diff --git a/configure.ac b/configure.ac
index 21c1d91c4..51ab4c6e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1925,11 +1925,6 @@ if test "$KDRIVE" = yes; then
     if test "x$XEPHYR" = xauto; then
         XEPHYR=$xephyr
     fi
-    XEPHYR_DRI=no
-    if test x$XEPHYR = xyes -a x$DRI = xyes && test "x$GLX" = xyes; then
-        XEPHYR_DRI=yes
-        AC_DEFINE(XEPHYR_DRI,1,[enable DRI extension in xephyr])
-    fi
 
     # Xephyr needs nanosleep() which is in librt on Solaris
     AC_CHECK_FUNC([nanosleep], [],
@@ -1984,7 +1979,6 @@ AM_CONDITIONAL(KDRIVEFBDEV, [test "x$XFBDEV" = xyes])
 AM_CONDITIONAL(XSDLSERVER, [test x"$XSDL" = xyes])
 AM_CONDITIONAL(XEPHYR, [test "x$KDRIVE" = xyes && test "x$XEPHYR" = xyes])
 AM_CONDITIONAL(BUILD_KDRIVEFBDEVLIB, [test "x$KDRIVE" = xyes && test "x$KDRIVEFBDEVLIB" = xyes])
-AM_CONDITIONAL(XEPHYR_HAS_DRI, [test x$XEPHYR_DRI = xyes])
 AM_CONDITIONAL(XFAKESERVER, [test "x$KDRIVE" = xyes && test "x$XFAKE" = xyes])
 
 dnl these only go in xkb-config.h (which is shared by the Xorg and Xnest servers)
diff --git a/hw/kdrive/ephyr/Makefile.am b/hw/kdrive/ephyr/Makefile.am
index 90fd4d8bc..526987672 100644
--- a/hw/kdrive/ephyr/Makefile.am
+++ b/hw/kdrive/ephyr/Makefile.am
@@ -11,7 +11,7 @@ if XV
 LIBXEPHYR_HOSTXV=libxephyr-hostxv.a
 endif
 
-if XEPHYR_HAS_DRI
+if DRI
 LIBXEPHYR_HOSTDRI=libxephyr-hostdri.a
 endif
 
@@ -53,7 +53,7 @@ if XV
 libxephyr_hostxv_a_SOURCES = $(HOSTVIDEO_SRCS)
 endif
 
-if XEPHYR_HAS_DRI
+if DRI
 libxephyr_hostdri_a_SOURCES = $(HOSTDRI_SRCS)
 endif
 
diff --git a/hw/kdrive/ephyr/XF86dri.c b/hw/kdrive/ephyr/XF86dri.c
index a5fc9bde3..be65edf5b 100644
--- a/hw/kdrive/ephyr/XF86dri.c
+++ b/hw/kdrive/ephyr/XF86dri.c
@@ -46,8 +46,6 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <kdrive-config.h>
 #endif
 
-#ifdef XEPHYR_DRI
-
 /* THIS IS NOT AN X CONSORTIUM STANDARD */
 
 #define NEED_REPLIES
@@ -639,5 +637,3 @@ XF86DRICloseFullScreen(Display *dpy, int screen, Drawable drawable)
     (void) drawable;
     return True;
 }
-#endif /*EPHYR_DRI*/
-
diff --git a/hw/kdrive/ephyr/ephyr.c b/hw/kdrive/ephyr/ephyr.c
index b02f9903c..d69e1489b 100644
--- a/hw/kdrive/ephyr/ephyr.c
+++ b/hw/kdrive/ephyr/ephyr.c
@@ -32,11 +32,11 @@
 #include "scrnintstr.h"
 #include "ephyrlog.h"
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 #include "ephyrdri.h"
 #include "ephyrdriext.h"
 #include "ephyrglxext.h"
-#endif /*XEPHYR_DRI*/
+#endif /* XF86DRI */
 
