diff --git a/pkgs/development/tools/analysis/hopper/default.nix b/pkgs/development/tools/analysis/hopper/default.nix
index 78be246eb87..8bb1c5d04f8 100644
--- a/pkgs/development/tools/analysis/hopper/default.nix
+++ b/pkgs/development/tools/analysis/hopper/default.nix
@@ -8,7 +8,6 @@
 , gmpxx
 , ncurses5
 , gnustep
-,
 }:
 stdenv.mkDerivation rec {
   pname = "hopper";