diff --git a/pkgs/development/embedded/platformio/core.nix b/pkgs/development/embedded/platformio/core.nix
index c0127fae5acb..1ac707f01461 100644
--- a/pkgs/development/embedded/platformio/core.nix
+++ b/pkgs/development/embedded/platformio/core.nix
@@ -3,12 +3,20 @@
 , fetchPypi
 , git
 , spdx-license-list-data
-, version, src
 }:
 
 with python3.pkgs; buildPythonApplication rec {
   pname = "platformio";
-  inherit version src;
+
+  version = "6.1.6";
+
+  # pypi tarballs don't contain tests - https://github.com/platformio/platformio-core/issues/1964
+  src = fetchFromGitHub {
+    owner = "platformio";
+    repo = "platformio-core";
+    rev = "v${version}";
+    sha256 = "sha256-BEeMfdmAWqFbQUu8YKKrookQVgmhfZBqXnzeb2gfhms=";
+  };
 
   outputs = [ "out" "udev" ];
 
diff --git a/pkgs/development/embedded/platformio/default.nix b/pkgs/development/embedded/platformio/default.nix
index 70a11f5736f3..956d7dee06cd 100644
--- a/pkgs/development/embedded/platformio/default.nix
+++ b/pkgs/development/embedded/platformio/default.nix
@@ -3,18 +3,8 @@
 let
   callPackage = newScope self;
 
-  version = "6.1.6";
-
-  # pypi tarballs don't contain tests - https://github.com/platformio/platformio-core/issues/1964
-  src = fetchFromGitHub {
-    owner = "platformio";
-    repo = "platformio-core";
-    rev = "v${version}";
-    sha256 = "sha256-BEeMfdmAWqFbQUu8YKKrookQVgmhfZBqXnzeb2gfhms=";
-  };
-
   self = {
-    platformio-core = python3Packages.callPackage ./core.nix { inherit version src; };
+    platformio-core = python3Packages.callPackage ./core.nix { };
 
     platformio-chrootenv = callPackage ./chrootenv.nix { };
   };