diff --git a/hydra/fpga.json b/hydra/fpga.json
deleted file mode 100644
index cdf76ee..0000000
--- a/hydra/fpga.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-    "enabled": 1,
-    "hidden": true,
-    "description": "js",
-    "nixexprinput": "nixScripts",
-    "nixexprpath": "hydra/fpga.nix",
-    "checkinterval": 300,
-    "schedulingshares": 10,
-    "enableemail": false,
-    "emailoverride": "",
-    "keepnr": 10,
-    "inputs": {
-        "nixpkgs": { "type": "git", "value": "git://github.com/NixOS/nixpkgs nixos-19.03", "emailresponsible": false },
-        "nixScripts": { "type": "git", "value": "https://git.m-labs.hk/M-Labs/nix-scripts.git", "emailresponsible": false }
-    }
-}
diff --git a/hydra/fpga.nix b/hydra/fpga.nix
deleted file mode 100644
index 5edeba2..0000000
--- a/hydra/fpga.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ pkgs ? import <nixpkgs> {}}:
-{
-  jobsets = pkgs.runCommand "spec.json" {}
-    ''
-    cat > $out << EOF
-    {
-        "heavyx": {
-            "enabled": 1,
-            "hidden": false,
-            "description": "HeavyX SoC toolkit experiment",
-            "nixexprinput": "heavyx",
-            "nixexprpath": "release.nix",
-            "checkinterval": 300,
-            "schedulingshares": 10,
-            "enableemail": false,
-            "emailoverride": "",
-            "keepnr": 10,
-            "inputs": {
-                "nixpkgs": { "type": "git", "value": "git://github.com/NixOS/nixpkgs nixos-19.03", "emailresponsible": false },
-                "heavyx": { "type": "git", "value": "https://git.m-labs.hk/M-Labs/HeavyX.git", "emailresponsible": false }
-            }
-        }
-    }
-    EOF
-    '';
-}