diff --git a/src/Main.cpp b/src/Main.cpp
index 8a986b2..4a550f9 100644
--- a/src/Main.cpp
+++ b/src/Main.cpp
@@ -14,7 +14,7 @@
 // #include "Screens/Gameplay.hpp"
 // #include "Screens/Result.hpp"
 
-int main(int argc, char const *argv[]) {
+int main(int, char const **) {
 
     Data::Preferences preferences;
     auto markers = Resources::load_markers();
diff --git a/src/Resources/Marker.cpp b/src/Resources/Marker.cpp
index 76a91b9..7375300 100644
--- a/src/Resources/Marker.cpp
+++ b/src/Resources/Marker.cpp
@@ -9,6 +9,8 @@
 
 #include <cereal/archives/json.hpp>
 
+namespace fs = ghc::filesystem;
+
 namespace Resources {
 
     Marker::Marker(const fs::path& marker_folder) :
@@ -184,21 +186,25 @@ namespace Resources {
 
     Markers load_markers() {
         Markers res;
-        for (auto& p : fs::directory_iterator("markers")) {
-            if (p.is_directory()) {
-                try {
-                    Marker m{p.path()};
-                    res.emplace(m.m_metadata.name, m);
-                } catch (const std::exception& e) {
-                    std::cerr << "Unable to load marker folder "
-                    << p.path().string() << " : "
-                    << e.what() << std::endl;
+        if (fs::exists(fs::path("markers"))) {
+            for (auto& p : fs::directory_iterator("markers")) {
+                if (p.is_directory()) {
+                    try {
+                        Marker m{p.path()};
+                        res.emplace(m.m_metadata.name, m);
+                    } catch (const std::exception& e) {
+                        std::cerr << "Unable to load marker folder "
+                        << p.path().string() << " : "
+                        << e.what() << std::endl;
+                    }
                 }
             }
         }
+        /*
         if (res.empty()) {
             throw std::runtime_error("No markers found in marker folder, jujube needs at least one to operate");
         }
+        */
         return res;
     }
 }
diff --git a/src/Resources/Marker.hpp b/src/Resources/Marker.hpp
index 2b2dd49..3b62c72 100644
--- a/src/Resources/Marker.hpp
+++ b/src/Resources/Marker.hpp
@@ -7,17 +7,7 @@
 #include <ghc/filesystem.hpp>
 #include <SFML/Graphics.hpp>
 
-namespace fs = ghc::filesystem;
-
-template <class Archive>
-std::string save_minimal(const Archive &, ghc::filesystem::path& p) {
-    return p.string();
-}
-
-template <class Archive>
-void load_minimal(const Archive &, ghc::filesystem::path& p, const std::string& value) {
-    p = fs::path{value};
-}
+#include "../Toolkit/ExtraCerealTypes/GHCFilesystemPath.hpp"
 
 namespace Resources {
     enum class MarkerAnimation {
@@ -75,7 +65,7 @@ namespace Resources {
     };
 
     struct Marker {
-        Marker(const fs::path& marker_folder);
+        Marker(const ghc::filesystem::path& marker_folder);
         std::optional<sf::Sprite> get_sprite(const MarkerAnimation& state, const float& seconds);
         std::optional<sf::Sprite> get_sprite(const MarkerAnimation& state, const std::size_t frame);
         void load_and_check(sf::Texture& spritesheet, const MarkerAnimationMetadata& metadata);
diff --git a/src/Screens/MusicSelect/MusicSelect.cpp b/src/Screens/MusicSelect/MusicSelect.cpp
index 996a69c..3e0dc34 100644
--- a/src/Screens/MusicSelect/MusicSelect.cpp
+++ b/src/Screens/MusicSelect/MusicSelect.cpp
@@ -101,7 +101,7 @@ void MusicSelect::Screen::handle_key_press(const sf::Event::KeyEvent& key_event)
     }
 }
 
-void MusicSelect::Screen::handle_mouse_click(const sf::Event::MouseButtonEvent& mouse_button_event) {
+void MusicSelect::Screen::handle_mouse_click(const sf::Event::MouseButtonEvent& /*mouse_button_event*/) {
     /*
     if (mouse_button_event.button == sf::Mouse::Left) {
         int clicked_panel_index = (mouse_button_event.x / m_panel_size) + 4 * (mouse_button_event.y / m_panel_size);
diff --git a/src/Screens/MusicSelect/Panel.cpp b/src/Screens/MusicSelect/Panel.cpp
index 240b831..f6b2027 100644
--- a/src/Screens/MusicSelect/Panel.cpp
+++ b/src/Screens/MusicSelect/Panel.cpp
@@ -47,7 +47,6 @@ namespace MusicSelect {
             static_cast<unsigned int>(get_size()*0.1f)
         };
         category_label.setFillColor(sf::Color::White);
-        auto bounds = category_label.getLocalBounds();
         category_label.setPosition(get_size()*0.1f, get_size()*0.1f);
         target.draw(category_label, states);
 
