diff --git a/configure.ac b/configure.ac
index 4c0cebc..8ea8080 100644
--- a/configure.ac
+++ b/configure.ac
@@ -136,10 +136,7 @@ XORG_DRIVER_CHECK_EXT(XV, videoproto)
 XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)
 
 # Obtain compiler/linker options for the Geode driver dependencies
-PKG_CHECK_MODULES(XORG, [xorg-server >= 1.18 xproto fontsproto $REQUIRED_MODULES])
-PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
-                  HAVE_XEXTPROTO_71="yes"; AC_DEFINE(HAVE_XEXTPROTO_71, 1, [xextproto 7.1 available]),
-                  HAVE_XEXTPROTO_71="no")
+PKG_CHECK_MODULES(XORG, [xorg-server >= 1.18 xproto fontsproto xextproto >= 7.0.99.1 $REQUIRED_MODULES])
 
 # Checks for libpciaccess support.
 SAVE_CPPFLAGS="$CPPFLAGS"
diff --git a/src/geode_driver.c b/src/geode_driver.c
index 17a66a8..a2c99f2 100644
--- a/src/geode_driver.c
+++ b/src/geode_driver.c
@@ -60,12 +60,7 @@
 
 #ifdef DPMSExtension
 #include "globals.h"
-#ifdef HAVE_XEXTPROTO_71
 #include <X11/extensions/dpmsconst.h>
-#else
-#define DPMS_SERVER
-#include <X11/extensions/dpms.h>
-#endif
 
 #endif                          /* DPMSExtension */