diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index 69fc5e3fb..c64321ef1 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -310,9 +310,6 @@
 /* Support UNIX socket connections */
 #undef UNIXCONN
 
-/* unaligned word accesses behave as expected */
-#undef WORKING_UNALIGNED_INT
-
 /* Build X string registry */
 #undef XREGISTRY
 
@@ -346,9 +343,6 @@
 /* Support Xinerama extension */
 #undef XINERAMA
 
-/* Vendor release */
-#undef XORG_RELEASE
-
 /* Current Xorg version */
 #undef XORG_VERSION_CURRENT