diff --git a/include/cpprealm/internal/networking/utils.hpp b/include/cpprealm/internal/networking/utils.hpp
index 4da834f1..9cb9be8c 100644
--- a/include/cpprealm/internal/networking/utils.hpp
+++ b/include/cpprealm/internal/networking/utils.hpp
@@ -40,9 +40,6 @@ namespace realm {
 
 namespace realm::internal::networking {
     ::realm::networking::request to_request(const ::realm::app::Request&);
-//    ::realm::app::Request to_core_request(const ::realm::networking::request&);
-
-//    ::realm::networking::response to_response(const ::realm::app::Response&);
     ::realm::app::Response to_core_response(const ::realm::networking::response&);
 
     ::realm::sync::WebSocketEndpoint to_core_websocket_endpoint(const ::realm::networking::sync_socket_provider::websocket_endpoint& ep,
diff --git a/include/cpprealm/networking/http.hpp b/include/cpprealm/networking/http.hpp
index f192f8c4..5352befd 100644
--- a/include/cpprealm/networking/http.hpp
+++ b/include/cpprealm/networking/http.hpp
@@ -26,6 +26,8 @@
 #include <cpprealm/version_numbers.hpp>
 #endif
 
+#include <optional>
+
 namespace realm::networking {
 
     // Interface for providing http transport
diff --git a/include/cpprealm/networking/networking.hpp b/include/cpprealm/networking/networking.hpp
index e04d5f73..822d0294 100644
--- a/include/cpprealm/networking/networking.hpp
+++ b/include/cpprealm/networking/networking.hpp
@@ -19,6 +19,7 @@
 #ifndef CPPREALM_NETWORKING_HPP
 #define CPPREALM_NETWORKING_HPP
 
+#include <optional>
 #include <map>
 #include <string>
 
diff --git a/include/cpprealm/networking/websocket.hpp b/include/cpprealm/networking/websocket.hpp
index b716eed9..04816d39 100644
--- a/include/cpprealm/networking/websocket.hpp
+++ b/include/cpprealm/networking/websocket.hpp
@@ -28,6 +28,7 @@
 #endif
 
 #include <chrono>
+#include <optional>
 
 namespace realm {
     namespace sync {