diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 3019015587..d0d2848d67 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -2608,7 +2608,6 @@ libxlConnectDomainXMLFromNative(virConnectPtr conn,
     } else if (STREQ(nativeFormat, LIBXL_CONFIG_FORMAT_SEXPR)) {
         /* only support latest xend config format */
         if (!(def = xenParseSxprString(nativeConfig,
-                                       XEND_CONFIG_VERSION_3_1_0,
                                        NULL,
                                        -1,
                                        cfg->caps,
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index 84ddfc337f..55df3d62db 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -1568,13 +1568,13 @@ xenUnifiedConnectDomainXMLFromNative(virConnectPtr conn,
 
         def = xenParseXM(conf, priv->caps, priv->xmlopt);
     } else if (STREQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
-        if (xenGetDomIdFromSxprString(config, priv->xendConfigVersion, &id) < 0)
+        if (xenGetDomIdFromSxprString(config, &id) < 0)
             goto cleanup;
         xenUnifiedLock(priv);
         tty = xenStoreDomainGetConsolePath(conn, id);
         vncport = xenStoreDomainGetVNCPort(conn, id);
         xenUnifiedUnlock(priv);
-        def = xenParseSxprString(config, priv->xendConfigVersion, tty,
+        def = xenParseSxprString(config, tty,
                                  vncport, priv->caps, priv->xmlopt);
     }
     if (!def)
@@ -1632,7 +1632,7 @@ xenUnifiedConnectDomainXMLToNative(virConnectPtr conn,
             goto cleanup;
         }
     } else if (STREQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
-        ret = xenFormatSxpr(conn, def, priv->xendConfigVersion);
+        ret = xenFormatSxpr(conn, def);
     }
 
  cleanup:
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 72a1259d44..cd783a1033 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -1569,7 +1569,7 @@ xenDaemonDomainFetch(virConnectPtr conn, int domid, const char *name,
     if (root == NULL)
         return NULL;
 
-    if (xenGetDomIdFromSxpr(root, priv->xendConfigVersion, &id) < 0)
+    if (xenGetDomIdFromSxpr(root, &id) < 0)
         goto cleanup;
     xenUnifiedLock(priv);
     if (sexpr_lookup(root, "domain/image/hvm"))
@@ -1579,7 +1579,6 @@ xenDaemonDomainFetch(virConnectPtr conn, int domid, const char *name,
     vncport = xenStoreDomainGetVNCPort(conn, id);
     xenUnifiedUnlock(priv);
     if (!(def = xenParseSxpr(root,
-                             priv->xendConfigVersion,
                              cpus,
                              tty,
                              vncport)))
@@ -2056,7 +2055,6 @@ xenDaemonCreateXML(virConnectPtr conn, virDomainDefPtr def)
     char *sexpr;
     const char *tmp;
     struct sexpr *root;
-    xenUnifiedPrivatePtr priv = conn->privateData;
 
     if (def->id != -1) {
         virReportError(VIR_ERR_OPERATION_INVALID,
@@ -2065,7 +2063,7 @@ xenDaemonCreateXML(virConnectPtr conn, virDomainDefPtr def)
         return -1;
     }
 
-    if (!(sexpr = xenFormatSxpr(conn, def, priv->xendConfigVersion)))
+    if (!(sexpr = xenFormatSxpr(conn, def)))
         return -1;
 
     ret = xenDaemonDomainCreateXML(conn, sexpr);
@@ -2167,7 +2165,7 @@ xenDaemonAttachDeviceFlags(virConnectPtr conn,
         if (xenFormatSxprDisk(dev->data.disk,
                               &buf,
                               def->os.type == VIR_DOMAIN_OSTYPE_HVM ? 1 : 0,
-                              priv->xendConfigVersion, 1) < 0)
+                              1) < 0)
             goto cleanup;
 
         if (dev->data.disk->device != VIR_DOMAIN_DISK_DEVICE_CDROM &&
@@ -2180,7 +2178,7 @@ xenDaemonAttachDeviceFlags(virConnectPtr conn,
                              dev->data.net,
                              &buf,
                              def->os.type == VIR_DOMAIN_OSTYPE_HVM ? 1 : 0,
-                             priv->xendConfigVersion, 1) < 0)
+                             1) < 0)
             goto cleanup;
 
         char macStr[VIR_MAC_STRING_BUFLEN];
@@ -2303,7 +2301,7 @@ xenDaemonUpdateDeviceFlags(virConnectPtr conn,
         if (xenFormatSxprDisk(dev->data.disk,
                               &buf,
                               def->os.type == VIR_DOMAIN_OSTYPE_HVM ? 1 : 0,
-                              priv->xendConfigVersion, 1) < 0)
+                              1) < 0)
             goto cleanup;
         break;
 
