diff --git a/dune b/dune
index 7fa05d513d..292467727b 100644
--- a/dune
+++ b/dune
@@ -4,10 +4,7 @@
    (:standard -w +a-4-40-41-42-44-48-58-66-70))
   (binaries
    (tools/node_wrapper.exe as node)
-   (tools/node_wrapper.exe as node.exe))
-  (wasm_of_ocaml
-   (flags
-    (:standard --enable use-js-string))))
+   (tools/node_wrapper.exe as node.exe)))
  (with-effects
   (js_of_ocaml
    (compilation_mode separate)