diff --git a/Conf.cpp b/Conf.cpp
index 71976d8..961959e 100644
--- a/Conf.cpp
+++ b/Conf.cpp
@@ -204,7 +204,6 @@ m_fmCTCSSHighThreshold(30U),
 m_fmCTCSSLowThreshold(20U),
 m_fmCTCSSLevel(2.0F),
 m_fmKerchunkTime(0U),
-m_fmKerchunkTX(true),
 m_fmHangTime(7U),
 m_fmUseCOS(true),
 m_fmCOSInvert(false),
@@ -801,8 +800,6 @@ bool CConf::read()
 				m_fmCTCSSLevel = float(::atof(value));
 			else if (::strcmp(key, "KerchunkTime") == 0)
 				m_fmKerchunkTime = (unsigned int)::atoi(value);
-			else if (::strcmp(key, "KerchunkTX") == 0)
-				m_fmKerchunkTX = ::atoi(value) == 1;
 			else if (::strcmp(key, "HangTime") == 0)
 				m_fmHangTime = (unsigned int)::atoi(value);
 			else if (::strcmp(key, "UseCOS") == 0)
@@ -1736,11 +1733,6 @@ unsigned int CConf::getFMKerchunkTime() const
 	return m_fmKerchunkTime;
 }
 
-bool CConf::getFMKerchunkTX() const
-{
-	return m_fmKerchunkTX;
-}
-
 unsigned int CConf::getFMHangTime() const
 {
 	return m_fmHangTime;
diff --git a/Conf.h b/Conf.h
index dd830c3..49ec140 100644
--- a/Conf.h
+++ b/Conf.h
@@ -207,7 +207,6 @@ public:
   unsigned int getFMCTCSSLowThreshold() const;
   float        getFMCTCSSLevel() const;
   unsigned int getFMKerchunkTime() const;
-  bool         getFMKerchunkTX() const;
   unsigned int getFMHangTime() const;
   bool         getFMUseCOS() const;
   bool         getFMCOSInvert() const;
@@ -497,7 +496,6 @@ private:
   unsigned int m_fmCTCSSLowThreshold;
   float        m_fmCTCSSLevel;
   unsigned int m_fmKerchunkTime;
-  bool         m_fmKerchunkTX;
   unsigned int m_fmHangTime;
   bool         m_fmUseCOS;
   bool         m_fmCOSInvert;
diff --git a/MMDVM.ini b/MMDVM.ini
index 1435956..0439646 100644
--- a/MMDVM.ini
+++ b/MMDVM.ini
@@ -170,7 +170,6 @@ CTCSSThreshold=30
 # CTCSSLowThreshold=20
 CTCSSLevel=20
 KerchunkTime=0
-KerchunkTX=1
 HangTime=7
 UseCOS=1
 COSInvert=0
diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp
index 6703f90..714699a 100644
--- a/MMDVMHost.cpp
+++ b/MMDVMHost.cpp
@@ -1377,7 +1377,6 @@ bool CMMDVMHost::createModem()
 		unsigned int ctcssLowThreshold  = m_conf.getFMCTCSSLowThreshold();
 		float        ctcssLevel         = m_conf.getFMCTCSSLevel();
 		unsigned int kerchunkTime       = m_conf.getFMKerchunkTime();
-		bool         kerchunkTX         = m_conf.getFMKerchunkTX();
 		unsigned int hangTime           = m_conf.getFMHangTime();
 		bool         useCOS             = m_conf.getFMUseCOS();
 		bool         cosInvert          = m_conf.getFMCOSInvert();
@@ -1409,7 +1408,6 @@ bool CMMDVMHost::createModem()
 		LogInfo("    CTCSS Low Threshold: %u", ctcssLowThreshold);
 		LogInfo("    CTCSS Level: %.1f%%", ctcssLevel);
 		LogInfo("    Kerchunk Time: %us", kerchunkTime);
-		LogInfo("    Kerchunk TX: %s", kerchunkTX ? "yes" : "no");
 		LogInfo("    Hang Time: %us", hangTime);
 		LogInfo("    Use COS: %s", useCOS ? "yes" : "no");
 		LogInfo("    COS Invert: %s", cosInvert ? "yes" : "no");
@@ -1419,7 +1417,7 @@ bool CMMDVMHost::createModem()
 
 		m_modem->setFMCallsignParams(callsign, callsignSpeed, callsignFrequency, callsignTime, callsignHoldoff, callsignHighLevel, callsignLowLevel, callsignAtStart, callsignAtEnd, callsignAtLatch);
 		m_modem->setFMAckParams(rfAck, ackSpeed, ackFrequency, ackMinTime, ackDelay, ackLevel);
-		m_modem->setFMMiscParams(timeout, timeoutLevel, ctcssFrequency, ctcssHighThreshold, ctcssLowThreshold, ctcssLevel, kerchunkTime, kerchunkTX, hangTime, useCOS, cosInvert, rfAudioBoost, maxDevLevel);
+		m_modem->setFMMiscParams(timeout, timeoutLevel, ctcssFrequency, ctcssHighThreshold, ctcssLowThreshold, ctcssLevel, kerchunkTime, hangTime, useCOS, cosInvert, rfAudioBoost, maxDevLevel);
 
