diff --git a/src/Arduino_DataBus.h b/src/Arduino_DataBus.h
index 4f90886..e0e5bf1 100644
--- a/src/Arduino_DataBus.h
+++ b/src/Arduino_DataBus.h
@@ -143,7 +143,7 @@ typedef volatile ARDUINOGFX_PORT_t *PORTreg_t;
 #endif // !defined(LITTLE_FOOT_PRINT)
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #include <esp_lcd_panel_io.h>
 #include <esp_lcd_panel_io_interface.h>
 #include <esp_pm.h>
@@ -229,7 +229,7 @@ struct lcd_panel_io_i80_t
   } flags;
   lcd_i80_trans_descriptor_t trans_pool[]; // Transaction pool
 };
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
 
 typedef enum
diff --git a/src/databus/Arduino_ESP32LCD16.cpp b/src/databus/Arduino_ESP32LCD16.cpp
index ae2d413..95e3ca3 100644
--- a/src/databus/Arduino_ESP32LCD16.cpp
+++ b/src/databus/Arduino_ESP32LCD16.cpp
@@ -5,7 +5,7 @@
 #include "Arduino_ESP32LCD16.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #define WAIT_LCD_NOT_BUSY while (LCD_CAM.lcd_user.val & LCD_CAM_LCD_START)
 
@@ -594,5 +594,5 @@ GFX_INLINE void Arduino_ESP32LCD16::CS_LOW(void)
   }
 }
 
-#endif // #if defined(ESP_ARDUINO_VERSION_MAJOR) && (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32LCD16.h b/src/databus/Arduino_ESP32LCD16.h
index 1b3b7a6..6c382bf 100644
--- a/src/databus/Arduino_ESP32LCD16.h
+++ b/src/databus/Arduino_ESP32LCD16.h
@@ -1,14 +1,9 @@
-/*
- * start rewrite from:
- * https://github.com/lovyan03/LovyanGFX/blob/master/src/lgfx/v0/platforms/LGFX_PARALLEL_ESP32.hpp
- */
+#pragma once
+
 #include "Arduino_DataBus.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
-
-#ifndef _ARDUINO_ESP32LCD16_H_
-#define _ARDUINO_ESP32LCD16_H_
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #ifndef LCD_MAX_PIXELS_AT_ONCE
 #define LCD_MAX_PIXELS_AT_ONCE 2046
@@ -99,7 +94,5 @@ class Arduino_ESP32LCD16 : public Arduino_DataBus
   };
 };
 
-#endif // _ARDUINO_ESP32LCD16_H_
-
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32LCD8.cpp b/src/databus/Arduino_ESP32LCD8.cpp
index 6638ea6..fc1e090 100644
--- a/src/databus/Arduino_ESP32LCD8.cpp
+++ b/src/databus/Arduino_ESP32LCD8.cpp
@@ -5,7 +5,7 @@
 #include "Arduino_ESP32LCD8.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #define WAIT_LCD_NOT_BUSY while (LCD_CAM.lcd_user.val & LCD_CAM_LCD_START)
 
@@ -744,5 +744,5 @@ GFX_INLINE void Arduino_ESP32LCD8::CS_LOW(void)
   }
 }
 
-#endif // #if defined(ESP_ARDUINO_VERSION_MAJOR) && (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32LCD8.h b/src/databus/Arduino_ESP32LCD8.h
index 89718ed..3ce852c 100644
--- a/src/databus/Arduino_ESP32LCD8.h
+++ b/src/databus/Arduino_ESP32LCD8.h
@@ -3,7 +3,7 @@
 #include "Arduino_DataBus.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #ifndef LCD_MAX_PIXELS_AT_ONCE
 #define LCD_MAX_PIXELS_AT_ONCE 2046
@@ -82,5 +82,5 @@ class Arduino_ESP32LCD8 : public Arduino_DataBus
   };
 };
 
