diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index b49c01655e..fceefde124 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2010-06-14	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* libmd/md5.h: Revert Sebastian's patch.
+
 2010-06-14	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* libcsupport/include/rtems/libio_.h: Fix broken doxygen
diff --git a/cpukit/libmd/md5.h b/cpukit/libmd/md5.h
index 432853d800..1756a31228 100644
--- a/cpukit/libmd/md5.h
+++ b/cpukit/libmd/md5.h
@@ -44,8 +44,6 @@
 /* typedef a 32-bit type */
 typedef uint32_t UINT4;
 
-#define MD5_DIGEST_SIZE 16
-
 /* Data structure for MD5 (Message-Digest) computation */
 typedef struct {
   UINT4 i[2];                   /* number of _bits_ handled mod 2^64 */