diff --git a/src/openrct2/core/JobPool.hpp b/src/openrct2/core/JobPool.hpp
index f4a6f334ec..957a81412a 100644
--- a/src/openrct2/core/JobPool.hpp
+++ b/src/openrct2/core/JobPool.hpp
@@ -70,18 +70,13 @@ public:
         }
     }
 
-    void AddTask(std::function<void()> workFn, std::function<void()> completionFn)
+    void AddTask(std::function<void()> workFn, std::function<void()> completionFn = nullptr)
     {
         unique_lock lock(_mutex);
         _pending.emplace_back(workFn, completionFn);
         _condPending.notify_one();
     }
 
-    void AddTask(std::function<void()> workFn)
-    {
-        return AddTask(workFn, nullptr);
-    }
-
     void Join(std::function<void()> reportFn = nullptr)
     {
         unique_lock lock(_mutex);