diff --git a/Software/EQG2HBX/HBXComms.h b/Software/EQG2HBX/HBXComms.h
deleted file mode 100644
index 0af4cfb..0000000
--- a/Software/EQG2HBX/HBXComms.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright 2017, 2018 John Archbold
-*/
-#include <Arduino.h>
-
-/********************************************************
-  EQG Protocol function definitions
-  =================================
- *********************************************************/
-#ifndef HBXComms
-#define HBXComms
-
-// Pin definitions for HBX interface
-// =================================
-#ifdef m2560
-#define HDA1            8           // Pin2, 4, 6 on HBX interface
-#define HCL1            2           // Pin3 on HBX interface
-#define HDA2            10          // Not used
-#define HCL2            3           // Pin5 on HBX interface
-#endif
-
-#ifdef  mESP32
-#define HDA1            25          // Pin2, 4, 6 on HBX interface
-#define HCL1            26          // Pin3 on HBX interface
-#define HCL2            27          // Pin5 on HBX interface
-#endif
-
-#define CR              0x0d
-#define LF              0x0a
-
-#define HBXLEN	16
-#define HBXMASK	HBXLEN-1
-
-#define H2XRESETTIME  25             // Reset H2X bus
-#define BITTIME       120            // H2X clock ~200uS i.e 100us Low/High
-#define HIGHTIME      120            // H2X clock ~200uS i.e 100us Low/High
-#define LOWTIME       120            // H2X clock ~200uS i.e 100us Low/High
-#define DSTABLE       60             // H2X data write delay ~ 50uS
-#define DGLITCH       5              // H2X data glitch sample
-#define ETXDELAY      6.55           // H2X ETX poll delay (mS)
-#define CMNDTIME      1              // H2X command delay (mS)
-#define STARTTIME     50             // H2X startup time for motors
-#define CLOCKTIMEOUT  50             // H2X Clock transition timeout (uS) (for monitor mode)
-#define MOTORDETECT   500            // H2X Detect Motor controller
-
-unsigned char HBXBitTime = 128;
-
-void TimerDelayuS(unsigned int);
-
-bool HBXSendCommand(unsigned char, unsigned char);
-bool HBXStartSequence(unsigned char);
-void HBXSendByte(unsigned char, unsigned char);
-unsigned char HBXGetByte(unsigned char);
-void HBXSend2Bytes(unsigned char);
-void HBXSend3Bytes(unsigned char);
-void HBXGet3Bytes(unsigned char);
-
-void HBXTestLoop(void);
-void HBXMonitorMode(void);
-bool HBXMonitorHCL(unsigned char);
-bool HBXMonitorBit(unsigned char);
-bool HBXMonitorByte(unsigned char);
-void HBXMonitorEnd(unsigned char);
-void HBXMonitorMessage(unsigned char);
-void HBXSaveState(unsigned char);
-void HBXPrintStatus(unsigned char);
-void HBXPrintState(unsigned char);
-
-void HDAListen(void);
-void HDATalk(void);
-void HCL1Listen(void);
-void HCL1Talk(void);
-void HCL2Listen(void);
-void HCL2Talk(void);
-void H2XReset(void);
-bool ResetMotor(unsigned char);
-
-long TwosComplement(long);
-
-// Monitor
-void HBXMonitorLoop(void);
-
-// Testing
-void HBXTest(void);
-bool HBXGet2Status(void);
-
-#endif
-