diff --git a/AX25Control.cpp b/AX25Control.cpp
index 573ea43..50aaf5f 100644
--- a/AX25Control.cpp
+++ b/AX25Control.cpp
@@ -33,8 +33,7 @@ const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04
 CAX25Control::CAX25Control(CAX25Network* network, bool trace) :
 m_network(network),
 m_trace(trace),
-m_enabled(true),
-m_fp(NULL)
+m_enabled(true)
 {
 }
 
diff --git a/AX25Control.h b/AX25Control.h
index f1403cb..e0219e7 100644
--- a/AX25Control.h
+++ b/AX25Control.h
@@ -41,7 +41,6 @@ private:
 	CAX25Network* m_network;
 	bool          m_trace;
 	bool          m_enabled;
-	FILE*         m_fp;
 
 	void decode(const unsigned char* data, unsigned int length);
 	void decodeJSON(const char* source, const unsigned char* data, unsigned int length);
diff --git a/DStarControl.cpp b/DStarControl.cpp
index 19f8c52..e550a2d 100644
--- a/DStarControl.cpp
+++ b/DStarControl.cpp
@@ -90,7 +90,6 @@ m_rssiCount(0U),
 m_bitErrsAccum(0U),
 m_bitsCount(0U),
 m_enabled(true),
-m_fp(NULL),
 m_rfVoiceSyncData(NULL),
 m_rfVoiceSyncDataLen(0U),
 m_netVoiceSyncData(NULL),
diff --git a/DStarControl.h b/DStarControl.h
index 114b7ed..dd22749 100644
--- a/DStarControl.h
+++ b/DStarControl.h
@@ -103,7 +103,6 @@ private:
 	unsigned int               m_bitErrsAccum;
 	unsigned int               m_bitsCount;
 	bool                       m_enabled;
-	FILE*                      m_fp;
 	unsigned char*             m_rfVoiceSyncData;
 	unsigned int               m_rfVoiceSyncDataLen;
 	unsigned char*             m_netVoiceSyncData;
diff --git a/POCSAGControl.cpp b/POCSAGControl.cpp
index 0bd1c8f..2bb6926 100644
--- a/POCSAGControl.cpp
+++ b/POCSAGControl.cpp
@@ -68,8 +68,7 @@ m_buffer(),
 m_ric(0U),
 m_data(),
 m_state(PS_NONE),
-m_enabled(true),
-m_fp(NULL)
+m_enabled(true)
 {
 }
 
diff --git a/POCSAGControl.h b/POCSAGControl.h
index 2e88623..5e7e70b 100644
--- a/POCSAGControl.h
+++ b/POCSAGControl.h
@@ -75,7 +75,6 @@ private:
 	std::deque<POCSAGData*>    m_data;
 	POCSAG_STATE               m_state;
 	bool                       m_enabled;
-	FILE*                      m_fp;
 
 	bool readNetwork();
 	void writeQueue();