diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..3654105
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,37 @@
+{
+  description = "free-bandcamp-downloader flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+  };
+
+  outputs =
+    { self, nixpkgs, ... }:
+    let
+
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+      packageOverrides = pkgs.callPackage ./python-packages.nix { };
+      python = pkgs.python3.override { inherit packageOverrides; };
+
+    in
+    {
+      devShells.x86_64-linux.default = pkgs.mkShell {
+
+        packages = [
+          (python.withPackages (
+            p: with p; [
+              requests
+              beautifulsoup4
+              tqdm
+              urllib3
+              docopt-ng
+              pyrfc6266
+              python-guerrillamail
+            ]
+          ))
+        ];
+
+      };
+    };
+}
diff --git a/free_bandcamp_downloader/bc_free_downloader.py b/free_bandcamp_downloader/bc_free_downloader.py
index bb26e78..c6ece17 100644
--- a/free_bandcamp_downloader/bc_free_downloader.py
+++ b/free_bandcamp_downloader/bc_free_downloader.py
@@ -163,26 +163,6 @@ class BCFreeDownloader:
         os.remove(file_name)
         return glob.glob(os.path.join(dir_name, "*"))
 
-    # Tag downloaded audio file with url & comment
-    @staticmethod
-    def tag_file(file_name: str, head_data: Dict):
-        try:
-            f = mutagen.File(file_name)
-            if f is None:
-                return
-
-            f["website"] = head_data["@id"]
-            if head_data.get("keywords"):
-                f["genre"] = head_data["keywords"]
-            comment = ""
-            comment += head_data.get("description", "").strip()
-            comment += "\n\n" + head_data.get("creditText", "")
-            f["comment"] = comment.strip()
-            f.save()
-        except Exception:
-            # only should happen if the file doesn't support tags
-            pass
-
     def _download_purchased_album(
         self, user_id: int, tralbum_data: Dict
     ) -> DownloadRet:
diff --git a/pyproject.toml b/pyproject.toml
index 2ce1b38..b47b116 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,6 @@ dependencies = [
     "beautifulsoup4>=4.12.2,<5.0.0",
     "tqdm>=4.66.1,<5.0.0",
     "pyrfc6266>=1.0.2,<2.0.0",
-    "mutagen>=1.47.0,<2.0.0",
     "docopt-ng>=0.9.0,<1.0.0",
     "python-guerrillamail>=0.2.0,<1.0.0"
 ]