diff --git a/include/led_stub.h b/include/led_stub.h
index f45cd6b..87ce4cd 100644
--- a/include/led_stub.h
+++ b/include/led_stub.h
@@ -35,8 +35,6 @@ private:
     bool initialized;
     uint32_t activity_off_time = 0;
     uint8_t saved_r = 0, saved_g = 0, saved_b = 0;
-    uint8_t sysex_saved_r[10] = {0}, sysex_saved_g[10] = {0}, sysex_saved_b[10] = {0};
-    bool sysex_flash_active = false;
     uint32_t heartbeat_time = 0;
     uint8_t heartbeat_phase = 0;
     
diff --git a/src/led_stub.cpp b/src/led_stub.cpp
index b5e8a30..0420f3f 100644
--- a/src/led_stub.cpp
+++ b/src/led_stub.cpp
@@ -283,34 +283,6 @@ void DefaultLedStub::flash_activity() {
     activity_off_time = now + 50;
 }
 
-void DefaultLedStub::flash_sysex() {
-    if (!initialized || !mux_ptr) return;
-    
-    uint32_t now = millis();
-    
-    // Save all LED states
-    for (int i = 0; i < NUM_LEDS; i++) {
-        if (led_states[i].active) {
-            uint32_t color = launchpad_palette[led_states[i].velocity];
-            sysex_saved_r[i] = (color >> 16) & 0xFF;
-            sysex_saved_g[i] = (color >> 8) & 0xFF;
-            sysex_saved_b[i] = color & 0xFF;
-        } else {
-            sysex_saved_r[i] = 0;
-            sysex_saved_g[i] = 0;
-            sysex_saved_b[i] = 0;
-        }
-    }
-    
-    // Flash ALL LEDs white
-    for (int i = 0; i < NUM_LEDS; i++) {
-        mux_ptr->set_led_color(i, 255, 255, 255);
-    }
-    mux_ptr->show();
-    activity_off_time = now + 200;
-    sysex_flash_active = true;
-}
-
 void DefaultLedStub::update() {
     if (!initialized || !mux_ptr) return;
 
@@ -345,50 +317,3 @@ void DefaultLedStub::update() {
         if (heartbeat_phase > 200) heartbeat_phase = 0;
     }
 }
-
-void DefaultLedStub::flash_all(uint8_t r, uint8_t g, uint8_t b, uint16_t duration) {
-    if (!initialized || !mux_ptr) return;
-    
-    // Save all LED states
-    for (int i = 0; i < NUM_LEDS; i++) {
-        if (led_states[i].active) {
-            uint32_t color = launchpad_palette[led_states[i].velocity];
-            sysex_saved_r[i] = (color >> 16) & 0xFF;
-            sysex_saved_g[i] = (color >> 8) & 0xFF;
-            sysex_saved_b[i] = color & 0xFF;
-        } else {
-            sysex_saved_r[i] = 0;
-            sysex_saved_g[i] = 0;
-            sysex_saved_b[i] = 0;
-        }
-    }
-    
-    for (int i = 0; i < NUM_LEDS; i++) {
-        mux_ptr->set_led_color(i, r, g, b);
-    }
-    mux_ptr->show();
-    activity_off_time = millis() + duration;
-    sysex_flash_active = true;
-}
-
-void DefaultLedStub::flash_one(uint8_t index, uint8_t r, uint8_t g, uint8_t b, uint16_t duration) {
-    if (!initialized || !mux_ptr) return;
-    if (index >= NUM_LEDS) return;
-    
-    // Save only this LED's state
-    if (led_states[index].active) {
-        uint32_t color = launchpad_palette[led_states[index].velocity];
-        saved_r = (color >> 16) & 0xFF;
-        saved_g = (color >> 8) & 0xFF;
-        saved_b = color & 0xFF;
-    } else {
-        saved_r = 0;
-        saved_g = 0;
-        saved_b = 0;
-    }
-    
-    mux_ptr->set_led_color(index, r, g, b);
-    mux_ptr->show();
-    activity_off_time = millis() + duration;
-    sysex_flash_active = false;
-}