diff --git a/configure.ac b/configure.ac
index 9cf79d16..ad0a46b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,7 +50,6 @@ PKG_CHECK_MODULES(GEN4ASM, [intel-gen4asm >= 1.0], [gen4asm=yes], [gen4asm=no])
 AM_CONDITIONAL(HAVE_GEN4ASM, test x$gen4asm = xyes)
 
 AC_HEADER_STDC
-AC_CHECK_HEADERS(sys/mman.h)
 
 AH_TOP([#include "xorg-server.h"])
 
diff --git a/src/intel_driver.c b/src/intel_driver.c
index 4dbe2873..a69f7c1b 100644
--- a/src/intel_driver.c
+++ b/src/intel_driver.c
@@ -68,9 +68,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "shadow.h"
 #include "intel.h"
 #include "intel_video.h"
-#if HAVE_SYS_MMAN_H && HAVE_MPROTECT
-#include <sys/mman.h>
-#endif
 
 #ifdef INTEL_XVMC
 #define _INTEL_XVMC_SERVER_
diff --git a/src/intel_uxa.c b/src/intel_uxa.c
index 1496dbcc..b75fe55a 100644
--- a/src/intel_uxa.c
+++ b/src/intel_uxa.c
@@ -38,7 +38,6 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "i915_drm.h"
 #include "brw_defines.h"
 #include <string.h>
-#include <sys/mman.h>
 #include <errno.h>
 
 static const int I830CopyROP[16] = {