1 files changed, 0 insertions, 1 deletions
diff --git a/lib/lists.nix b/lib/lists.nix
index 231c2317c0c..288882924ff 100644
--- a/lib/lists.nix
+++ b/lib/lists.nix
@@ -64,7 +64,6 @@ rec {
   */
   foldl = op: nul: list:
     let
-      len = length list;
       foldl' = n:
         if n == -1
         then nul