diff --git a/pkgs/development/python-modules/zigpy/default.nix b/pkgs/development/python-modules/zigpy/default.nix
index 0a8a8e2bf2c8..175f16a15333 100644
--- a/pkgs/development/python-modules/zigpy/default.nix
+++ b/pkgs/development/python-modules/zigpy/default.nix
@@ -37,6 +37,9 @@ buildPythonPackage (finalAttrs: {
     substituteInPlace pyproject.toml \
       --replace-fail '"setuptools-git-versioning<2"' "" \
       --replace-fail 'dynamic = ["version"]' 'version = "${finalAttrs.version}"'
+
+    # do not install development tools
+    rm -r tools
   '';
 
   build-system = [ setuptools ];