diff --git a/docs/mk-site.nix b/docs/mk-site.nix
index 312202d..c3253a5 100644
--- a/docs/mk-site.nix
+++ b/docs/mk-site.nix
@@ -1,5 +1,4 @@
 {
-  lib,
   stdenvNoCC,
   writeShellApplication,
   mdbook,