diff --git a/include/billy_objects.hpp b/include/billy_objects.hpp
index c675a52..f20b9ec 100644
--- a/include/billy_objects.hpp
+++ b/include/billy_objects.hpp
@@ -46,9 +46,13 @@ namespace character {
 
         static std::string_view billy_object_to_string(const billyObjects &object) noexcept;
 
-        static void to_json(json &j, const container &billy);
+        static void to_json(json &j, const BillyObjects::container &billy);
 
-        static void from_json(const json &j, container &billy);
+        static void from_json(const json &j, BillyObjects::container &billy);
+
+        BillyObjects() noexcept = default;
+
+        ~BillyObjects() noexcept = default;
 
         [[nodiscard]] bool insert_object(CharacterSheet &sheet, const billyEnums objType) noexcept;
 
diff --git a/src/billy_objects.cpp b/src/billy_objects.cpp
index e737294..d1eb30d 100644
--- a/src/billy_objects.cpp
+++ b/src/billy_objects.cpp
@@ -3,7 +3,7 @@
 #include "character_sheet.hpp"
 #include <nlohmann/json.hpp>
 
-constexpr std::uint32_t const_hash(const char *input) {
+std::uint32_t constexpr const_hash(const char *input) {
     return *input ? static_cast<unsigned int>(*input) + 33 * const_hash(input + 1) : 5381;
 }
 
@@ -104,7 +104,7 @@ namespace character {
         return object->to_string();
     }
 
-    void BillyObjects::from_json(const json &j, container &billy) {
+    void BillyObjects::from_json(const json &j, BillyObjects::container &billy) {
         for (const auto &element: j) {
             const std::uint32_t key = element[0].get<std::uint32_t>();
             const std::uint8_t value = element[1].get<std::uint8_t>();
@@ -119,13 +119,11 @@ namespace character {
                 case toolsHash:
                     billy.emplace(static_cast<tools>(value), std::make_unique<Tools>(static_cast<tools>(value)));
                     break;
-                default:
-                    throw std::logic_error("Wrong hash for from_json in BillyObjects::from_json");
             }
         }
     }
 
-    void BillyObjects::to_json(json &j, const container &billy) {
+    void BillyObjects::to_json(json &j, const BillyObjects::container &billy) {
         for (const auto &[object_type, _]: billy) {
             std::visit(overloaded{
                     [&j](const weapons weapon) {