From 37807b05636ccfae05d334ef4ecc7530a45ea026 Mon Sep 17 00:00:00 2001
From: Anand Thakker <github@anandthakker.net>
Date: Fri, 15 Jun 2018 16:37:16 -0400
Subject: Fixup

---
 include/mbgl/actor/actor.hpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/mbgl/actor/actor.hpp b/include/mbgl/actor/actor.hpp
index f87f191b73..4d8c0ab404 100644
--- a/include/mbgl/actor/actor.hpp
+++ b/include/mbgl/actor/actor.hpp
@@ -8,14 +8,10 @@
 #include <memory>
 #include <future>
 #include <type_traits>
+#include <cassert>
 
 namespace mbgl {
 
-namespace util {
-    template <typename O>
-    class Thread;
-}
-
 /*
     An `Actor<O>` is an owning reference to an asynchronous object of type `O`: an "actor".
     Communication with an actor happens via message passing: you send a message to the object
-- 
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