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32RGBPanel.cpp b/src/databus/Arduino_ESP32RGBPanel.cpp
index 0f345f0..0115831 100644
--- a/src/databus/Arduino_ESP32RGBPanel.cpp
+++ b/src/databus/Arduino_ESP32RGBPanel.cpp
@@ -1,7 +1,7 @@
 #include "Arduino_ESP32RGBPanel.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 Arduino_ESP32RGBPanel::Arduino_ESP32RGBPanel(
     int8_t de, int8_t vsync, int8_t hsync, int8_t pclk,
@@ -129,5 +129,5 @@ uint16_t *Arduino_ESP32RGBPanel::getFrameBuffer(int16_t w, int16_t h)
 
   return (uint16_t *)_rgb_panel->fb;
 }
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32RGBPanel.h b/src/databus/Arduino_ESP32RGBPanel.h
index 646f015..fb885b9 100644
--- a/src/databus/Arduino_ESP32RGBPanel.h
+++ b/src/databus/Arduino_ESP32RGBPanel.h
@@ -1,10 +1,9 @@
+#pragma once
+
 #include "Arduino_DataBus.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
-
-#ifndef _ARDUINO_ESP32RGBPANEL_H_
-#define _ARDUINO_ESP32RGBPANEL_H_
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #include "esp_lcd_panel_io.h"
 #include "esp_lcd_panel_rgb.h"
@@ -96,7 +95,5 @@ class Arduino_ESP32RGBPanel
   esp_rgb_panel_t *_rgb_panel;
 };
 
-#endif // _ARDUINO_ESP32RGBPANEL_H_
-
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/databus/Arduino_ESP32SPI.h b/src/databus/Arduino_ESP32SPI.h
index 8999b09..aa35930 100644
--- a/src/databus/Arduino_ESP32SPI.h
+++ b/src/databus/Arduino_ESP32SPI.h
@@ -5,13 +5,13 @@
 #if defined(ESP32)
 #include "soc/spi_struct.h"
 #if CONFIG_IDF_TARGET_ESP32S3
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #include "driver/periph_ctrl.h"
 #else
 #include "esp_private/periph_ctrl.h"
 #endif
 #elif CONFIG_IDF_TARGET_ESP32C3
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #include "driver/periph_ctrl.h"
 #else
 #include "esp_private/periph_ctrl.h"
diff --git a/src/databus/Arduino_ESP32SPIDMA.h b/src/databus/Arduino_ESP32SPIDMA.h
index 9975582..8726122 100644
--- a/src/databus/Arduino_ESP32SPIDMA.h
+++ b/src/databus/Arduino_ESP32SPIDMA.h
@@ -4,7 +4,9 @@
 
 #if defined(ESP32)
 #include <driver/spi_master.h>
+#if (ESP_ARDUINO_VERSION_MAJOR >= 3)
 #include <esp_memory_utils.h>
+#endif
 
 #ifndef ESP32SPIDMA_MAX_PIXELS_AT_ONCE
 #define ESP32SPIDMA_MAX_PIXELS_AT_ONCE 1024
diff --git a/src/display/Arduino_RGB_Display.cpp b/src/display/Arduino_RGB_Display.cpp
index 7ad5416..e1f581f 100644
--- a/src/display/Arduino_RGB_Display.cpp
+++ b/src/display/Arduino_RGB_Display.cpp
@@ -1,7 +1,7 @@
 #include "../Arduino_DataBus.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #include "../Arduino_GFX.h"
 #include "Arduino_RGB_Display.h"
@@ -519,5 +519,5 @@ uint16_t *Arduino_RGB_Display::getFramebuffer()
   return _framebuffer;
 }
 
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
diff --git a/src/display/Arduino_RGB_Display.h b/src/display/Arduino_RGB_Display.h
index 88110cd..4731914 100644
--- a/src/display/Arduino_RGB_Display.h
+++ b/src/display/Arduino_RGB_Display.h
@@ -1,10 +1,9 @@
+#pragma once
+
 #include "../Arduino_DataBus.h"
 
 #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)
-#if (ESP_ARDUINO_VERSION_MAJOR < 3)
-
-#ifndef _ARDUINO_RGB_DISPLAY_H_
-#define _ARDUINO_RGB_DISPLAY_H_
+#if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 
 #include "../Arduino_GFX.h"
 #include "../databus/Arduino_ESP32RGBPanel.h"
@@ -2299,7 +2298,5 @@ class Arduino_RGB_Display : public Arduino_GFX
 private:
 };
 
-#endif // _ARDUINO_RGB_DISPLAY_H_
-
-#endif // #if (ESP_ARDUINO_VERSION_MAJOR < 3)
+#endif // #if (!defined(ESP_ARDUINO_VERSION_MAJOR)) || (ESP_ARDUINO_VERSION_MAJOR < 3)
 #endif // #if defined(ESP32) && (CONFIG_IDF_TARGET_ESP32S3)