diff --git a/pkgs/tools/admin/simp_le/default.nix b/pkgs/tools/admin/simp_le/default.nix
index 78ae1953ad7..fdb531736d0 100644
--- a/pkgs/tools/admin/simp_le/default.nix
+++ b/pkgs/tools/admin/simp_le/default.nix
@@ -1,16 +1,16 @@
 { stdenv, fetchFromGitHub, pythonPackages }:
 
 pythonPackages.buildPythonApplication rec {
-  name = "simp_le-2016-02-06";
+  name = "simp_le-2016-04-17";
 
   src = fetchFromGitHub {
     owner = "kuba";
     repo = "simp_le";
-    rev = "8f258bc098a84b7a20c2732536d0740244d814f7";
-    sha256 = "1r2c31bhj91n3cjyf01spx52vkqxi5475zzkc9s1aliy3fs3lc4r";
+    rev = "3a103b76f933f9aef782a47401dd2eff5057a6f7";
+    sha256 = "0x8gqazn09m30bn1l7xnf8snhbb7yz7sb09imciqmm4jqdvn797z";
   };
 
-  propagatedBuildInputs = with pythonPackages; [ acme_0_1 ];
+  propagatedBuildInputs = with pythonPackages; [ acme ];
 
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f5840461b80..19e0483ceb0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -270,29 +270,6 @@ in modules // {
     postUnpack = "sourceRoot=\${sourceRoot}/acme";
   };
 
-  # Maintained for simp_le compatibility
-  acme_0_1 = buildPythonPackage rec {
-    version = "0.1.0";
-
-    name = "acme-${version}";
-
-    src = pkgs.fetchFromGitHub {
-      owner = "letsencrypt";
-      repo = "letsencrypt";
-      rev = "v${version}";
-      sha256 = "1f7406nnybsdbwxf7r9qjf6hzkfd7cg6qp8l9l7hrzwscsq5hicj";
-    };
-
-    propagatedBuildInputs = with self; [
-      cryptography pyasn1 pyopenssl pyRFC3339 pytz requests2 six werkzeug mock
-      ndg-httpsclient
-    ];
-
-    buildInputs = with self; [ nose ];
-
-    sourceRoot = "letsencrypt-v${version}-src/acme";
-  };
-
   acme-tiny = buildPythonPackage rec {
     name = "acme-tiny-${version}";
     version = "20151229";