diff --git a/pkgs/shells/xonsh/default.nix b/pkgs/shells/xonsh/default.nix
index 5cee35ee8d4c..92f7f20993f7 100644
--- a/pkgs/shells/xonsh/default.nix
+++ b/pkgs/shells/xonsh/default.nix
@@ -31,7 +31,7 @@ python3Packages.buildPythonApplication rec {
     HOME=$TMPDIR nosetests -x
   '';
 
-  buildInputs = with python3Packages; [ glibcLocales nose pygments ];
+  buildInputs = with python3Packages; [ glibcLocales nose ];
   propagatedBuildInputs = with python3Packages; [ ply prompt_toolkit ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a128d7d475e1..377dc2c0a52e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16891,8 +16891,8 @@ in modules // {
       rm prompt_toolkit/win32_types.py
     '';
 
-    buildInputs = with self; [ jedi ipython pygments ];
-    propagatedBuildInputs = with self; [ docopt six wcwidth ];
+    buildInputs = with self; [ jedi ipython ];
+    propagatedBuildInputs = with self; [ docopt six wcwidth pygments ];
 
     meta = {
       description = "Python library for building powerful interactive command lines";