diff --git a/eda/nmigen-boards.nix b/eda/nmigen-boards.nix
index 9da6a33..fdaac62 100644
--- a/eda/nmigen-boards.nix
+++ b/eda/nmigen-boards.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchgit, python3Packages, nmigen, git }:
 
-python3Packages.buildPythonPackage rec {
+python3Packages.buildPythonPackage {
   name = "nmigen-boards";
   version = "2019-10-13";
 
diff --git a/eda/nmigen.nix b/eda/nmigen.nix
index c4dee1e..b153cd1 100644
--- a/eda/nmigen.nix
+++ b/eda/nmigen.nix
@@ -1,6 +1,6 @@
 { stdenv, python3Packages, yosys, symbiyosys, yices, git }:
 
-python3Packages.buildPythonPackage rec {
+python3Packages.buildPythonPackage {
   pname = "nmigen";
   version = "0.1rc1";