diff --git a/README.rst b/README.rst
index 74ee0105f653f055785a43ab5be46d3721787070..9a847edbb7975ceb4775dc15a5af125a83c687af 100644
--- a/README.rst
+++ b/README.rst
@@ -7,7 +7,6 @@ Building
 --------
 
 The build system uses `Nix`_ which must be installed before anything can be built.
-Builds are tested against a particular nixpkgs revision.
 Start by setting up the development/operations environment::
 
   $ nix-shell