diff --git a/nix/sources.json b/nix/sources.json
index 774a4ad..8565fcc 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -1,16 +1,4 @@
 {
-    "niv": {
-        "branch": "master",
-        "description": "Easy dependency management for Nix projects",
-        "homepage": "https://github.com/nmattia/niv",
-        "owner": "nmattia",
-        "repo": "niv",
-        "rev": "2ecfd86b631714b457e56d70dd83fa60435baeb6",
-        "sha256": "01j6727cws8blg1npp54b4w6xa0gpgyzhyws2vqgp8clnlnmqqhi",
-        "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/2ecfd86b631714b457e56d70dd83fa60435baeb6.tar.gz",
-        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
-    },
     "vgo2nix": {
         "branch": "master",
         "description": null,
diff --git a/shell.nix b/shell.nix
index 3958517..488764f 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,4 +1,5 @@
 let
   pkgs = import <nixpkgs> { };
   sources = import ./nix/sources.nix;
-in pkgs.mkShell { buildInputs = [ pkgs.go sources.vgo2nix sources.niv ]; }
+  vgo2nix = (import sources.vgo2nix { });
+in pkgs.mkShell { buildInputs = [ pkgs.go pkgs.niv vgo2nix ]; }