diff --git a/src/app/gfx/bitmap.cc b/src/app/gfx/bitmap.cc
index 77ba011e..0fb0232e 100644
--- a/src/app/gfx/bitmap.cc
+++ b/src/app/gfx/bitmap.cc
@@ -211,18 +211,6 @@ Bitmap::Bitmap(int width, int height, int depth,
   SetPalette(palette);
 }
 
-void Bitmap::SaveSurfaceToFile(std::string_view filename) {
-  SDL_SaveBMP(surface_, filename.data());
-}
-
-void Bitmap::Initialize(int width, int height, int depth,
-                        std::span<uint8_t> &data) {
-  width_ = width;
-  height_ = height;
-  depth_ = depth;
-  data_ = std::vector<uint8_t>(data.begin(), data.end());
-}
-
 void Bitmap::Create(int width, int height, int depth, std::span<uint8_t> data) {
   data_ = std::vector<uint8_t>(data.begin(), data.end());
   Create(width, height, depth, data_);
@@ -314,14 +302,6 @@ void Bitmap::UpdateTextureData() {
   modified_ = false;
 }
 
-void Bitmap::CleanupUnusedTexture(uint64_t current_time, uint64_t timeout) {
-  if (texture_ && !texture_in_use_ &&
-      (current_time - last_used_time_ > timeout)) {
-    Arena::Get().FreeTexture(texture_);
-    texture_ = nullptr;
-  }
-}
-
 void Bitmap::SetPalette(const SnesPalette &palette) {
   if (surface_ == nullptr) {
     throw std::runtime_error("Surface is null. Palette not applied");
@@ -348,28 +328,6 @@ void Bitmap::SetPalette(const SnesPalette &palette) {
   SDL_LockSurface(surface_);
 }
 
-void Bitmap::SetPaletteFromPaletteGroup(const SnesPalette &palette,
-                                        int palette_id) {
-  auto start_index = palette_id * 8;
-  palette_ = palette.sub_palette(start_index, start_index + 8);
-  SDL_UnlockSurface(surface_);
-  for (size_t i = 0; i < palette_.size(); ++i) {
-    auto pal_color = palette_[i];
-    if (pal_color.is_transparent()) {
-      surface_->format->palette->colors[i].r = 0;
-      surface_->format->palette->colors[i].g = 0;
-      surface_->format->palette->colors[i].b = 0;
-      surface_->format->palette->colors[i].a = 0;
-    } else {
-      surface_->format->palette->colors[i].r = pal_color.rgb().x;
-      surface_->format->palette->colors[i].g = pal_color.rgb().y;
-      surface_->format->palette->colors[i].b = pal_color.rgb().z;
-      surface_->format->palette->colors[i].a = pal_color.rgb().w;
-    }
-  }
-  SDL_LockSurface(surface_);
-}
-
 void Bitmap::SetPaletteWithTransparent(const SnesPalette &palette, size_t index,
                                        int length) {
   if (index < 0 || index >= palette.size()) {
@@ -480,26 +438,6 @@ void Bitmap::Get16x16Tile(int tile_x, int tile_y,
   }
 }
 
-void Bitmap::Cleanup() {
-  if (texture_) {
-    Arena::Get().FreeTexture(texture_);
-    texture_ = nullptr;
-  }
-  active_ = false;
-  width_ = 0;
-  height_ = 0;
-  depth_ = 0;
-  data_size_ = 0;
-  palette_.clear();
-}
-
-void Bitmap::Clear() {
-  Cleanup();
-  data_.clear();
-  pixel_data_ = nullptr;
-  texture_pixels = nullptr;
-}
-
 #if YAZE_LIB_PNG == 1
 std::vector<uint8_t> Bitmap::GetPngData() {
   std::vector<uint8_t> png_data;
diff --git a/src/app/gfx/bitmap.h b/src/app/gfx/bitmap.h
index 23a540cc..dab4f992 100644
--- a/src/app/gfx/bitmap.h
+++ b/src/app/gfx/bitmap.h
@@ -4,7 +4,6 @@
 #include <SDL.h>
 
 #include <cstdint>
-#include <memory>
 #include <span>
 #include <string_view>
 #include <vector>
@@ -78,11 +77,6 @@ class Bitmap {
   Bitmap(int width, int height, int depth, const std::vector<uint8_t> &data,
          const SnesPalette &palette);
 
-  /**
-   * @brief Initialize the bitmap with the given dimensions and data
-   */
-  void Initialize(int width, int height, int depth, std::span<uint8_t> &data);
-
   /**
    * @brief Create a bitmap with the given dimensions and data
    */
@@ -105,11 +99,6 @@ class Bitmap {
    */
   void Reformat(int format);
 
-  /**
-   * @brief Save the bitmap surface to a file
-   */
-  void SaveSurfaceToFile(std::string_view filename);
-
   /**
    * @brief Creates the underlying SDL_Texture to be displayed.
    */
@@ -125,12 +114,6 @@ class Bitmap {
    */
   void UpdateTextureData();
 
-  /**
-   * @brief Clean up unused textures after a timeout
-   */
-  void CleanupUnusedTexture(uint64_t current_time, uint64_t timeout);
-
-  // Palette management
   /**
    * @brief Set the palette for the bitmap
    */
@@ -142,11 +125,6 @@ class Bitmap {
   void SetPaletteWithTransparent(const SnesPalette &palette, size_t index,
                                  int length = 7);
 
-  /**
-   * @brief Set the palette from a palette group
-   */
-  void SetPaletteFromPaletteGroup(const SnesPalette &palette, int palette_id);
-
   /**
    * @brief Set the palette using SDL colors
    */
@@ -162,7 +140,6 @@ class Bitmap {
    */
   void WriteColor(int position, const ImVec4 &color);
 
-  // Tile operations
   /**
    * @brief Extract an 8x8 tile from the bitmap
    */
@@ -175,16 +152,6 @@ class Bitmap {
   void Get16x16Tile(int tile_x, int tile_y, std::vector<uint8_t> &tile_data,
                     int &tile_data_offset);
 
-  /**
-   * @brief Clean up the bitmap resources
-   */
-  void Cleanup();
-
-  /**
-   * @brief Clear the bitmap data
-   */
-  void Clear();
-
   const SnesPalette &palette() const { return palette_; }
   SnesPalette *mutable_palette() { return &palette_; }
   int width() const { return width_; }