diff --git a/firmware-demo/src/letris_splash.h b/firmware-demo/src/letris_splash.h
index a3ce2710..2213b44c 100644
--- a/firmware-demo/src/letris_splash.h
+++ b/firmware-demo/src/letris_splash.h
@@ -1,4 +1,4 @@
-// This file was generated automatically. Do not edit.
+// This is a generated file, do not edit.
 // clang-format off
 #include <stdint.h>
 const uint16_t letris_splash_width = 240;
diff --git a/firmware-test/Makefile b/firmware-test/Makefile
deleted file mode 100644
index c4f5e68e..00000000
--- a/firmware-test/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-ENV ?= esp32c3
-
-all:
-	pio -f -c vim run -e $(ENV)
-
-upload-usb:
-	pio -f -c vim run --target upload -e $(ENV)
-
-clean:
-	pio -f -c vim run --target clean -e $(ENV)
-
-program:
-	pio -f -c vim run --target program -e $(ENV)
-
-update:
-	pio -f -c vim update
-
-compile_commands:
-	pio run -t compiledb -e $(ENV)
-
-uploadfs:
-	pio run -t uploadfs
diff --git a/firmware-test/platformio.ini b/firmware-test/platformio.ini
deleted file mode 100644
index c4dc2247..00000000
--- a/firmware-test/platformio.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-; PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-
-[env:esp32c3]
-platform = espressif32
-board = adafruit_qtpy_esp32c3
-framework = arduino
diff --git a/firmware-test/src/main.cpp b/firmware-test/src/main.cpp
deleted file mode 100644
index f8ddd29b..00000000
--- a/firmware-test/src/main.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <SD.h>
-
-#define SD_SCK 0
-#define SD_MISO 8
-#define SD_MOSI 1
-#define SD_SS 20
-
-#define DBG_PIN 5
-
-#define INTERNAL_TRANSACTION_SPEED 40000000 // 40 MHz
-
-void debugMark() {
-    delay(5);
-    digitalWrite(DBG_PIN, HIGH);
-    delay(5);
-    digitalWrite(DBG_PIN, LOW);
-    delay(5);
-}
-
-void setup() {
-    Serial.begin(115200);
-    SPI.begin(SD_SCK, SD_MISO, SD_MOSI);
-    pinMode(DBG_PIN, OUTPUT);
-    digitalWrite(5, LOW);
-
-    delay(2000);
-
-    // Init SD card
-    Serial.print("Initializing SD card... ");
-    if (!SD.begin(SD_SS)) {
-        Serial.println("FAILED!");
-        return;
-    }
-    Serial.println("OK.");
-
-    // Read file
-    File f = SD.open("/foo.txt");
-    if (f) {
-        Serial.println("foo.txt: " + f.readString());
-        f.close();
-    }
-
-    debugMark();
-
-    // Start internal transaction
-    // for (int i = 0; i < 256; i++) {
-    SPI.beginTransaction(SPISettings(INTERNAL_TRANSACTION_SPEED, MSBFIRST, SPI_MODE3));
-    // SPI.write(i);
-    SPI.endTransaction();
-    // }
-
-    debugMark();
-
-    // SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
-    // SPI.write(0);
-    // SPI.endTransaction();
-
-    // Read file again
-    f = SD.open("/foo.txt");
-    if (f) {
-        Serial.println("foo.txt: " + f.readString());
-        f.close();
-    }
-}
-
-void loop() {}
diff --git a/lib/lilka/src/lilka/icons/file.h b/lib/lilka/src/lilka/icons/file.h
index 2a515180..ab39df31 100644
--- a/lib/lilka/src/lilka/icons/file.h
+++ b/lib/lilka/src/lilka/icons/file.h
@@ -1,4 +1,4 @@
-// This file was generated automatically. Do not edit.
+// This is a generated file, do not edit.
 // clang-format off
 #include <stdint.h>
 const uint16_t file_width = 24;
diff --git a/lib/lilka/src/lilka/icons/folder.h b/lib/lilka/src/lilka/icons/folder.h
index 24eba07c..29b2cafb 100644
--- a/lib/lilka/src/lilka/icons/folder.h
+++ b/lib/lilka/src/lilka/icons/folder.h
@@ -1,4 +1,4 @@
-// This file was generated automatically. Do not edit.
+// This is a generated file, do not edit.
 // clang-format off
 #include <stdint.h>
 const uint16_t folder_width = 24;
diff --git a/lib/lilka/src/lilka/icons/nes.h b/lib/lilka/src/lilka/icons/nes.h
index 681488ef..d52de7d2 100644
--- a/lib/lilka/src/lilka/icons/nes.h
+++ b/lib/lilka/src/lilka/icons/nes.h
@@ -1,4 +1,4 @@
-// This file was generated automatically. Do not edit.
+// This is a generated file, do not edit.
 // clang-format off
 #include <stdint.h>
 const uint16_t nes_width = 24;
diff --git a/lib/lilka/src/lilka/splash.h b/lib/lilka/src/lilka/splash.h
index a23a5666..52218ecb 100644
--- a/lib/lilka/src/lilka/splash.h
+++ b/lib/lilka/src/lilka/splash.h
@@ -1,4 +1,4 @@
-// This file was generated automatically. Do not edit.
+// This is a generated file, do not edit.
 // clang-format off
 #include <stdint.h>
 const uint16_t splash_width = 240;
diff --git a/tools/image2code/image2code.py b/tools/image2code/image2code.py
index 939c550f..7c493d89 100755
--- a/tools/image2code/image2code.py
+++ b/tools/image2code/image2code.py
@@ -39,7 +39,7 @@
 
 with open(out, "w") as f:
     print(f"Записуємо {len(pixels)} пікселів у {out}... ", end="")
-    print("// This file was generated automatically. Do not edit.", file=f)
+    print("// This is a generated file, do not edit.", file=f)
     print("// clang-format off", file=f)
     print(f"#include <stdint.h>", file=f)
     print(f"const uint16_t {var_name}_width = {img.width};", file=f)