diff --git a/modules/libcom/src/osi/os/Darwin/osdSockAddrReuse.cpp b/modules/libcom/src/osi/os/Darwin/osdSockAddrReuse.cpp
deleted file mode 100644
index 869514160..000000000
--- a/modules/libcom/src/osi/os/Darwin/osdSockAddrReuse.cpp
+++ /dev/null
@@ -1,48 +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. 
-\*************************************************************************/
-
-/*
- * Author: Jeff Hill
- */
-
-#define epicsExportSharedSymbols
-#include "osiSock.h"
-#include "errlog.h"
-
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressReuseDuringTimeWaitState ( SOCKET s )
-{
-    int yes = true;
-    int status;
-    status = setsockopt ( s, SOL_SOCKET, SO_REUSEADDR,
-        (char *) & yes, sizeof ( yes ) );
-    if ( status < 0 ) {
-        errlogPrintf (
-            "epicsSocketEnablePortUseForDatagramFanout: "
-            "unable to set SO_REUSEADDR?\n");
-    }
-}
-
-/*
- * SO_REUSEPORT is not in POSIX
- */
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressUseForDatagramFanout ( SOCKET s )
-{
-    int yes = true;
-    int status;
-    status = setsockopt ( s, SOL_SOCKET, SO_REUSEPORT,
-        (char *) & yes, sizeof ( yes ) );
-    if ( status < 0 ) {
-        errlogPrintf (
-            "epicsSocketEnablePortUseForDatagramFanout: "
-            "unable to set SO_REUSEPORT?\n");
-    }
-}
diff --git a/modules/libcom/src/osi/os/iOS/osdSockAddrReuse.cpp b/modules/libcom/src/osi/os/iOS/osdSockAddrReuse.cpp
deleted file mode 100644
index 9f64e331a..000000000
--- a/modules/libcom/src/osi/os/iOS/osdSockAddrReuse.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*************************************************************************\
-* Copyright (c) 2010 UChicago Argonne LLC, 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 is distributed subject to a Software License Agreement found
-* in file LICENSE that is included with this distribution.
-\*************************************************************************/
-
-/*
- * Author: Jeff Hill
- */
-
-#define epicsExportSharedSymbols
-#include "osiSock.h"
-#include "errlog.h"
-
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressReuseDuringTimeWaitState ( SOCKET s )
-{
-    int yes = true;
-    int status;
-    status = setsockopt ( s, SOL_SOCKET, SO_REUSEADDR,
-        (char *) & yes, sizeof ( yes ) );
-    if ( status < 0 ) {
-        errlogPrintf (
-            "epicsSocketEnablePortUseForDatagramFanout: "
-            "unable to set SO_REUSEADDR?\n");
-    }
-}
-
-/*
- * SO_REUSEPORT is not in POSIX
- */
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressUseForDatagramFanout ( SOCKET s )
-{
-    int yes = true;
-    int status;
-    status = setsockopt ( s, SOL_SOCKET, SO_REUSEPORT,
-        (char *) & yes, sizeof ( yes ) );
-    if ( status < 0 ) {
-        errlogPrintf (
-            "epicsSocketEnablePortUseForDatagramFanout: "
-            "unable to set SO_REUSEPORT?\n");
-    }
-}