@@ -2691,9 +2689,8 @@ xenDaemonDomainDefineXML(virConnectPtr conn, virDomainDefPtr def)
 {
     int ret = -1;
     char *sexpr;
-    xenUnifiedPrivatePtr priv = conn->privateData;
 
-    if (!(sexpr = xenFormatSxpr(conn, def, priv->xendConfigVersion))) {
+    if (!(sexpr = xenFormatSxpr(conn, def))) {
         virReportError(VIR_ERR_XML_ERROR,
                        "%s", _("failed to build sexpr"));
         goto cleanup;
@@ -3107,15 +3104,14 @@ xenDaemonDomainBlockPeek(virConnectPtr conn,
         return -1;
     }
 
-    if (xenGetDomIdFromSxpr(root, priv->xendConfigVersion, &id) < 0)
+    if (xenGetDomIdFromSxpr(root, &id) < 0)
         goto cleanup;
     xenUnifiedLock(priv);
     tty = xenStoreDomainGetConsolePath(conn, id);
     vncport = xenStoreDomainGetVNCPort(conn, id);
     xenUnifiedUnlock(priv);
 
-    if (!(def = xenParseSxpr(root, priv->xendConfigVersion, NULL, tty,
-                             vncport)))
+    if (!(def = xenParseSxpr(root, NULL, tty, vncport)))
         goto cleanup;
 
     if (!(actual = virDomainDiskPathByName(def, path))) {
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 085b24adae..a0d6f74fcb 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -920,7 +920,7 @@ xenXMDomainCreate(virConnectPtr conn,
     if (!(entry = virHashLookup(priv->configCache, filename)))
         goto error;
 
-    if (!(sexpr = xenFormatSxpr(conn, entry->def, priv->xendConfigVersion)))
+    if (!(sexpr = xenFormatSxpr(conn, entry->def)))
         goto error;
 
     ret = xenDaemonDomainCreateXML(conn, sexpr);
diff --git a/src/xenconfig/xen_sxpr.c b/src/xenconfig/xen_sxpr.c
index defff237f6..d99bac0038 100644
--- a/src/xenconfig/xen_sxpr.c
+++ b/src/xenconfig/xen_sxpr.c
@@ -42,7 +42,7 @@
 VIR_LOG_INIT("xenconfig.xen_sxpr");
 
 /* Get a domain id from a S-expression string */
-int xenGetDomIdFromSxprString(const char *sexpr, int xendConfigVersion, int *id)
+int xenGetDomIdFromSxprString(const char *sexpr, int *id)
 {
     struct sexpr *root = string2sexpr(sexpr);
     int ret;
@@ -52,15 +52,13 @@ int xenGetDomIdFromSxprString(const char *sexpr, int xendConfigVersion, int *id)
     if (!root)
         return -1;
 
-    ret = xenGetDomIdFromSxpr(root, xendConfigVersion, id);
+    ret = xenGetDomIdFromSxpr(root, id);
     sexpr_free(root);
     return ret;
 }
 
 /* Get a domain id from a S-expression */
-int xenGetDomIdFromSxpr(const struct sexpr *root,
-                        int xendConfigVersion ATTRIBUTE_UNUSED,
-                        int *id)
+int xenGetDomIdFromSxpr(const struct sexpr *root, int *id)
 {
     const char * tmp = sexpr_node(root, "domain/domid");
 
@@ -322,7 +320,6 @@ xenParseSxprChar(const char *value,
  * @def: the domain config
  * @root: root S-expression
  * @hvm: true or 1 if node contains HVM S-Expression
- * @xendConfigVersion: version of xend
  *
  * This parses out block devices from the domain S-expression
  *
@@ -331,8 +328,7 @@ xenParseSxprChar(const char *value,
 static int
 xenParseSxprDisks(virDomainDefPtr def,
                   const struct sexpr *root,
-                  int hvm,
-                  int xendConfigVersion ATTRIBUTE_UNUSED)
+                  int hvm)
 {
     const struct sexpr *cur, *node;
     virDomainDiskDefPtr disk = NULL;
@@ -754,7 +750,6 @@ xenParseSxprUSB(virDomainDefPtr def,
  * @def: the domain config
  * @root: root S-expression
  * @hvm: true or 1 if root contains HVM S-Expression
- * @xendConfigVersion: version of xend
  * @vncport: VNC port number
  *
  * This parses out VNC devices from the domain S-expression
@@ -765,7 +760,6 @@ static int
 xenParseSxprGraphicsOld(virDomainDefPtr def,
                         const struct sexpr *root,
                         int hvm,
-                        int xendConfigVersion ATTRIBUTE_UNUSED,
                         int vncport)
 {
     const char *tmp;
@@ -1059,7 +1053,6 @@ xenParseSxprPCI(virDomainDefPtr def,
 /**
  * xenParseSxpr:
  * @root: the root of the parsed S-Expression
- * @xendConfigVersion: version of xend
  * @cpus: set of cpus the domain may be pinned to
  * @tty: the console pty path
  * @vncport: VNC port number
@@ -1072,7 +1065,6 @@ xenParseSxprPCI(virDomainDefPtr def,
  */
 virDomainDefPtr
 xenParseSxpr(const struct sexpr *root,
-             int xendConfigVersion,
              const char *cpus, char *tty, int vncport)
 {
     const char *tmp;
@@ -1271,7 +1263,7 @@ xenParseSxpr(const struct sexpr *root,
         goto error;
 
