diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index 9468ad0bf..55cebb690 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -199,9 +199,6 @@
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
-/* Define to 1 if you have the `strcasestr' function. */
-#undef HAVE_STRCASESTR
-
 /* Define to 1 if you have the `strchr' function. */
 #undef HAVE_STRCHR
 
@@ -518,4 +515,10 @@
 /* Define to 64-bit byteswap macro */
 #undef bswap_64
 
+/* Need the strcasecmp function. */
+#undef NEED_STRCASECMP
+
+/* Need the strncasecmp function. */
+#undef NEED_STRNCASECMP
+
 #endif /* _DIX_CONFIG_H_ */