diff --git a/pkgs/tools/text/gnupatch/default.nix b/pkgs/tools/text/gnupatch/default.nix
index 40614be8ea9..c7307762353 100644
--- a/pkgs/tools/text/gnupatch/default.nix
+++ b/pkgs/tools/text/gnupatch/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl}:
+{ stdenv, fetchurl, ed }:
 
 stdenv.mkDerivation rec {
   name = "patch-2.6.1";
@@ -8,9 +8,9 @@ stdenv.mkDerivation rec {
     sha256 = "1fc1jyq80nswkf492fiqdbl2bhvlw2wb44ghqlfd3zngx4qkfmni";
   };
 
-  # Fails on armv5tel-linux at least, maybe on more platforms
-  # Some tests require 'ed', additionally.
-  doCheck = false;
+  buildInputs = (stdenv.lib.optional doCheck ed);
+
+  doCheck = true;
 
   meta = {
     description = "GNU Patch, a program to apply differences to files";
@@ -29,9 +29,3 @@ stdenv.mkDerivation rec {
     platforms = stdenv.lib.platforms.all;
   };
 }
-
-# XXX: These Darwin hacks were useful with 2.5.4; assuming they're no
-#  longer useful.
-#
-#  patches = if stdenv.isDarwin then [./setmode.patch] else [];
-#} // (if stdenv.isDarwin then { ac_cv_exeext = "" ; } else {} ) )
diff --git a/pkgs/tools/text/gnupatch/setmode.patch b/pkgs/tools/text/gnupatch/setmode.patch
deleted file mode 100644
index 83b7022e18d..00000000000
--- a/pkgs/tools/text/gnupatch/setmode.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff -rc patch-2.5.4-orig/pch.c patch-2.5.4/pch.c
-*** patch-2.5.4-orig/pch.c	Mon Aug 30 08:20:08 1999
---- patch-2.5.4/pch.c	Fri Jul 14 13:11:26 2006
-***************
-*** 105,111 ****
-      if (!filename || !*filename || strEQ (filename, "-"))
-        {
-  	file_offset stdin_pos;
-! #if HAVE_SETMODE
-  	if (binary_transput)
-  	  {
-  	    if (isatty (STDIN_FILENO))
---- 105,111 ----
-      if (!filename || !*filename || strEQ (filename, "-"))
-        {
-  	file_offset stdin_pos;
-! #if 0 && HAVE_SETMODE
-  	if (binary_transput)
-  	  {
-  	    if (isatty (STDIN_FILENO))
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3d7031fff8a..109724fe53e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -737,7 +737,7 @@ let
     });
 
   gnupatch = useFromStdenv "patch" (import ../tools/text/gnupatch {
-    inherit fetchurl stdenv;
+    inherit fetchurl stdenv ed;
   });
 
   gnupg = import ../tools/security/gnupg {