diff --git a/pkgs/development/compilers/rust/rust-src.nix b/pkgs/development/compilers/rust/rust-src.nix
index 54691f5fdf0..489795ecec4 100644
--- a/pkgs/development/compilers/rust/rust-src.nix
+++ b/pkgs/development/compilers/rust/rust-src.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, rustc, minimalContent ? true }:
+{ stdenv, rustc, minimalContent ? true }:
 
 stdenv.mkDerivation {
   name = "rust-src";