diff --git a/libgimpmath/Makefile.am b/libgimpmath/Makefile.am
index be67ba8eee..0c34e2d5cd 100644
--- a/libgimpmath/Makefile.am
+++ b/libgimpmath/Makefile.am
@@ -63,8 +63,6 @@ libgimpmath_@GIMP_API_VERSION@_la_SOURCES = \
 	gimpmathtypes.h	\
 	gimpmatrix.c	\
 	gimpmatrix.h	\
-	gimpmd5.c	\
-	gimpmd5.h	\
 	gimpvector.c	\
 	gimpvector.h
 
@@ -72,7 +70,6 @@ libgimpmathinclude_HEADERS = \
 	gimpmath.h	\
 	gimpmathtypes.h	\
 	gimpmatrix.h	\
-	gimpmd5.h	\
 	gimpvector.h
 
 libgimpmath_@GIMP_API_VERSION@_la_LDFLAGS = \
diff --git a/libgimpmath/gimpmath.h b/libgimpmath/gimpmath.h
index c26acc3710..d2c591566f 100644
--- a/libgimpmath/gimpmath.h
+++ b/libgimpmath/gimpmath.h
@@ -37,7 +37,6 @@
 #include <libgimpmath/gimpmathtypes.h>
 
 #include <libgimpmath/gimpmatrix.h>
-#include <libgimpmath/gimpmd5.h>
 #include <libgimpmath/gimpvector.h>
 
 #undef __GIMP_MATH_H_INSIDE__
diff --git a/libgimpmath/gimpmd5.c b/libgimpmath/gimpmd5.c
deleted file mode 100644
index 712c3a9885..0000000000
--- a/libgimpmath/gimpmd5.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* LIBGIMP - The GIMP Library
- *
- * gimpmd5.c
- *
- * Use of this code is deprecated! Use %GChecksum from GLib instead.
- */
-
-#include "config.h"
-
-#include <glib-object.h>
-
-#include "gimpmathtypes.h"
-
-#include "gimpmd5.h"
-
-
-/**
- * SECTION: gimpmd5
- * @title: GimpMD5
- * @short_description: The MD5 message-digest algorithm
- *
- * The MD5 message-digest algorithm
- **/
-
-
-/**
- * gimp_md5_get_digest:
- * @buffer:      byte buffer
- * @buffer_size: buffer size (in bytes) or -1 if @buffer is nul-terminated.
- * @digest:      16 bytes buffer receiving the hash code.
- *
- * This function is deprecated! Use %GChecksum from GLib instead.
- *
- * Get the md5 hash of a buffer. The result is put in the 16 bytes
- * buffer @digest. For more information see RFC 1321.
- **/
-void
-gimp_md5_get_digest (const gchar *buffer,
-                     gint         buffer_size,
-                     guchar       digest[16])
-{
-  GChecksum *checksum;
-  gsize      len = 16;
-
-  g_return_if_fail (buffer != NULL);
-  g_return_if_fail (digest != NULL);
-
-  checksum = g_checksum_new (G_CHECKSUM_MD5);
-
-  g_checksum_update (checksum, (const guchar *) buffer, buffer_size);
-  g_checksum_get_digest (checksum, digest, &len);
-  g_checksum_free (checksum);
-}
diff --git a/libgimpmath/gimpmd5.h b/libgimpmath/gimpmd5.h
deleted file mode 100644
index 1e04e91df0..0000000000
--- a/libgimpmath/gimpmd5.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* LIBGIMP - The GIMP Library
- *
- * gimpmd5.h
- *
- * Use of this code is deprecated! Use %GChecksum from GLib instead.
- */
-
-#if !defined (__GIMP_MATH_H_INSIDE__) && !defined (GIMP_MATH_COMPILATION)
-#error "Only <libgimpmath/gimpmath.h> can be included directly."
-#endif
-
-#ifndef __GIMP_MD5_H__
-#define __GIMP_MD5_H__
-
-G_BEGIN_DECLS
-
-/* For information look into the C source or the html documentation */
-
-GIMP_DEPRECATED_FOR(GChecksum)
-void gimp_md5_get_digest (const gchar *buffer,
-                          gint         buffer_size,
-                          guchar       digest[16]);
-
-G_END_DECLS
-
-#endif  /* __GIMP_MD5_H__ */