diff --git a/include/pixel_stomp_mux.h b/include/pixel_stomp_mux.h
index 1959f26..63ca6d2 100644
--- a/include/pixel_stomp_mux.h
+++ b/include/pixel_stomp_mux.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#define FASTLED_USES_ESP32S3_I2S
 #include <cstdint>
 #include <FastLED.h>
 
diff --git a/src/led_stub.cpp b/src/led_stub.cpp
index 6efdb65..ef46eff 100644
--- a/src/led_stub.cpp
+++ b/src/led_stub.cpp
@@ -19,7 +19,7 @@ void DefaultLedStub::set_mux(PixelStompMux* mux) {
 }
 
 void DefaultLedStub::begin() {
-    Serial.println("[LED] Using WS2812C via PixelStomp MUX (NeoPixel)");
+    Serial.println("[LED] Using WS2812C via PixelStomp MUX (FastLED I2S)");
     initialized = true;
 
     if (!mux_ptr) {
diff --git a/src/main.cpp b/src/main.cpp
index 006bf2d..08bc0a6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,7 +3,6 @@
 
 #include <Arduino.h>
 #include <driver/gpio.h>
-#include <driver/rmt.h>
 #include <esp_rom_sys.h>
 #include "midi_transport.h"
 #include "pixel_stomp_mux.h"
@@ -125,7 +124,6 @@ void handle_serial_command(const String& cmd) {
         Serial.println("  pixel0/pixel1 - single pixel test");
         Serial.println("  gpiotest - raw GPIO pin diagnostic");
         Serial.println("  rawled   - bit-bang WS2812 (no library)");
-        Serial.println("  rmtled   - RMT WS2812 direct (ESP-IDF)");
         Serial.println("  anim     - re-run startup animation from loop");
     } else if (cmd == "anim") {
         Serial.println("[CMD] Running animation...");
@@ -141,55 +139,6 @@ void handle_serial_command(const String& cmd) {
         }
         mux.clear_all();
         Serial.println("[CMD] Animation done");
-    } else if (cmd == "rmtled") {
-        Serial.println("[CMD] RMT WS2812: pixel 0 = RED on GPIO 9");
-        uint8_t pin = 9;
-        uint8_t grb[] = {0x00, 0xFF, 0x00};
-        rmt_channel_t ch = RMT_CHANNEL_0;
-
-        rmt_config_t cfg = {
-            .rmt_mode = RMT_MODE_TX,
-            .channel = ch,
-            .gpio_num = (gpio_num_t)pin,
-            .clk_div = 8,
-            .mem_block_num = 1,
-            .flags = 0,
-            .tx_config = {
-                .carrier_freq_hz = 38000,
-                .carrier_level = RMT_CARRIER_LEVEL_HIGH,
-                .idle_level = RMT_IDLE_LEVEL_LOW,
-                .carrier_duty_percent = 33,
-                .carrier_en = false,
-                .loop_en = false,
-                .idle_output_en = true,
-            }
-        };
-        rmt_config(&cfg);
-        rmt_driver_install(ch, 0, 0);
-
-        rmt_item32_t items[25];
-        int idx = 0;
-        for (int b = 0; b < 3; b++) {
-            for (int bit = 7; bit >= 0; bit--) {
-                if (grb[b] & (1 << bit)) {
-                    items[idx].level0 = 1; items[idx].duration0 = 10;
-                    items[idx].level1 = 0; items[idx].duration1 = 10;
-                } else {
-                    items[idx].level0 = 1; items[idx].duration0 = 4;
-                    items[idx].level1 = 0; items[idx].duration1 = 12;
-                }
-                idx++;
-            }
-        }
-        items[idx].level0 = 0; items[idx].duration0 = 500;
-        items[idx].level1 = 0; items[idx].duration1 = 0;
-        idx++;
-
-        rmt_write_items(ch, items, idx, 1);
-        rmt_driver_uninstall(ch);
-        Serial.println("[CMD] RMT done. Wait 2 sec...");
-        delay(2000);
-        Serial.println("[CMD] Done");
     } else if (cmd == "rawled") {
         uint8_t pin = 9;
         Serial.println("[CMD] Bit-bang WS2812: pixel 0 = RED on GPIO 9");