diff --git a/src/utils/PugsUtils.hpp b/src/utils/PugsUtils.hpp
index 7429a75b3be20ec3d62028cc9180a2017f7b4f15..91267a2af92928084ce07e1021baf6336e8a8f98 100644
--- a/src/utils/PugsUtils.hpp
+++ b/src/utils/PugsUtils.hpp
@@ -4,7 +4,6 @@
 #include <Kokkos_Core.hpp>
 #include <utils/PugsMacros.hpp>
 
-#include <functional>
 #include <string>
 
 template <typename FunctionType>