diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 24e93a6d66e2..d9faa079cfb6 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -87,16 +87,8 @@ in lib.makeExtensible (self: {
   };
 
   nix_2_9 = common {
-    version = "2.9.1";
-    sha256 = "sha256-qNL3lQPBsnStkru3j1ajN/H+knXI+X3dku8/dBfSw3g=";
-    patches = [
-      # add missing --git-dir flags
-      # remove once 2.9.2 is out
-      (fetchpatch {
-        url = "https://github.com/NixOS/nix/commit/1a994cc35b33dcfd484e7a96be0e76e23bfb9029.patch";
-        sha256 = "sha256-7rDlqWRSVPijbvrTm4P+YykbMWyJryorXqGLEgg8/Wo=";
-      })
-    ];
+    version = "2.9.2";
+    sha256 = "sha256-uZCaBo9rdWRO/AlQMvVVjpAwzYijB2H5KKQqde6eHkg=";
   };
 
   stable = self.nix_2_9;