 		if (m_conf.getFMNetworkEnabled()) {
 			std::string  extAck        = m_conf.getFMExtAck();
diff --git a/Modem.h b/Modem.h
index d5fc4b3..4fba648 100644
--- a/Modem.h
+++ b/Modem.h
@@ -40,7 +40,7 @@ public:
 
 	virtual void setFMCallsignParams(const std::string& callsign, unsigned int callsignSpeed, unsigned int callsignFrequency, unsigned int callsignTime, unsigned int callsignHoldoff, float callsignHighLevel, float callsignLowLevel, bool callsignAtStart, bool callsignAtEnd, bool callsignAtLatch) = 0;
 	virtual void setFMAckParams(const std::string& rfAck, unsigned int ackSpeed, unsigned int ackFrequency, unsigned int ackMinTime, unsigned int ackDelay, float ackLevel) = 0;
-	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, bool kerchunkTX, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel) = 0;
+	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel) = 0;
 	virtual void setFMExtParams(const std::string& ack, unsigned int audioBoost) = 0;
 
 	virtual bool open() = 0;
diff --git a/NullModem.h b/NullModem.h
index 5ab0dd0..3f73083 100644
--- a/NullModem.h
+++ b/NullModem.h
@@ -42,7 +42,7 @@ public:
 
 	virtual void setFMCallsignParams(const std::string& callsign, unsigned int callsignSpeed, unsigned int callsignFrequency, unsigned int callsignTime, unsigned int callsignHoldoff, float callsignHighLevel, float callsignLowLevel, bool callsignAtStart, bool callsignAtEnd, bool callsignAtLatch) {};
 	virtual void setFMAckParams(const std::string& rfAck, unsigned int ackSpeed, unsigned int ackFrequency, unsigned int ackMinTime, unsigned int ackDelay, float ackLevel) {};
-	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, bool kerchunkTX, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel) {};
+	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel) {};
 	virtual void setFMExtParams(const std::string& ack, unsigned int audioBoost) {};
 
 	virtual bool open();
diff --git a/SerialModem.cpp b/SerialModem.cpp
index 5fe164b..37e87dc 100644
--- a/SerialModem.cpp
+++ b/SerialModem.cpp
@@ -220,7 +220,6 @@ m_fmCtcssHighThreshold(30U),
 m_fmCtcssLowThreshold(20U),
 m_fmCtcssLevel(10.0F),
 m_fmKerchunkTime(0U),
-m_fmKerchunkTX(true),
 m_fmHangTime(5U),
 m_fmUseCOS(true),
 m_fmCOSInvert(false),
@@ -2184,7 +2183,7 @@ void CSerialModem::setFMAckParams(const std::string& rfAck, unsigned int ackSpee
 	m_fmAckLevel     = ackLevel;
 }
 
-void CSerialModem::setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, bool kerchunkTX, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel)
+void CSerialModem::setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel)
 {
 	m_fmTimeout      = timeout;
 	m_fmTimeoutLevel = timeoutLevel;
@@ -2195,7 +2194,6 @@ void CSerialModem::setFMMiscParams(unsigned int timeout, float timeoutLevel, flo
 	m_fmCtcssLevel         = ctcssLevel;
 
 	m_fmKerchunkTime = kerchunkTime;
-	m_fmKerchunkTX   = kerchunkTX;
 
 	m_fmHangTime     = hangTime;
 
@@ -2352,8 +2350,6 @@ bool CSerialModem::setFMMiscParams()
 		buffer[11U] |= 0x01U;
 	if (m_fmCOSInvert)
 		buffer[11U] |= 0x02U;
-	if (m_fmKerchunkTX)
-		buffer[11U] |= 0x04U;
 
 	buffer[12U] = m_fmRFAudioBoost;
 
diff --git a/SerialModem.h b/SerialModem.h
index 9ec4d85..9befe26 100644
--- a/SerialModem.h
+++ b/SerialModem.h
@@ -60,7 +60,7 @@ public:
 
 	virtual void setFMCallsignParams(const std::string& callsign, unsigned int callsignSpeed, unsigned int callsignFrequency, unsigned int callsignTime, unsigned int callsignHoldoff, float callsignHighLevel, float callsignLowLevel, bool callsignAtStart, bool callsignAtEnd, bool callsignAtLatch);
 	virtual void setFMAckParams(const std::string& rfAck, unsigned int ackSpeed, unsigned int ackFrequency, unsigned int ackMinTime, unsigned int ackDelay, float ackLevel);
-	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, bool kerchunkTX, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel);
+	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssHighThreshold, unsigned int ctcssLowThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime, bool useCOS, bool cosInvert, unsigned int rfAudioBoost, float maxDevLevel);
 	virtual void setFMExtParams(const std::string& ack, unsigned int audioBoost);
 
 	virtual bool open();
@@ -243,7 +243,6 @@ private:
 	unsigned int               m_fmCtcssLowThreshold;
 	float                      m_fmCtcssLevel;
 	unsigned int               m_fmKerchunkTime;
-	bool                       m_fmKerchunkTX;
 	unsigned int               m_fmHangTime;
 	bool                       m_fmUseCOS;
 	bool                       m_fmCOSInvert;
diff --git a/Version.h b/Version.h
index c634cfc..a235cfe 100644
--- a/Version.h
+++ b/Version.h
@@ -19,6 +19,6 @@
 #if !defined(VERSION_H)
 #define	VERSION_H
 
-const char* VERSION = "20200706";
+const char* VERSION = "20200707";
 
 #endif