diff --git a/pkgs/development/tools/impl/default.nix b/pkgs/development/tools/impl/default.nix
index 825aa0c1fa6b..15c1361abd22 100644
--- a/pkgs/development/tools/impl/default.nix
+++ b/pkgs/development/tools/impl/default.nix
@@ -1,23 +1,20 @@
-{ buildGoPackage
-, lib
-, fetchFromGitHub
-}:
+{ buildGoModule, lib, fetchFromGitHub }:
 
-buildGoPackage rec {
-  pname = "impl-unstable";
-  version = "2019-11-19";
-  rev = "6b9658ad00c7fbd61a7b50c195754413f6c4142c";
-
-  goPackagePath = "github.com/josharian/impl";
+buildGoModule rec {
+  pname = "impl";
+  version = "1.0.0";
 
   src = fetchFromGitHub {
-    inherit rev;
     owner = "josharian";
     repo = "impl";
-    sha256 = "1d4fvj7fgiykznx1z4fmcc06x5hsqp9wn62m5qm1ds8m0rjqaxwi";
+    rev = "v${version}";
+    sha256 = "0l21fkcgiaaf6ka91dmz8hx0l3nbp0kqi8p25kij1s5zb796z0dy";
   };
 
-  goDeps = ./deps.nix;
+  vendorSha256 = "0xkalwy02w62px01jdwwr3vwwsh50f22dsxf8lrrwmw6k0rq57zv";
+
+  # go: cannot find GOROOT directory: go
+  doCheck = false;
 
   meta = with lib; {
     description = "Generate method stubs for implementing an interface";
diff --git a/pkgs/development/tools/impl/deps.nix b/pkgs/development/tools/impl/deps.nix
deleted file mode 100644
index f028df3be2d8..000000000000
--- a/pkgs/development/tools/impl/deps.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-# This file was generated by https://github.com/kamilchm/go2nix v1.3.0
-[
-  {
-    goPackagePath = "golang.org/x/mod";
-    fetch = {
-      type = "git";
-      url = "https://go.googlesource.com/mod";
-      rev = "2addee1ccfb22349ab47953a3046338e461eb4d1";
-      sha256 = "1r0drcji290nlq9czibcfynpwxyqx8a5p4b7lam6wblbh2lasfb6";
-    };
-  }
-  {
-    goPackagePath = "golang.org/x/tools";
-    fetch = {
-      type = "git";
-      url = "https://go.googlesource.com/tools";
-      rev = "72e4a01eba4315301fd9ce00c8c2f492580ded8a";
-      sha256 = "0a8c7j4w784w441j3j3bh640vy1g6g214641qv485wyi0xj49anf";
-    };
-  }
-  {
-    goPackagePath = "golang.org/x/xerrors";
-    fetch = {
-      type = "git";
-      url = "https://go.googlesource.com/xerrors";
-      rev = "9bdfabe68543c54f90421aeb9a60ef8061b5b544";
-      sha256 = "1yjfi1bk9xb81lqn85nnm13zz725wazvrx3b50hx19qmwg7a4b0c";
-    };
-  }
-]