     /* append block devices */
-    if (xenParseSxprDisks(def, root, hvm, xendConfigVersion) < 0)
+    if (xenParseSxprDisks(def, root, hvm) < 0)
         goto error;
 
     if (xenParseSxprNets(def, root) < 0)
@@ -1286,8 +1278,7 @@ xenParseSxpr(const struct sexpr *root,
 
     /* Graphics device (HVM <= 3.0.4, or PV <= 3.0.3) vnc config */
     if ((def->ngraphics == 0) &&
-        xenParseSxprGraphicsOld(def, root, hvm, xendConfigVersion,
-                                      vncport) < 0)
+        xenParseSxprGraphicsOld(def, root, hvm, vncport) < 0)
         goto error;
 
     /* in case of HVM we have USB device emulation */
@@ -1392,7 +1383,6 @@ xenParseSxpr(const struct sexpr *root,
 /**
  * xenParseSxprString:
  * @sexpr: the root of the parsed S-Expression
- * @xendConfigVersion: version of xend
  * @tty: the console pty path
  * @vncport: VNC port number
  *
@@ -1404,7 +1394,6 @@ xenParseSxpr(const struct sexpr *root,
  */
 virDomainDefPtr
 xenParseSxprString(const char *sexpr,
-                   int xendConfigVersion,
                    char *tty,
                    int vncport,
                    virCapsPtr caps,
@@ -1416,7 +1405,7 @@ xenParseSxprString(const char *sexpr,
     if (!root)
         return NULL;
 
-    if (!(def = xenParseSxpr(root, xendConfigVersion, NULL, tty, vncport)))
+    if (!(def = xenParseSxpr(root, NULL, tty, vncport)))
         goto cleanup;
 
     if (virDomainDefPostParse(def, caps, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
@@ -1499,7 +1488,6 @@ xenFormatSxprGraphicsNew(virDomainGraphicsDefPtr def,
  * xenFormatSxprGraphicsOld:
  * @def: the domain config
  * @buf: a buffer for the result S-expression
- * @xendConfigVersion: version of xend
  *
  * Convert the graphics part of the domain description into a S-expression
  * in buf. (HVM <= 3.0.4 or PV <= 3.0.3)
@@ -1507,9 +1495,7 @@ xenFormatSxprGraphicsNew(virDomainGraphicsDefPtr def,
  * Returns 0 in case of success, -1 in case of error
  */
 static int
-xenFormatSxprGraphicsOld(virDomainGraphicsDefPtr def,
-                         virBufferPtr buf,
-                         int xendConfigVersion ATTRIBUTE_UNUSED)
+xenFormatSxprGraphicsOld(virDomainGraphicsDefPtr def, virBufferPtr buf)
 {
     const char *listenAddr;
 
