diff --git a/graphviz-gd_png_check_sig.patch b/graphviz-gd_png_check_sig.patch
deleted file mode 100644
index a5973c9..0000000
--- a/graphviz-gd_png_check_sig.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- lib/gd/gd_png.c
-+++ lib/gd/gd_png.c
-@@ -150,7 +150,7 @@
- 	return NULL;
-   }
- 
--	if (!png_check_sig (sig, 8)) { /* bad signature */
-+	if (png_sig_cmp (sig, 0, 8)) { /* bad signature */
-     	return NULL;		/* bad signature */
- 	}
- 
diff --git a/graphviz.changes b/graphviz.changes
index 7ddd22c..6cc356a 100644
--- a/graphviz.changes
+++ b/graphviz.changes
@@ -1,9 +1,3 @@
--------------------------------------------------------------------
-Sun Apr  4 18:47:39 CEST 2010 - ro@suse.de
-
-- fix build of gd library with new libpng14
-  (should use system gd lib ?) 
-
 -------------------------------------------------------------------
 Tue Mar 16 18:52:54 CET 2010 - ro@suse.de
 
diff --git a/graphviz.spec b/graphviz.spec
index cd2030c..6e36909 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -35,7 +35,6 @@ Patch0:         graphviz-fix-pkgIndex.patch
 Patch3:         graphviz-neato_splines.patch
 Patch11:        graphviz-2.20.2-interpreter_names.patch
 Patch13:        graphviz-stddefs.patch
-Patch14:        graphviz-gd_png_check_sig.patch
 Url:            http://www.graphviz.org/
 License:        IBM Public License ..
 Prefix:         /usr
@@ -91,7 +90,6 @@ Authors:
 %patch3
 %patch11
 %patch13
-%patch14
 # Fix path in generated man pages
 sed -e 's$@LIB_DIR@$%{_libdir}$g' tclpkg/gv/gv_doc_langs.tcl >tclpkg/gv/gv_doc_langs.tcl.new && mv tclpkg/gv/gv_doc_langs.tcl.new tclpkg/gv/gv_doc_langs.tcl
 # remove broken macros