diff --git a/hw/xfree86/os-support/Makefile.am b/hw/xfree86/os-support/Makefile.am
index f9a888e2f..5ade7e81c 100644
--- a/hw/xfree86/os-support/Makefile.am
+++ b/hw/xfree86/os-support/Makefile.am
@@ -1,5 +1,5 @@
-SUBDIRS = bus @XORG_OS_SUBDIR@ misc $(DRI_SUBDIRS)
-DIST_SUBDIRS = bsd bus drm misc linux lynxos solaris sysv sco usl hurd
+t -SUBDIRS = bus @XORG_OS_SUBDIR@ misc $(DRI_SUBDIRS)
+DIST_SUBDIRS = bsd bus misc linux lynxos solaris sysv sco usl hurd
 
 sdk_HEADERS = xf86_OSproc.h xf86_OSlib.h xf86_ansic.h xf86_libc.h \
               assyntax.h xf86OSmouse.h