diff -up ./configure.in.orig ./configure.in
--- ./configure.in.orig	2014-03-15 10:06:38.492132993 +0200
+++ ./configure.in	2014-03-15 10:06:51.181627885 +0200
@@ -301,7 +301,6 @@ CONDITIONAL_SUBDIRS=
 if test "x$ac_cv_lib_z_uncompress" = "xno"; then
   CONDITIONAL_SUBDIRS="$CONDITIONAL_SUBDIRS zlib"
 fi
-AC_CONFIG_SUBDIRS(zlib)
 
 CFLAGS="$CFLAGS -Wall"
 
diff -up ./Makefile.am.orig ./Makefile.am
--- ./Makefile.am.orig	2014-03-15 11:55:27.112669333 +0200
+++ ./Makefile.am	2014-03-15 11:55:42.766047589 +0200
@@ -22,14 +22,9 @@ EXTRA_DIST =                    \
         reconf			\
 	makefile.win32		\
 	makewin32.bat
-if ID3_NEEDZLIB
-zlib_subdir = zlib
-else
-zlib_subdir = 
-endif
 
-SUBDIRS =  . m4 $(zlib_subdir) doc include id3com src examples
-DIST_SUBDIRS = . m4 zlib doc include id3com src examples prj libprj
+SUBDIRS =  . m4 doc include id3com src examples
+DIST_SUBDIRS = . m4 doc include id3com src examples prj libprj
 
 AM_CPPFLAGS = @ID3LIB_DEBUG_FLAGS@