diff --git a/configure.ac b/configure.ac
index 718a4019cf7eafed1063ddb5bb96965696ffcb34..529e749316ca55376f98b55eac2352914d40fb8f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -916,6 +916,10 @@ if test "$with_libxl" != "no" ; then
     fi
 fi
 
+# Until there is a need to use enhancements of libxl APIs such as
+# libxl_domain_create_restore and libxl_set_vcpuaffinity, stick with
+# the APIs as defined in libxl API version 4.2.0.
+LIBXL_CFLAGS="$LIBXL_CFLAGS -DLIBXL_API_VERSION=0x040200"
 LIBS="$old_LIBS"
 CFLAGS="$old_CFLAGS"
 
diff --git a/src/libxl/libxl_conf.h b/src/libxl/libxl_conf.h
index 3c0eafb043b3bc066084e9ddbc1d0439ff7630f0..24e29116f2ef7b103ccb852262c3004a18a530e4 100644
--- a/src/libxl/libxl_conf.h
+++ b/src/libxl/libxl_conf.h
@@ -69,18 +69,6 @@
 # endif
 
 
-/* libxl interface for setting VCPU affinity changed in 4.5. In fact, a new
- * parameter has been added, representative of 'VCPU soft affinity'. If one
- * does not care about it (and that's libvirt case), passing NULL is the
- * right thing to do. To mark that change, LIBXL_HAVE_VCPUINFO_SOFT_AFFINITY
- * is defined. */
-# ifdef LIBXL_HAVE_VCPUINFO_SOFT_AFFINITY
-#  define libxl_set_vcpuaffinity(ctx, domid, vcpuid, map) \
-    libxl_set_vcpuaffinity((ctx), (domid), (vcpuid), (map), NULL)
-#  define libxl_set_vcpuaffinity_all(ctx, domid, max_vcpus, map) \
-    libxl_set_vcpuaffinity_all((ctx), (domid), (max_vcpus), (map), NULL)
-# endif
-
 typedef struct _libxlDriverPrivate libxlDriverPrivate;
 typedef libxlDriverPrivate *libxlDriverPrivatePtr;
 
diff --git a/src/libxl/libxl_domain.c b/src/libxl/libxl_domain.c
index aed904b7917ac0cda84396436a65ab88d7d6bbdc..192a506ba7afb090934ac94ff66c010721f818ee 100644
--- a/src/libxl/libxl_domain.c
+++ b/src/libxl/libxl_domain.c
@@ -981,9 +981,6 @@ libxlDomainStart(libxlDriverPrivatePtr driver, virDomainObjPtr vm,
     int managed_save_fd = -1;
     libxlDomainObjPrivatePtr priv = vm->privateData;
     libxlDriverConfigPtr cfg;
-#ifdef LIBXL_HAVE_DOMAIN_CREATE_RESTORE_PARAMS
-    libxl_domain_restore_params params;
-#endif
     virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
     libxl_asyncprogress_how aop_console_how;
 
@@ -1070,20 +1067,8 @@ libxlDomainStart(libxlDriverPrivatePtr driver, virDomainObjPtr vm,
         ret = libxl_domain_create_new(cfg->ctx, &d_config,
                                       &domid, NULL, &aop_console_how);
     } else {
-#if defined(LIBXL_HAVE_DOMAIN_CREATE_RESTORE_SEND_BACK_FD)
-        params.checkpointed_stream = 0;
-        ret = libxl_domain_create_restore(cfg->ctx, &d_config, &domid,
-                                          restore_fd, -1, &params, NULL,
-                                          &aop_console_how);
-#elif defined(LIBXL_HAVE_DOMAIN_CREATE_RESTORE_PARAMS)
-        params.checkpointed_stream = 0;
-        ret = libxl_domain_create_restore(cfg->ctx, &d_config, &domid,
-                                          restore_fd, &params, NULL,
-                                          &aop_console_how);
-#else
         ret = libxl_domain_create_restore(cfg->ctx, &d_config, &domid,
                                           restore_fd, NULL, &aop_console_how);
-#endif
     }
     virObjectLock(vm);