diff --git a/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix b/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix
index 8c8e4f9e5b4c..115424ac69c8 100644
--- a/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix
@@ -23,8 +23,6 @@ stdenv.mkDerivation rec {
       darcs-to-git
   '';
 
-  propagatedBuildInputs = [ ruby ];
-
   installPhase = ''
     install -vD darcs-to-git "$out/bin/darcs-to-git"
   '';