diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -5,12 +5,16 @@
 * First version. Released on an unsuspecting world.
 
 
-## 0.2.0.0  -- 2017-12-27
+## 0.2.0.0  -- 2017-12-28
 
 * Added: stack.yaml file
 * opendata.netcetera.com is now on https
 * update bounds for GHC 8.2.2
 
-## 0.2.0.1  -- 2017-12-27
+## 0.2.0.1  -- 2017-12-29
 
 * Added: default.nix file
+
+## 0.2.0.2  -- 2017-12-29
+
+* Remove: default.nix file. It does not work as expected!!
diff --git a/default.nix b/default.nix
deleted file mode 100644
--- a/default.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ mkDerivation, aeson, base, data-default, stdenv, text, time }:
-mkDerivation {
-  pname = "opench-meteo";
-  version = "0.2.0.0";
-  sha256 = "1h3slv334cx571l1k113qq0fg9ggznp0f0cabrdm7lr1jldn94wy";
-  libraryHaskellDepends = [ aeson base data-default text time ];
-  homepage = "https://github.com/hansroland/opench";
-  description = "A Haskell implementation of the Swiss Meteo Net data API";
-  license = stdenv.lib.licenses.bsd3;
-}
diff --git a/opench-meteo.cabal b/opench-meteo.cabal
--- a/opench-meteo.cabal
+++ b/opench-meteo.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                opench-meteo
-version:             0.2.0.1
+version:             0.2.0.2
 synopsis:            A Haskell implementation of the Swiss Meteo Net data API
 description:         OpenData SMN is a REST API for <http://www.meteoswiss.admin.ch/home/measurement-and-forecasting-systems/land-based-stations/automatisches-messnetz.html SwissMetNet > data.
                      The module Data.Meteo.Swiss contains the main documentation.
@@ -14,7 +14,7 @@
 copyright:           Copyright by Roland Senn           
 category:            Data
 build-type:          Simple
-extra-source-files:  ChangeLog.md, default.nix
+extra-source-files:  ChangeLog.md
 cabal-version:       >=1.10
 
 library