diff --git a/include/mbgl/util/uv_detail.hpp b/include/mbgl/util/uv_detail.hpp
index f1f9491b2..61a972c44 100644
--- a/include/mbgl/util/uv_detail.hpp
+++ b/include/mbgl/util/uv_detail.hpp
@@ -73,7 +73,6 @@ private:
 };
 
 class async : public mbgl::util::noncopyable {
-    friend class cond;
 public:
     inline async(uv_loop_t* loop, std::function<void ()> fn_)
         : fn(fn_) {