1 files changed, 1 insertions, 1 deletions
diff --git a/src/wasm-traversal.h b/src/wasm-traversal.h
index 388584fd6..eb91184e5 100644
--- a/src/wasm-traversal.h
+++ b/src/wasm-traversal.h
@@ -282,7 +282,7 @@ struct Walker : public VisitorType {
   // nested.
 
   // Tasks receive the this pointer and a pointer to the pointer to operate on
-  using TaskFunc = std::function<void(SubType*, Expression**)>;
+  typedef void (*TaskFunc)(SubType*, Expression**);
 
   struct Task {
     TaskFunc func;