diff --git a/pkgs/applications/science/electronics/kicad/default.nix b/pkgs/applications/science/electronics/kicad/default.nix
index 040341098b2..a49c813036d 100644
--- a/pkgs/applications/science/electronics/kicad/default.nix
+++ b/pkgs/applications/science/electronics/kicad/default.nix
@@ -230,17 +230,8 @@ stdenv.mkDerivation rec {
     '';
     license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [ evils ];
-    # kicad is cross platform
     platforms = lib.platforms.all;
     broken = stdenv.isDarwin;
-
-    hydraPlatforms = if (with3d) then [ ] else platforms;
-    # We can't download the 3d models on Hydra,
-    # they are a ~1 GiB download and they occupy ~5 GiB in store.
-    # as long as the base and libraries (minus 3d) are build,
-    # this wrapper does not need to get built
-    # the kicad-*small "packages" cause this to happen
-
     mainProgram = "kicad";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b75ec331da2..6454a14b9c4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -39973,9 +39973,11 @@ with pkgs;
 
   # this is a wrapper for kicad.base and kicad.libraries
   kicad = callPackage ../applications/science/electronics/kicad { };
+  # this is the same but without the (sizable) 3D models library
   kicad-small = kicad.override { pname = "kicad-small"; with3d = false; };
+  # this is the master branch at whatever point update.sh last updated versions.nix
   kicad-unstable = kicad.override { pname = "kicad-unstable"; stable = false; };
-  # mostly here so the kicad-unstable components (except packages3d) get built
+  # and a small version of that
   kicad-unstable-small = kicad.override {
     pname = "kicad-unstable-small";
     stable = false;