diff --git a/nix/shell.nix b/nix/shell.nix
index 304d5700..c3c816b9 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -4,7 +4,6 @@
   rustfmt,
   clippy,
   cargo,
-  gcc,
   openssl,
   pkg-config,
   rustc,
@@ -12,15 +11,13 @@
 mkShell {
   name = "mrc";
   packages = [
-    rust-analyzer
-    rustfmt
-    clippy
     cargo
-    gcc
-    clippy
-    rustfmt
     rustc
 
+    rust-analyzer
+    clippy
+    (rustfmt.override {asNightly = true;})
+
     # For TLS and friends
     openssl
     pkg-config