diff --git a/src/openvic-simulation/map/MapDefinition.hpp b/src/openvic-simulation/map/MapDefinition.hpp
index e6841d1d..e7499f49 100644
--- a/src/openvic-simulation/map/MapDefinition.hpp
+++ b/src/openvic-simulation/map/MapDefinition.hpp
@@ -18,8 +18,6 @@
 #include "openvic-simulation/utility/Containers.hpp"
 
 namespace OpenVic {
-	namespace fs = std::filesystem;
-
 	struct BuildingTypeManager;
 	struct ModifierManager;