diff --git a/contrib/crossrpms/mkspec.am b/contrib/crossrpms/mkspec.am
index 2186aab84a..6362b54cdc 100644
--- a/contrib/crossrpms/mkspec.am
+++ b/contrib/crossrpms/mkspec.am
@@ -1,3 +1,7 @@
+noinst_DATA =
+CLEANFILES =
+EXTRA_DIST =
+
 SPECSTRIP = $(top_srcdir)/specstrip --prefix=$(prefix)
 
 MKSPEC = sed \