diff --git a/Libraries/LibCore/ThreadedPromise.h b/Libraries/LibCore/ThreadedPromise.h
index 48d0cdffa77..0910457f54d 100644
--- a/Libraries/LibCore/ThreadedPromise.h
+++ b/Libraries/LibCore/ThreadedPromise.h
@@ -179,10 +179,6 @@ private:
     }
 
     ThreadedPromise() = default;
-    ThreadedPromise(EventReceiver* parent)
-        : EventReceiver(parent)
-    {
-    }
 
     Function<ErrorOr<void>(ResultType&&)> m_resolution_handler;
     Function<void(ErrorType&&)> m_rejection_handler;