diff --git a/nixos/git/home.nix b/nixos/git/home.nix
index b5ac358f..c6b694c2 100644
--- a/nixos/git/home.nix
+++ b/nixos/git/home.nix
@@ -15,9 +15,6 @@
       colour.ui = true;
       credential = { helper = "cache"; };
       diff.algorithm = "histogram";
-      diff.external = "${
-          inputs.nixpkgs-nixos-unstable.legacyPackages."x86_64-linux".difftastic
-        }/bin/difft $LOCAL $REMOTE";
       diff.renameLimit = 2048;
       diff.renames = "copy";
       help.autocorrect = 1;