diff --git a/include/aidge/utils/Registrar.hpp b/include/aidge/utils/Registrar.hpp
index a7214cdc61081978c74f6e172c2389ac82e51aa6..65ba636a50bd88e83fdfdcd3e05cc1ae77d2ef48 100644
--- a/include/aidge/utils/Registrar.hpp
+++ b/include/aidge/utils/Registrar.hpp
@@ -61,7 +61,7 @@ struct Registrar {
 
     Registrar(const registrar_key& key, registrar_type func) {
         //fmt::print("REGISTRAR: {}\n", key);
-        bool newInsert;
+        // bool newInsert;
         // std::tie(std::ignore, newInsert) = C::registry().insert(std::make_pair(key, func));
         C::registry().erase(key);
         C::registry().insert(std::make_pair(key, func));