diff --git a/fs/jffs2/compr_zlib.c b/fs/jffs2/compr_zlib.c
index 2b87fcc..f4519db 100644
--- a/fs/jffs2/compr_zlib.c
+++ b/fs/jffs2/compr_zlib.c
@@ -16,7 +16,6 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/zlib.h>
-#include <linux/zutil.h>
 #include "nodelist.h"
 #include "compr.h"
 
@@ -29,6 +28,13 @@
 	*/
 #define STREAM_END_SPACE 12
 
+/*
+ * PRESET_DICT is set in the internal (aka: private) zlib header zutil.h
+ * the value - 0x20 - is defined in RFC 1950, so making a duplicate
+ * definition here to remove this code's dependency on that file is safe.
+ */
+#define PRESET_DICT 0x20
+
 static DEFINE_MUTEX(deflate_mutex);
 static DEFINE_MUTEX(inflate_mutex);
 static z_stream inf_strm, def_strm;