diff --git a/flake.nix b/flake.nix
index 398e8b2ea54..07e2bc6c0d5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,7 +91,6 @@
         nativeBuildDeps =
           [
             buildPackages.bison
-            buildPackages.clang-tools
             buildPackages.flex
             (lib.getBin buildPackages.lowdown-nix)
             buildPackages.mdbook
@@ -681,7 +680,7 @@
             outputs = [ "out" "dev" "doc" ];
 
             nativeBuildInputs = nativeBuildDeps;
-            buildInputs = buildDeps ++ propagatedDeps ++ awsDeps;
+            buildInputs = buildDeps ++ propagatedDeps ++ awsDeps ++ [ buildPackages.clang-tools ];
 
             inherit configureFlags;