoutlistHash) {
-      _lastTurnoutHash = Turnout::turnoutlistHash;
-      // Turnout list has changed, so pointer held from last run may be invalid
-      _turnout = 0;  // Start at the beginning of the list again.
-//#if defined(DIAG_IO)
-      DIAG(F("Turnout Hash Changed!"));
-//#endif
-    }
-
-    // Locate next turnout, or first one if there is no current one.
-    if (_turnout) 
-      _turnout = _turnout->next();
-    else
-      _turnout = Turnout::first();
-
-    // Retrieve turnout state
-    int turnoutID = _turnout->getId();
-    int turnoutState = _turnout->isThrown();
-    (void)turnoutID; // Suppress compiler warning
-    (void)turnoutState; // Suppress compiler warning
-
-    // TODO: Locate turnoutID in EEPROM (or EEPROM copy) and check if state has changed.
-    // TODO: If it has, then initiate a write of the updated state to EEPROM
-
-    delayUntil(currentMicros+5000);  // Write cycle time is 5ms max for FT24C256
-  }
-
-  // Display information about the device.
-  void _display() {
-    DIAG(F("ExternalEEPROM %dkBytes I2C:%s %S"), _sizeInKBytes, _I2CAddress.toString(),
-      _deviceState== DEVSTATE_FAILED ? F("OFFLINE") : F(""));
-  }
-
-
-};
-
-#endif // IO_EXTERNALEEPROM_H
\ No newline at end of file