diff --git a/lvgl_tft/il3820.c b/lvgl_tft/il3820.c
index 1d69136..23a96f2 100644
--- a/lvgl_tft/il3820.c
+++ b/lvgl_tft/il3820.c
@@ -182,8 +182,7 @@ void il3820_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t* buf,
 #else
     (void)byte_index;
     (void)bit_index;
-    assert(false); // Crash if we get here, but allow compilation for CI
-#warning "Unsupported orientation used"
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
 #endif
 }
 
diff --git a/lvgl_tft/jd79653a.c b/lvgl_tft/jd79653a.c
index fb67b8b..e29d934 100644
--- a/lvgl_tft/jd79653a.c
+++ b/lvgl_tft/jd79653a.c
@@ -123,10 +123,9 @@ static const uint8_t lut_bb1[] = {
 static const jd79653a_seq_t init_seq[] = {
 #if defined (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
         {0x00, {0xd3, 0x0e},       2},                 // Panel settings
-#elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
-        {0x00, {0xdf, 0x0e}, 2},                 // Panel settings
+//#elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
 #else
-#warning "Unsupported orientation - only portrait modes are supported for now"
+        {0x00, {0xdf, 0x0e}, 2},                 // Panel settings
 #endif
         {0x4d, {0x55}, 1},                             // Undocumented secret from demo code
         {0xaa, {0x0f}, 1},                             // Undocumented secret from demo code
@@ -249,9 +248,8 @@ static void jd79653a_partial_in()
 #elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
     uint8_t pst_use_reg_lut[] = { 0xff, 0x0e };
 #else
-    assert(false); // Crash if we get here, but allow compilation for CI
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
     uint8_t pst_use_reg_lut[] = { 0,0 };
-#warning "Unsupported orientation - only portrait modes are supported for now"
 #endif
     jd79653a_spi_send_cmd(0x00);
     jd79653a_spi_send_data(pst_use_reg_lut, sizeof(pst_use_reg_lut));
@@ -278,9 +276,8 @@ static void jd79653a_partial_out()
 #elif defined(CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
     uint8_t pst_use_otp_lut[] = { 0xdf, 0x0e };
 #else
-    assert(false); // Crash if we get here, but allow compilation for CI
+    assert(false); // Unsupported orientation configured. Crash if we get here, but allow compilation for CI
     uint8_t pst_use_otp_lut[] = { 0,0 };
-#warning "Unsupported orientation - only portrait modes are supported for now"
 #endif
     jd79653a_spi_send_cmd(0x00);
     jd79653a_spi_send_data(pst_use_otp_lut, sizeof(pst_use_otp_lut));
diff --git a/lvgl_tft/ra8875.c b/lvgl_tft/ra8875.c
index 7c4b976..5471756 100644
--- a/lvgl_tft/ra8875.c
+++ b/lvgl_tft/ra8875.c
@@ -59,7 +59,6 @@
     #define CONFIG_LV_DISP_RA8875_PLLDIVN (0x00)
     #define CONFIG_LV_DISP_RA8875_PLLDIVK (0x00)
 
-    #warning "No RA8875 settings defined"
 #else
 #if ( CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED || CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED )
     #if CONFIG_LV_INVERT_DISPLAY
@@ -138,6 +137,9 @@ static void ra8875_send_buffer(uint8_t * data, size_t length, bool signal_flush)
 
 void ra8875_init(void)
 {
+#ifndef CONFIG_LV_TFT_DISPLAY_CONTROLLER_RA8875
+    assert(false); // This driver is not properly configured
+#endif
     unsigned int i = 0;
 
     struct {
diff --git a/lvgl_tft/ssd1306.c b/lvgl_tft/ssd1306.c
index 5953d44..d282a7f 100644
--- a/lvgl_tft/ssd1306.c
+++ b/lvgl_tft/ssd1306.c
@@ -106,7 +106,7 @@ void ssd1306_init(void)
     orientation_1 = 0xA0;
     orientation_2 = OLED_CMD_SET_COM_SCAN_MODE_NORMAL;
 #else
-    #error "Unsupported orientation"
+    assert(false); // Invalid configuration of SSD1306 driver
 #endif
 
     uint8_t display_mode = 0;