diff --git a/main.cpp b/main.cpp
index 4c7be0f..0c53af1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -151,21 +151,6 @@ void drawToggle(SDL_Renderer* renderer, int x, int y, int size, bool active) {
     SDL_RenderDrawLine(renderer, m_x + m_w, m_y, m_x + m_w, m_y + m_h); // Right leg
 }
 
-void drawSlider(SDL_Renderer* renderer, int x, int y, int w, int h, float val, const char* label) {
-    // Track
-    SDL_SetRenderDrawColor(renderer, 80, 80, 80, 255);
-    SDL_Rect track = {x + w/2 - 2, y, 4, h};
-    SDL_RenderFillRect(renderer, &track);
-
-    // Handle
-    int handleH = 10;
-    int handleY = y + h - (int)(val * h) - handleH/2;
-    SDL_SetRenderDrawColor(renderer, 200, 200, 200, 255);
-    SDL_Rect handle = {x, handleY, w, handleH};
-    SDL_RenderFillRect(renderer, &handle);
-    SDL_RenderDrawRect(renderer, &handle);
-}
-
 // --- Simple Vector Font ---
 void drawChar(SDL_Renderer* renderer, int x, int y, int size, char c) {
     int w = size * 0.6;
@@ -894,7 +879,6 @@ void loadPreset(int preset) {
         engine.grid[x+3][y].param = (ratio > 1.0f) ? 0.5f : 0.0f;
     };
 
-    int sinkX = SynthEngine::GRID_W / 2;
     int sinkY = SynthEngine::GRID_H - 1;
 
     if (preset == 1) {
@@ -1183,15 +1167,6 @@ int main(int argc, char* argv[]) {
                     engine.setVolume(knob_vol_val);
                 }
                 }
-            } else if (e.type == SDL_MOUSEMOTION) {
-                if (e.motion.state & SDL_BUTTON_LMASK) {
-                    int mouseX = e.motion.x;
-                    int mouseY = e.motion.y;
-                    
-                    if (mouseX >= GRID_PANEL_WIDTH) {
-                        int synthX = mouseX - GRID_PANEL_WIDTH;
-                    }
-                }
             } else if (e.type == SDL_KEYDOWN) {
                 if (e.key.repeat == 0) { // Ignore key repeats
                     if (e.key.keysym.scancode == SDL_SCANCODE_INSERT) {
diff --git a/synth_engine.cpp b/synth_engine.cpp
index 38794ff..10a5391 100644
--- a/synth_engine.cpp
+++ b/synth_engine.cpp
@@ -19,13 +19,13 @@ void fill_sine_table() {
 }
 
 SynthEngine::SynthEngine(uint32_t sampleRate)
-    : _sampleRate(sampleRate),
+    : grid{},
+      _sampleRate(sampleRate),
       _phase(0),
       _increment(0),
       _volume(0.5f),
       _waveform(SAWTOOTH),
       _isGateOpen(false),
-      grid{},
       _rngState(12345)
 {
     fill_sine_table();