diff --git a/bmc/test/triggerable_mock.hpp b/bmc/test/triggerable_mock.hpp
index 0db90ee..4ae4463 100644
--- a/bmc/test/triggerable_mock.hpp
+++ b/bmc/test/triggerable_mock.hpp
@@ -22,9 +22,6 @@
     using TriggerableActionInterface::cb;
 };
 
-std::unique_ptr<TriggerableActionInterface> CreateTriggerMock()
-{
-    return std::make_unique<TriggerMock>();
-}
+std::unique_ptr<TriggerableActionInterface> CreateTriggerMock();
 
 } // namespace ipmi_flash