diff --git a/src/asgard_tools.hpp b/src/asgard_tools.hpp
index 0eac9dd73..3ac78e014 100644
--- a/src/asgard_tools.hpp
+++ b/src/asgard_tools.hpp
@@ -10,7 +10,6 @@
 #include <cstdint>
 #include <cstdio>
 #include <filesystem>
-#include <format>
 #include <fstream>
 #include <functional>
 #include <iomanip>