diff --git a/src/sst/core/simulation.cc b/src/sst/core/simulation.cc
index 6b8fb939e..5042b2efd 100644
--- a/src/sst/core/simulation.cc
+++ b/src/sst/core/simulation.cc
@@ -41,7 +41,6 @@
 #include "sst/core/warnmacros.h"
 
 #include <cinttypes>
-#include <filesystem>
 #include <fstream>
 #include <iostream>
 #include <string>