diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index e8fee68bf..3c7184ebb 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -14,7 +14,7 @@ libkrb5_a_SOURCES = address.c asn1_glue.c auth_context.c \
 	get_addrs.c get_cred.c get_host_realm.c get_in_tkt.c get_in_tkt_pw.c \
 	get_port.c keytab.c krbhst.c misc.c mk_error.c mk_priv.c \
 	mk_rep.c mk_req.c \
-	mk_req_ext.c mk_safe.c principal.c principal_p.c rd_priv.c rd_rep.c \
+	mk_req_ext.c mk_safe.c principal.c rd_priv.c rd_rep.c \
 	rd_req.c rd_safe.c send_to_kdc.c sendauth.c store.c store_emem.c \
 	store_fd.c store_mem.c str2key.c net_write.c net_read.c recvauth.c \
 	verify_user.c generate_subkey.c generate_seq_number.c