@@ -1639,7 +1625,6 @@ xenFormatSxprChr(virDomainChrDefPtr def,
  * @node: node containing the disk description
  * @buf: a buffer for the result S-expression
  * @hvm: true or 1 if domain is HVM
- * @xendConfigVersion: xend configuration file format
  * @isAttach: create expression for device attach (1).
  *
  * Convert the disk device part of the domain config into a S-expresssion in buf.
@@ -1650,7 +1635,6 @@ int
 xenFormatSxprDisk(virDomainDiskDefPtr def,
                   virBufferPtr buf,
                   int hvm,
-                  int xendConfigVersion ATTRIBUTE_UNUSED,
                   int isAttach)
 {
     const char *src = virDomainDiskGetSource(def);
@@ -1758,7 +1742,6 @@ xenFormatSxprDisk(virDomainDiskDefPtr def,
  * @def: the domain config
  * @buf: a buffer for the result S-expression
  * @hvm: true or 1 if domain is HVM
- * @xendConfigVersion: xend configuration file format
  * @isAttach: create expression for device attach (1).
  *
  * Convert the interface description of the domain config into a S-expression in buf.
@@ -1773,7 +1756,6 @@ xenFormatSxprNet(virConnectPtr conn,
                  virDomainNetDefPtr def,
                  virBufferPtr buf,
                  int hvm,
-                 int xendConfigVersion ATTRIBUTE_UNUSED,
                  int isAttach)
 {
     const char *script = DEFAULT_VIF_SCRIPT;
@@ -2093,7 +2075,6 @@ verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
  * xenFormatSxpr:
  * @conn: pointer to the hypervisor connection
  * @def: domain config definition
- * @xendConfigVersion: xend configuration file format
  *
  * Generate an S-expression representing the domain configuration.
  *
@@ -2101,9 +2082,7 @@ verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
  *         the caller must free() the returned value.
  */
 char *
-xenFormatSxpr(virConnectPtr conn,
-              virDomainDefPtr def,
-              int xendConfigVersion)
+xenFormatSxpr(virConnectPtr conn, virDomainDefPtr def)
 {
     virBuffer buf = VIR_BUFFER_INITIALIZER;
     char uuidstr[VIR_UUID_STRING_BUFLEN];
@@ -2324,8 +2303,7 @@ xenFormatSxpr(virConnectPtr conn,
         /* PV graphics for xen <= 3.0.4, or HVM graphics */
         if (hvm) {
             if ((def->ngraphics == 1) &&
-                xenFormatSxprGraphicsOld(def->graphics[0],
-                                         &buf, xendConfigVersion) < 0)
+                xenFormatSxprGraphicsOld(def->graphics[0], &buf) < 0)
                 goto error;
         }
     } else {
@@ -2405,13 +2383,11 @@ xenFormatSxpr(virConnectPtr conn,
 
 
     for (i = 0; i < def->ndisks; i++)
-        if (xenFormatSxprDisk(def->disks[i],
-                              &buf, hvm, xendConfigVersion, 0) < 0)
+        if (xenFormatSxprDisk(def->disks[i], &buf, hvm, 0) < 0)
             goto error;
 
     for (i = 0; i < def->nnets; i++)
-        if (xenFormatSxprNet(conn, def->nets[i],
-                             &buf, hvm, xendConfigVersion, 0) < 0)
+        if (xenFormatSxprNet(conn, def->nets[i], &buf, hvm, 0) < 0)
             goto error;
 
     if (xenFormatSxprAllPCI(def, &buf) < 0)
diff --git a/src/xenconfig/xen_sxpr.h b/src/xenconfig/xen_sxpr.h
index e42a931751..a4f4c449b2 100644
--- a/src/xenconfig/xen_sxpr.h
+++ b/src/xenconfig/xen_sxpr.h
@@ -32,25 +32,17 @@
 # include "domain_conf.h"
 # include "virsexpr.h"
 
-typedef enum {
-    XEND_CONFIG_VERSION_3_0_2 = 1,
-    XEND_CONFIG_VERSION_3_0_3 = 2,
-    XEND_CONFIG_VERSION_3_0_4 = 3,
-    XEND_CONFIG_VERSION_3_1_0 = 4,
-} xenConfigVersionEnum;
-
 /* helper functions to get the dom id from a sexpr */
-int xenGetDomIdFromSxprString(const char *sexpr, int xendConfigVersion, int *id);
-int xenGetDomIdFromSxpr(const struct sexpr *root, int xendConfigVersion, int *id);
+int xenGetDomIdFromSxprString(const char *sexpr, int *id);
+int xenGetDomIdFromSxpr(const struct sexpr *root, int *id);
 
 virDomainDefPtr xenParseSxprString(const char *sexpr,
-                                   int xendConfigVersion,
                                    char *tty,
                                    int vncport,
                                    virCapsPtr caps,
                                    virDomainXMLOptionPtr xmlopt);
 
