diff --git a/pkgs/development/python-modules/pyelftools/default.nix b/pkgs/development/python-modules/pyelftools/default.nix
index 063215f5bc6e..85110fdf94aa 100644
--- a/pkgs/development/python-modules/pyelftools/default.nix
+++ b/pkgs/development/python-modules/pyelftools/default.nix
@@ -38,12 +38,18 @@ buildPythonPackage rec {
     "elftools"
   ];
 
-  meta = with lib; {
+  meta = {
     description = "Python library for analyzing ELF files and DWARF debugging information";
     homepage = "https://github.com/eliben/pyelftools";
     changelog = "https://github.com/eliben/pyelftools/blob/v${version}/CHANGES";
-    license = licenses.publicDomain;
-    maintainers = with maintainers; [ igsha pamplemousse ];
+    license = with lib.licenses; [
+      # Public domain with Unlicense waiver.
+      unlicense
+      # pyelftools bundles construct library that is licensed under MIT license.
+      # See elftools/construct/{LICENSE,README} in the source code.
+      mit
+    ];
+    maintainers = with lib.maintainers; [ igsha pamplemousse ];
     mainProgram = "readelf.py";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 323c8fba6fcc..46c50a685d25 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -193,7 +193,6 @@ with pkgs;
       pythonInterpreter = "${python3.withPackages (ps: [ ps.pyelftools ])}/bin/python";
       autoPatchelfScript = ../build-support/setup-hooks/auto-patchelf.py;
     };
-    meta.platforms = lib.platforms.linux ++ lib.platforms.freebsd;
   } ../build-support/setup-hooks/auto-patchelf.sh;
 
   tomato-c = callPackage ../applications/misc/tomato-c { };