RPM spec is not part of asn1c
diff --git a/configure.ac b/configure.ac
index 9fe653f..52c592b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,7 +124,6 @@
 doc/man/Makefile			\
 asn1c/Makefile				\
 doc/Makefile				\
-asn1c.spec				\
 Makefile				\
 )