 extern int KdTsPhyScreen;
 #ifdef GLXEXT
@@ -631,7 +631,7 @@ ephyrInitScreen (ScreenPtr pScreen)
   }
 #endif /*XV*/
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
   if (!ephyrNoDRI && !hostx_has_dri ()) {
       EPHYR_LOG ("host x does not support DRI. Disabling DRI forwarding\n") ;
       ephyrNoDRI = TRUE ;
@@ -841,7 +841,7 @@ miPointerScreenFuncRec ephyrPointerScreenFuncs =
   ephyrWarpCursor
 };
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 /**
  * find if the remote window denoted by a_remote
  * is paired with an internal Window within the Xephyr server.
@@ -873,7 +873,7 @@ ephyrExposePairedWindow (int a_remote)
     screen->WindowExposures (pair->local, &reg, NullRegion);
     REGION_UNINIT (screen, &reg);
 }
-#endif /*XEPHYR_DRI*/
+#endif /* XF86DRI */
 
 void
 ephyrPoll(void)
@@ -908,14 +908,14 @@ ephyrPoll(void)
             else
               {
                   int x=0, y=0;
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
                   EphyrWindowPair *pair = NULL;
 #endif
                   EPHYR_LOG ("enqueuing mouse motion:%d\n", ephyrCurScreen) ;
                   x = ev.data.mouse_motion.x;
                   y = ev.data.mouse_motion.y;
                   EPHYR_LOG ("initial (x,y):(%d,%d)\n", x, y) ;
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
                   EPHYR_LOG ("is this window peered by a gl drawable ?\n") ;
                   if (findWindowPairFromRemote (ev.data.mouse_motion.window,
                                                 &pair))
@@ -972,7 +972,7 @@ ephyrPoll(void)
 	  KdEnqueueKeyboardEvent (ephyrKbd, ev.data.key_up.scancode, TRUE);
 	  break;
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 	case EPHYR_EV_EXPOSE:
 	  /*
 	   * We only receive expose events when the expose event have
@@ -982,7 +982,7 @@ ephyrPoll(void)
 	   */
 	  ephyrExposePairedWindow (ev.data.expose.window);
 	  break;
-#endif /*XEPHYR_DRI*/
+#endif /* XF86DRI */
 
 	default:
 	  break;
diff --git a/hw/kdrive/ephyr/ephyrdri.c b/hw/kdrive/ephyr/ephyrdri.c
index bb4f6a144..9aa68b126 100644
--- a/hw/kdrive/ephyr/ephyrdri.c
+++ b/hw/kdrive/ephyr/ephyrdri.c
@@ -29,11 +29,8 @@
 #include <kdrive-config.h>
 #endif
 
-#ifdef XEPHYR_DRI
-
 #include <X11/Xutil.h>
 #include <X11/Xlibint.h>
-/*#define _XF86DRI_SERVER_*/
 #include <GL/glx.h>
 #include "xf86dri.h"
 #include "hostx.h"
@@ -287,5 +284,3 @@ ephyrDRIGetDeviceInfo (int a_screen,
     EPHYR_LOG ("leave:%d\n", is_ok) ;
     return is_ok ;
 }
-#endif /*EPHYR_DRI*/
-
diff --git a/hw/kdrive/ephyr/ephyrdriext.c b/hw/kdrive/ephyr/ephyrdriext.c
index fafe56d1f..883e3309d 100644
--- a/hw/kdrive/ephyr/ephyrdriext.c
+++ b/hw/kdrive/ephyr/ephyrdriext.c
@@ -32,8 +32,6 @@
 #include <kdrive-config.h>
 #endif
 
-#ifdef XEPHYR_DRI
-
 #include <string.h>
 
 #define NEED_REPLIES
@@ -1439,5 +1437,3 @@ SProcXF86DRIDispatch (register ClientPtr client)
         }
     }
 }
-
-#endif /*XEPHYR_DRI*/
diff --git a/hw/kdrive/ephyr/ephyrglxext.c b/hw/kdrive/ephyr/ephyrglxext.c
index 43a634d24..2e08e392c 100644
--- a/hw/kdrive/ephyr/ephyrglxext.c
+++ b/hw/kdrive/ephyr/ephyrglxext.c
@@ -42,8 +42,6 @@
 #include "hostx.h"
 
