diff --git a/nix/release.nix b/nix/release.nix
deleted file mode 100644
index 8927bd9..0000000
--- a/nix/release.nix
+++ /dev/null
@@ -1,27 +0,0 @@
-{ pkgs ? import <nixpkgs> {}}:
-
-let
-  artiq-board = import <artiqSrc/nix/artiq-board.nix> { inherit pkgs; };
-  conda-board = import <artiqSrc/nix/conda-board.nix> { inherit pkgs; };
-
-  target = "kasli";
-
-  variants = ["berkeley" "mitll2" "mitll" "nudt" "sysu" "tsinghua2" "tsinghua" "unsw" "ustc" "wipm"];
-  jobs = pkgs.lib.lists.foldr (variant: start:
-    let
-      json = ../. + "/${variant}.json";
-      boardBinaries = artiq-board {
-        inherit target variant;
-        buildCommand = "python -m artiq.gateware.targets.kasli_generic ${json}";
-      };
-    in
-      start // {
-        "artiq-board-${target}-${variant}" = boardBinaries;
-        "conda-artiq-board-${target}-${variant}" = conda-board {
-          artiqSrc = <artiqSrc>;
-          boardBinaries = boardBinaries;
-          inherit target variant;
-      };
-  }) {} variants;
-in
-  jobs