diff --git a/nix/shell.nix b/nix/shell.nix
index 32038c1d3b..3b22729c1b 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -17,7 +17,6 @@ let
     ammonite
     auth0-cli
     bc
-    cabal2nix
     canton
     circleci-cli
     curl
diff --git a/nix/vectors.nix b/nix/vectors.nix
deleted file mode 100644
index 4f296b0362..0000000000
--- a/nix/vectors.nix
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  lib,
-  buildPythonPackage,
-  fetchPypi,
-  cryptography,
-  flit-core,
-}:
-
-buildPythonPackage rec {
-  pname = "cryptography-vectors";
-  # The test vectors must have the same version as the cryptography package
-  inherit (cryptography) version;
-  pyproject = true;
-
-  src = fetchPypi {
-    pname = "cryptography_vectors";
-    inherit version;
-    hash = "sha256-aKD8GP4nswnpM6KTpU8zVreKFMFSB+lsn/hWga8FCd4=";
-  };
-
-  nativeBuildInputs = [ flit-core ];
-
-  # No tests included
-  doCheck = false;
-
-  pythonImportsCheck = [ "cryptography_vectors" ];
-
-  meta = with lib; {
-    description = "Test vectors for the cryptography package";
-    homepage = "https://cryptography.io/en/latest/development/test-vectors/";
-    downloadPage = "https://github.com/pyca/cryptography/tree/master/vectors";
-    license = with licenses; [
-      asl20
-      bsd3
-    ];
-    maintainers = with maintainers; [ SuperSandro2000 ];
-  };
-}