diff --git a/flake.nix b/flake.nix
index 0655ad2..11d1575 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,44 +7,10 @@
       value = import "${base}/${name}";
     }) (builtins.readDir base);
 
-    sdk = fetch: fetch {
-      owner = "NessieCircuits";
-      repo = "Riotee_SDK";
-      tag = "v1.2.0";
-      hash = "sha256-1ZFvbGiTzAuBnKGUe/MAAI4D+d+jl/LCLcYqthkxB5M=";
-    };
-
-    apps = system: pkgs: {
-      default = self.apps.${system}.probe;
-      probe = { type = "app"; program = "${self.packages.${system}.riotee-probe}/bin/riotee-probe"; };
-    };
-
     packages = let
       packages = scan ./packages;
     in system: pkgs: builtins.mapAttrs (_: fn: pkgs.callPackage fn {}) packages;
-
-    devShells = system: pkgs: {
-      default = pkgs.mkShell {
-        buildInputs = with pkgs; [
-          self.packages.${system}.riotee-probe
-          gnumake
-          gcc-arm-embedded
-        ];
-        shellHook = ''
-          export RIOTEE_SDK_ROOT="${sdk pkgs.fetchFromGitHub}"
-        '';
-      };
-    };
-
-    overlays = system: pkgs: {
-      default = self.overlays.${system}.riotee;
-      riotee = final: prev: prev // (packages system pkgs);
-    };
-
   in {
-    apps = builtins.mapAttrs apps nixpkgs.legacyPackages;
     packages = builtins.mapAttrs packages nixpkgs.legacyPackages;
-    devShells = builtins.mapAttrs devShells nixpkgs.legacyPackages;
-    overlays = builtins.mapAttrs overlays nixpkgs.legacyPackages;
   };
 }