 
-#ifdef XEPHYR_DRI
-
 #ifndef TRUE
 #define TRUE 1
 #endif
@@ -727,6 +725,3 @@ ephyrGLXIsDirectSwap (__GLXclientState *a_cl, GLbyte *a_pc)
 {
     return ephyrGLXIsDirectReal (a_cl, a_pc, TRUE) ;
 }
-
-#endif /*XEPHYR_DRI*/
-
diff --git a/hw/kdrive/ephyr/ephyrhostglx.c b/hw/kdrive/ephyr/ephyrhostglx.c
index f5db5be16..6d783d279 100644
--- a/hw/kdrive/ephyr/ephyrhostglx.c
+++ b/hw/kdrive/ephyr/ephyrhostglx.c
@@ -41,7 +41,6 @@
 #include "ephyrlog.h"
 #include "hostx.h"
 
-#ifdef XEPHYR_DRI
 enum VisualConfRequestType {
     EPHYR_GET_FB_CONFIG,
     EPHYR_VENDOR_PRIV_GET_FB_CONFIG_SGIX,
@@ -687,6 +686,3 @@ out:
     EPHYR_LOG ("leave\n") ;
     return is_ok ;
 }
-
-#endif /*XEPHYR_DRI*/
-
diff --git a/hw/kdrive/ephyr/hostx.c b/hw/kdrive/ephyr/hostx.c
index 1a71d0641..74f9f1628 100644
--- a/hw/kdrive/ephyr/hostx.c
+++ b/hw/kdrive/ephyr/hostx.c
@@ -45,12 +45,12 @@
 #include <X11/keysym.h>
 #include <X11/extensions/XShm.h>
 #include <X11/extensions/shape.h>
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 #include <GL/glx.h>
-#endif /*XEPHYR_DRI*/
+#endif /* XF86DRI */
 #include "ephyrlog.h"
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 extern Bool XF86DRIQueryExtension (Display *dpy,
                                    int *event_basep,
                                    int *error_basep);
@@ -1315,7 +1315,7 @@ hostx_has_xshape (void)
     return TRUE;
 }
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 typedef struct {
     int is_valid ;
     int local_id ;
@@ -1418,5 +1418,4 @@ hostx_has_glx (void)
     return TRUE ;
 }
 
-#endif /*XEPHYR_DRI*/
-
+#endif /* XF86DRI */
diff --git a/hw/kdrive/ephyr/hostx.h b/hw/kdrive/ephyr/hostx.h
index 47ba61b5b..c1b1958de 100644
--- a/hw/kdrive/ephyr/hostx.h
+++ b/hw/kdrive/ephyr/hostx.h
@@ -244,7 +244,7 @@ int hostx_set_window_clipping_rectangles (int a_window,
                                           int a_num_rects) ;
 int hostx_has_xshape (void) ;
 
-#ifdef XEPHYR_DRI
+#ifdef XF86DRI
 int hostx_lookup_peer_window (void *a_local_window,
                               int *a_host_peer /*out parameter*/) ;
 int
@@ -256,6 +256,6 @@ hostx_get_resource_id_peer (int a_local_resource_id,
 int hostx_has_dri (void) ;
 
 int hostx_has_glx (void) ;
-#endif /*XEPHYR_DRI*/
+#endif /* XF86DRI */
 
 #endif /*_XLIBS_STUFF_H_*/
diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index 177908265..135d3d8ae 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -419,8 +419,6 @@
 /* Support DRI extension */
 #undef XF86DRI
 
-#undef XEPHYR_DRI
-
 /* Build DRI2 extension */
 #undef DRI2