diff --git a/pkgs/applications/editors/emacs-modes/melpa-packages.nix b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
index 3106336a48d6f8..a0482ef287495c 100644
--- a/pkgs/applications/editors/emacs-modes/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
@@ -60,9 +60,6 @@ self:
       # upstream issue: missing file header
       connection = markBroken super.connection;
 
-      # upstream issue: missing file header
-      crux = markBroken super.crux;
-
       # upstream issue: missing file header
       dictionary = markBroken super.dictionary;