--- a/m4/ax_check_zlib.m4
+++ b/m4/ax_check_zlib.m4
@@ -105,7 +105,6 @@
   ZLIB_OLD_LDFLAGS="$LDFLAGS"
   ZLIB_OLD_CPPFLAGS="$CPPFLAGS"
   if test -n "${ZLIB_HOME}"; then
-        LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib"
         CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include"
   fi
   AC_LANG_SAVE
@@ -118,8 +118,7 @@
     # If both library and header were found, action-if-found
     #
     m4_ifblank([$1],[
-		test "$enable_rpath" = yes -a "$ZLIB_HOME" != /usr && \
-		    LDFLAGS="$LDFLAGS -R${ZLIB_HOME}/lib"
+		test "$enable_rpath" = yes -a "$ZLIB_HOME" != /usr
                 LIBS="-lz $LIBS"
                 AC_DEFINE([HAVE_LIBZ], [1],
                           [Define to 1 if you have `z' library (-lz)])