diff --git a/src/gdd/Makefile b/src/gdd/Makefile
index 7036cfc28..65c6a28f8 100644
--- a/src/gdd/Makefile
+++ b/src/gdd/Makefile
@@ -3,8 +3,7 @@
 #     National Laboratory.
 # Copyright (c) 2002 The Regents of the University of California, as
 #     Operator of Los Alamos National Laboratory.
-# EPICS BASE Versions 3.13.7
-# and higher are distributed subject to a Software License Agreement found
+# EPICS BASE is distributed subject to a Software License Agreement found
 # in file LICENSE that is included with this distribution. 
 #*************************************************************************
 
@@ -20,7 +19,6 @@ INC += gddArray.h
 INC += gddArrayI.h
 INC += gddScalar.h
 INC += gddScalarI.h
-INC += gddSemaphore.h
 INC += gddNewDel.h
 INC += gddUtils.h
 INC += gddUtilsI.h
diff --git a/src/gdd/gddSemaphore.h b/src/gdd/gddSemaphore.h
deleted file mode 100644
index bd9f4bb81..000000000
--- a/src/gdd/gddSemaphore.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*************************************************************************\
-* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
-*     National Laboratory.
-* Copyright (c) 2002 The Regents of the University of California, as
-*     Operator of Los Alamos National Laboratory.
-* EPICS BASE Versions 3.13.7
-* and higher are distributed subject to a Software License Agreement found
-* in file LICENSE that is included with this distribution. 
-\*************************************************************************/
-#ifndef GDD_SEMAPHORE
-#define GDD_SEMAPHORE
-
-/*
- * Author:	Jim Kowalkowski
- * Date:	3/97
- *
- */
-
-#ifdef vxWorks
-#include <semLib.h>
-#include <sysLib.h>
-#endif
-
-#include "aitTypes.h"
-#include "shareLib.h"
-
-
-// ------------------------- semaphores ---------------------------
-
-typedef enum { gddSemEmpty, gddSemFull } gddSemType;
-
-#if 0
-#ifdef vxWorks
-#undef vxWorks
-#define __temp_vxWorks__ 1
-#endif
-#endif
-
-// Semaphores default to "Full"
-
-class epicsShareClass gddSemaphore
-{
-public:
-	gddSemaphore(void);
-	gddSemaphore(gddSemType);
-	~gddSemaphore(void);
-
-	void give(void);
-	void take(void);
-	void take(aitUint32 usec);
-private:
-#ifdef vxWorks
-	SEM_ID sem;
-#endif
-};
-
-#ifdef vxWorks
-inline gddSemaphore::gddSemaphore(void)
-	{ sem=semBCreate(SEM_Q_PRIORITY,SEM_FULL); }
-inline gddSemaphore::gddSemaphore(gddSemType s)
-{
-	if(s==gddSemEmpty)	sem=semBCreate(SEM_Q_PRIORITY,SEM_EMPTY);
-	else				sem=semBCreate(SEM_Q_PRIORITY,SEM_FULL);
-}
-inline gddSemaphore::~gddSemaphore(void)	{ semDelete(sem); }
-inline void gddSemaphore::give(void)		{ semGive(sem); }
-inline void gddSemaphore::take(void)		{ semTake(sem,WAIT_FOREVER); }
-inline void gddSemaphore::take(aitUint32 usec)
-	{ semTake(sem,usec/(sysClkRateGet()*1000000)); }
-#else
-inline gddSemaphore::gddSemaphore(void)			{ }
-inline gddSemaphore::gddSemaphore(gddSemType)	{ }
-inline gddSemaphore::~gddSemaphore(void)		{ }
-inline void gddSemaphore::give(void)			{ }
-inline void gddSemaphore::take(void)			{ }
-inline void gddSemaphore::take(aitUint32)		{ }
-#endif
-
-#if 0
-class gddIntLock
-{
-public:
-private:
-};
-#endif
-
-#ifdef __temp_vxWorks__
-#define vxWorks 1
-#undef __temp_vxWorks__
-#endif
-
-#endif