-virDomainDefPtr xenParseSxpr(const struct sexpr *root, int xendConfigVersion,
+virDomainDefPtr xenParseSxpr(const struct sexpr *root,
                              const char *cpus, char *tty, int vncport);
 
 int xenParseSxprSound(virDomainDefPtr def, const char *str);
@@ -58,11 +50,11 @@ int xenParseSxprSound(virDomainDefPtr def, const char *str);
 virDomainChrDefPtr xenParseSxprChar(const char *value, const char *tty);
 
 int xenFormatSxprDisk(virDomainDiskDefPtr def, virBufferPtr buf, int hvm,
-                      int xendConfigVersion, int isAttach);
+                      int isAttach);
 
 int xenFormatSxprNet(virConnectPtr conn,
                      virDomainNetDefPtr def, virBufferPtr buf, int hvm,
-                     int xendConfigVersion, int isAttach);
+                     int isAttach);
 
 int xenFormatSxprOnePCI(virDomainHostdevDefPtr def, virBufferPtr buf,
                         int detach);
@@ -70,7 +62,6 @@ int xenFormatSxprOnePCI(virDomainHostdevDefPtr def, virBufferPtr buf,
 int xenFormatSxprChr(virDomainChrDefPtr def, virBufferPtr buf);
 int xenFormatSxprSound(virDomainDefPtr def, virBufferPtr buf);
 
-char * xenFormatSxpr(virConnectPtr conn, virDomainDefPtr def,
-                     int xendConfigVersion);
+char * xenFormatSxpr(virConnectPtr conn, virDomainDefPtr def);
 
 #endif /* __VIR_XEN_SXPR_H__ */
diff --git a/src/xenconfig/xenxs_private.h b/src/xenconfig/xenxs_private.h
index 293e986807..4f529d658e 100644
--- a/src/xenconfig/xenxs_private.h
+++ b/src/xenconfig/xenxs_private.h
@@ -38,14 +38,6 @@
 #  define MAX_VIRT_CPUS XEN_LEGACY_MAX_VCPUS
 # endif
 
-# ifdef WITH_RHEL5_API
-#  define XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU 0
-#  define XEND_CONFIG_MIN_VERS_PVFB_NEWCONF XEND_CONFIG_VERSION_3_0_3
-# else
-#  define XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU XEND_CONFIG_VERSION_3_0_4
-#  define XEND_CONFIG_MIN_VERS_PVFB_NEWCONF XEND_CONFIG_VERSION_3_0_4
-# endif
-
 # define MIN_XEN_GUEST_SIZE 64  /* 64 megabytes */
 
 # ifdef __sun
diff --git a/tests/sexpr2xmltest.c b/tests/sexpr2xmltest.c
index 1b42a184ef..26fadaa882 100644
--- a/tests/sexpr2xmltest.c
+++ b/tests/sexpr2xmltest.c
@@ -41,20 +41,19 @@ testCompareFiles(const char *xml, const char *sexpr)
 
   memset(&priv, 0, sizeof(priv));
   /* Many puppies died to bring you this code. */
-  priv.xendConfigVersion = 4;
   priv.caps = caps;
   conn->privateData = &priv;
   if (virMutexInit(&priv.lock) < 0)
       goto fail;
 
-  if (xenGetDomIdFromSxprString(sexprData, 4, &id) < 0)
+  if (xenGetDomIdFromSxprString(sexprData, &id) < 0)
       goto fail;
   xenUnifiedLock(&priv);
   tty = xenStoreDomainGetConsolePath(conn, id);
   vncport = xenStoreDomainGetVNCPort(conn, id);
   xenUnifiedUnlock(&priv);
 
-  if (!(def = xenParseSxprString(sexprData, 4,
+  if (!(def = xenParseSxprString(sexprData,
                                  tty, vncport, caps, xmlopt)))
       goto fail;
 
diff --git a/tests/xmconfigtest.c b/tests/xmconfigtest.c
index 43a677592d..c2084c21d3 100644
--- a/tests/xmconfigtest.c
+++ b/tests/xmconfigtest.c
@@ -60,7 +60,6 @@ testCompareParseXML(const char *xmcfg, const char *xml)
     if (!conn) goto fail;
 
     /* Many puppies died to bring you this code. */
-    priv.xendConfigVersion = 4;
     priv.caps = caps;
     conn->privateData = &priv;
 
@@ -113,7 +112,6 @@ testCompareFormatXML(const char *xmcfg, const char *xml)
         goto fail;
 
     /* Many puppies died to bring you this code. */
-    priv.xendConfigVersion = 4;
     priv.caps = caps;
     conn->privateData = &priv;
 
diff --git a/tests/xml2sexprtest.c b/tests/xml2sexprtest.c
index 246fae09e2..b1b0cde341 100644
--- a/tests/xml2sexprtest.c
+++ b/tests/xml2sexprtest.c
@@ -36,7 +36,7 @@ testCompareFiles(const char *xml, const char *sexpr)
       goto fail;
   }
 
-  if (!(gotsexpr = xenFormatSxpr(NULL, def, 4)))
+  if (!(gotsexpr = xenFormatSxpr(NULL, def)))
       goto fail;
 
   if (virtTestCompareToFile(gotsexpr, sexpr) < 0)