diff --git a/src/iocsh/dbAccessRegister.c b/src/iocsh/dbAccessRegister.c
index 3320c4ac7..73173fc10 100644
--- a/src/iocsh/dbAccessRegister.c
+++ b/src/iocsh/dbAccessRegister.c
@@ -23,7 +23,6 @@
 #include "iocsh.h"
 #include "registryRecordType.h"
 #include "dbAccessRegister.h"
-#include "asSubRecordFunctions.h"
 #include "iocsh.h"
 
 /* dbLoadDatabase */
@@ -75,5 +74,4 @@ void epicsShareAPI dbAccessRegister(void)
     iocshRegister(&dbLoadRecordsFuncDef,dbLoadRecordsCallFunc);
     iocshRegister(&dbLoadTemplateFuncDef,dbLoadTemplateCallFunc);
     iocshRegister(&iocInitFuncDef,iocInitCallFunc);
-    asSubRecordFunctionsRegister();
 }
diff --git a/src/misc/Makefile b/src/misc/Makefile
index 50281c849..7af28a536 100644
--- a/src/misc/Makefile
+++ b/src/misc/Makefile
@@ -15,7 +15,6 @@ DBD += base.dbd
 
 INC +=  epicsRelease.h
 INC +=  iocInit.h
-INC +=  asSubRecordFunctions.h
 
 LIBSRCS +=  epicsRelease.c
 LIBSRCS +=  iocInit.c
diff --git a/src/misc/asSubRecordFunctions.c b/src/misc/asSubRecordFunctions.c
index cab0828ea..e2c9cde8a 100644
--- a/src/misc/asSubRecordFunctions.c
+++ b/src/misc/asSubRecordFunctions.c
@@ -30,7 +30,7 @@
 #include "asDbLib.h"
 #include "subRecord.h"
 #define epicsExportSharedSymbols
-#include "asSubRecordFunctions.h"
+#include "shareLib.h"
 
 /* The following is provided for access security*/
 /*It allows a CA client to force access security initialization*/
@@ -85,7 +85,7 @@ static registryFunctionRef asSubRef[] = {
     {"asSubProcess",(REGISTRYFUNCTION)asSubProcess}
 };
 
-void epicsShareAPI asSub(void)
+epicsShareFunc void epicsShareAPI asSub(void)
 {
     registryFunctionRefAdd(asSubRef,NELEMENTS(asSubRef));
 }
diff --git a/src/misc/asSubRecordFunctions.h b/src/misc/asSubRecordFunctions.h
deleted file mode 100644
index f8deafe5d..000000000
--- a/src/misc/asSubRecordFunctions.h
+++ /dev/null
@@ -1,34 +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. 
-\*************************************************************************/
-/* asSubRecordFunctions.h */
-
-/* Author:  Marty Kraimer Date:    01MAY2000 */
-
-#ifndef INCasSubRecordFunctionsh
-#define INCasSubRecordFunctionsh
-
-#include "shareLib.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct subRecord;
-
-epicsShareFunc long epicsShareAPI asSubInit(
-    struct subRecord *precord,void *process);
-epicsShareFunc long epicsShareAPI asSubProcess(struct subRecord *precord);
-epicsShareFunc void epicsShareAPI asSubRecordFunctionsRegister(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* INCasSubRecordFunctionsh */
diff --git a/src/misc/base.dbd b/src/misc/base.dbd
index 42cc92803..f95ee11f7 100644
--- a/src/misc/base.dbd
+++ b/src/misc/base.dbd
@@ -48,3 +48,5 @@ device(stringin,CONSTANT,devSiSoft,"Soft Channel")
 device(stringout,CONSTANT,devSoSoft,"Soft Channel")
 device(subArray,CONSTANT,devSASoft,"Soft Channel")
 device(waveform,CONSTANT,devWfSoft,"Soft Channel")
+
+registrar(asSub)