diff --git a/configure.in b/configure.in
index 6ab7e883c..f7af0ec80 100644
--- a/configure.in
+++ b/configure.in
@@ -563,7 +563,6 @@ fi
 if test x$fast = xtrue; then
 	AC_HAVE_LIBRARY([neo_cgi],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver library neo_cgi not found!])])
 	AC_HAVE_LIBRARY([neo_utl],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver library neo_utl not found!])])
-	AC_HAVE_LIBRARY([z],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver dependency zlib not found!])])
 dnl autoconf does not like CamelCase!? How to fix this?
 dnl	AC_CHECK_HEADER([ClearSilver/ClearSilver.h],,[AC_MSG_ERROR([ClearSilver header file ClearSilver/ClearSilver.h not found!])])
 
diff --git a/src/libfast/Makefile.am b/src/libfast/Makefile.am
index 5a1193658..7738a3e9d 100644
--- a/src/libfast/Makefile.am
+++ b/src/libfast/Makefile.am
@@ -3,6 +3,6 @@ lib_LTLIBRARIES = libfast.la
 libfast_la_SOURCES = context.h dispatcher.c request.h session.h \
   controller.h dispatcher.h request.c session.c filter.h smtp.c smtp.h
 libfast_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la \
-  -lfcgi -lneo_cgi -lneo_cs -lneo_utl -lz $(PTHREADLIB)
+  -lfcgi -lneo_cgi -lneo_cs -lneo_utl $(PTHREADLIB)
 INCLUDES = -I$(top_srcdir)/src/libstrongswan -I/usr/include/ClearSilver
 AM_CFLAGS = -rdynamic