diff --git a/packages/graphviz/general-free.patch b/packages/graphviz/general-free.patch
deleted file mode 100644
index 103696fec..000000000
--- a/packages/graphviz/general-free.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- src/lib/sparse/general.h.orig	2016-04-01 08:13:25.222810595 -0700
-+++ src/lib/sparse/general.h	2016-04-01 08:14:12.770312988 -0700
-@@ -14,6 +14,8 @@
- #ifndef GENERAL_H
- #define GENERAL_H
- 
-+void free(void *ptr);
-+
- #include <stdlib.h>
- #include <stdio.h>
- #include <math.h>