diff --git a/appl/ftp/common/Makefile.am b/appl/ftp/common/Makefile.am
index 1b0ebf2bf..30b95163b 100644
--- a/appl/ftp/common/Makefile.am
+++ b/appl/ftp/common/Makefile.am
@@ -2,8 +2,6 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-AM_CPPFLAGS += $(INCLUDE_krb4) 
-
 noinst_LIBRARIES = libcommon.a
 
 libcommon_a_SOURCES = \