diff --git a/modules/libcom/src/osi/os/WIN32/osdSockAddrReuse.cpp b/modules/libcom/src/osi/os/WIN32/osdSockAddrReuse.cpp
deleted file mode 100644
index d441d7511..000000000
--- a/modules/libcom/src/osi/os/WIN32/osdSockAddrReuse.cpp
+++ /dev/null
@@ -1,44 +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"
-
-/*
- * Note: WINSOCK appears to assign a different functionality for 
- * SO_REUSEADDR compared to other OS. With WINSOCK SO_REUSEADDR indicates
- * that simultaneously servers can bind to the same TCP port on the same host!
- * Also, servers are always enabled to reuse a port immediately after 
- * they exit ( even if SO_REUSEADDR isnt set ).
- */
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressReuseDuringTimeWaitState ( SOCKET s )
-{
-}
-
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressUseForDatagramFanout ( 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");
-    }
-}
diff --git a/modules/libcom/src/osi/os/cygwin32/osdSockAddrReuse.cpp b/modules/libcom/src/osi/os/cygwin32/osdSockAddrReuse.cpp
deleted file mode 100644
index d441d7511..000000000
--- a/modules/libcom/src/osi/os/cygwin32/osdSockAddrReuse.cpp
+++ /dev/null
@@ -1,44 +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"
-
-/*
- * Note: WINSOCK appears to assign a different functionality for 
- * SO_REUSEADDR compared to other OS. With WINSOCK SO_REUSEADDR indicates
- * that simultaneously servers can bind to the same TCP port on the same host!
- * Also, servers are always enabled to reuse a port immediately after 
- * they exit ( even if SO_REUSEADDR isnt set ).
- */
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressReuseDuringTimeWaitState ( SOCKET s )
-{
-}
-
-epicsShareFunc void epicsShareAPI 
-    epicsSocketEnableAddressUseForDatagramFanout ( 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");
-    }
-}
diff --git a/modules/libcom/src/osi/os/posix/osdSockAddrReuse.cpp b/modules/libcom/src/osi/os/default/osdSockAddrReuse.cpp
similarity index 100%
rename from modules/libcom/src/osi/os/posix/osdSockAddrReuse.cpp
rename to modules/libcom/src/osi/os/default/osdSockAddrReuse.cpp