@@ -66,7 +65,7 @@ namespace MusicSelect {
         target.draw(label_text, states);
     }
 
-    void SongPanel::click(MusicSelectRibbon& ribbon, const Data::Button& button) {
+    void SongPanel::click(Ribbon&, const Data::Button&) {
         if (selected_chart.has_value()) {
             // The song was already selected : look for the next chart in order
             auto it = m_song->chart_levels.upper_bound(*selected_chart);
diff --git a/src/Screens/MusicSelect/Panel.hpp b/src/Screens/MusicSelect/Panel.hpp
index 695d5b0..8dc3e7b 100644
--- a/src/Screens/MusicSelect/Panel.hpp
+++ b/src/Screens/MusicSelect/Panel.hpp
@@ -30,15 +30,15 @@ namespace MusicSelect {
     class EmptyPanel final : public Panel {
     public:
         using Panel::Panel;
-        void click(Ribbon& ribbon, const Data::Button& button) override {return;};
+        void click(Ribbon&, const Data::Button&) override {return;};
     private:
-        void draw(sf::RenderTarget& target, sf::RenderStates states) const override {return;};
+        void draw(sf::RenderTarget&, sf::RenderStates) const override {return;};
     };
 
     class ColoredMessagePanel final : public Panel {
     public:
         ColoredMessagePanel(SharedResources& resources, const sf::Color& color, const std::string& message) : Panel(resources), m_color(color), m_message(message) {};
-        void click(Ribbon& ribbon, const Data::Button& button) override {return;};
+        void click(Ribbon&, const Data::Button&) override {return;};
     private:
         void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
         const sf::Color m_color;
@@ -48,7 +48,7 @@ namespace MusicSelect {
     class ColorPanel final : public Panel {
     public:
         ColorPanel(SharedResources& resources, const sf::Color& t_color) : Panel(resources), m_color(t_color) {};
-        void click(Ribbon& ribbon, const Data::Button& button) override {return;};
+        void click(Ribbon&, const Data::Button&) override {return;};
     private:
         void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
         const sf::Color m_color;
diff --git a/src/Screens/MusicSelect/Ribbon.cpp b/src/Screens/MusicSelect/Ribbon.cpp
index e303ea4..a0bbbbe 100644
--- a/src/Screens/MusicSelect/Ribbon.cpp
+++ b/src/Screens/MusicSelect/Ribbon.cpp
@@ -117,7 +117,7 @@ namespace MusicSelect {
                 column.begin(),
                 column.end(),
                 [](jbcoe::polymorphic_value<Panel> panel) -> bool {
-                    return (std::dynamic_pointer_cast<CategoryPanel>(panel).get() != nullptr);
+                    return dynamic_cast<CategoryPanel*>(&*panel) != nullptr;
                 }
             )) {
                 found = true;
diff --git a/src/Screens/MusicSelect/SongInfo.cpp b/src/Screens/MusicSelect/SongInfo.cpp
index 944d4c0..3bcc9c9 100644
--- a/src/Screens/MusicSelect/SongInfo.cpp
+++ b/src/Screens/MusicSelect/SongInfo.cpp
@@ -91,7 +91,6 @@ namespace MusicSelect {
                 song_title_label.setScale(m_big_cover.get_size() / song_title_bounds.width, 1.0f);
             }
             song_title_label.setFillColor(sf::Color::White);
-            auto cover_pos = m_big_cover.getPosition();
             song_title_label.setPosition(
                 get_big_cover_x() - m_big_cover.get_size()/2.f,
                 get_big_cover_y() + m_big_cover.get_size() + 0.01f*get_screen_width()
@@ -114,7 +113,6 @@ namespace MusicSelect {
             }
             song_artist_label.setFillColor(sf::Color::White);
             song_artist_label.setFillColor(sf::Color::White);
-            auto cover_pos = m_big_cover.getPosition();
             song_artist_label.setPosition(
                 get_big_cover_x() - m_big_cover.get_size()/2.f,
                 get_big_cover_y() + m_big_cover.get_size() + 0.04f*get_screen_width()
diff --git a/src/Toolkit/HSL.cpp b/src/Toolkit/HSL.cpp
index 5509738..d427baf 100644
--- a/src/Toolkit/HSL.cpp
+++ b/src/Toolkit/HSL.cpp
@@ -107,7 +107,8 @@ namespace Toolkit {
         G = C.g/255.0;
         B = C.b/255.0;
         ///Casos no triviales.
-        double max, min, l, s;
+        double max, min, l;
+        double s = 0;
 
         ///Maximos
         max = std::max(std::max(R,G),B);