diff --git a/pkgs/shells/xonsh/default.nix b/pkgs/shells/xonsh/default.nix
index d8dce917120f..faa2ae763088 100644
--- a/pkgs/shells/xonsh/default.nix
+++ b/pkgs/shells/xonsh/default.nix
@@ -39,11 +39,6 @@ python3Packages.buildPythonApplication rec {
     "--prefix PYTHONPATH : ${placeholder "out"}/lib/${python3Packages.python.libPrefix}/site-packages"
   ];
 
-  postInstall = ''
-    wrapProgram $out/bin/xonsh \
-      $makeWrapperArgs
-  '';
-
   disabledTests = [
     # fails on sandbox
     "test_colorize_file"