diff --git a/nixos/packages/default.pkgs.nix b/nixos/packages/default.pkgs.nix
index 5c6cbd8..b4a8c9c 100644
--- a/nixos/packages/default.pkgs.nix
+++ b/nixos/packages/default.pkgs.nix
@@ -159,11 +159,8 @@ with pkgs;
   # Development.
   colmena
   rustup
-  rustfmt
-  cargo
   clang
   clang-tools
-  rust-analyzer
   flatbuffers
   nextpnr
   yosys
diff --git a/nixos/packages/offline.pkgs.nix b/nixos/packages/offline.pkgs.nix
index e782929..f722b74 100644
--- a/nixos/packages/offline.pkgs.nix
+++ b/nixos/packages/offline.pkgs.nix
@@ -17,7 +17,6 @@ with pkgs;
   act
   go
   rustc
-  cargo
   bundix
   typescript
   clang