--- luatex-beta-0.40.6/source/texk/web2c/luatexdir/am/luamisc.am
+++ luatex-beta-0.40.6/source/texk/web2c/luatexdir/am/luamisc.am
@@ -14,8 +14,7 @@
 
 libluamisc_a_CPPFLAGS = \
 	$(ZLIB_INCLUDES) \
-	-I$(top_srcdir)/luatexdir/lua51 \
-	-I$(top_srcdir)/luatexdir/zziplib
+	-I$(top_srcdir)/luatexdir/lua51
 
 libluamisc_a_SOURCES = \
 	luatexdir/luafilesystem/src/lfs.c \