diff --git a/pkgs/by-name/bo/bonsai/package.nix b/pkgs/by-name/bo/bonsai/package.nix
index 645b2598de00..98b19be7e6fc 100644
--- a/pkgs/by-name/bo/bonsai/package.nix
+++ b/pkgs/by-name/bo/bonsai/package.nix
@@ -3,7 +3,7 @@
   lib,
   fetchFromSourcehut,
   gitUpdater,
-  hare,
+  hareHook,
   hareThirdParty,
 }:
 
@@ -19,27 +19,17 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   nativeBuildInputs = [
-    hare
+    hareHook
     hareThirdParty.hare-ev
     hareThirdParty.hare-json
   ];
 
-  makeFlags = [
-    "PREFIX=${builtins.placeholder "out"}"
-    "HARECACHE=.harecache"
-    "HAREFLAGS=-qa${stdenv.hostPlatform.uname.processor}"
-  ];
+  makeFlags = [ "PREFIX=${builtins.placeholder "out"}" ];
 
   enableParallelBuilding = true;
 
   doCheck = true;
 
-  postPatch = ''
-    substituteInPlace Makefile \
-      --replace 'hare build' 'hare build $(HAREFLAGS)' \
-      --replace 'hare test' 'hare test $(HAREFLAGS)'
-  '';
-
   passthru.updateScript = gitUpdater { rev-prefix = "v"; };
 
   meta = with lib; {