diff --git a/build/autogen.sh b/build/autogen.sh
index 5d77897f135fb43580f9eeb21046f6d9d8b61ad9..b40645995630d7deb5c7360bfd2093a0d9954b0a 100644
--- a/build/autogen.sh
+++ b/build/autogen.sh
@@ -83,7 +83,7 @@ if [ -d kernel_patches ] ; then
     REQUIRED_DIRS="build"
     CONFIGURE_DIRS=""
 else
-    REQUIRED_DIRS="build libcfs lnet lustre"
+    REQUIRED_DIRS="build lnet lustre"
     OPTIONAL_DIRS="snmp portals"
     CONFIGURE_DIRS="libsysio lustre-iokit ldiskfs"
 fi