diff --git a/boards/lilygo/ttgo_lora32/ttgo_lora32_esp32_appcpu_defconfig b/boards/lilygo/ttgo_lora32/ttgo_lora32_esp32_appcpu_defconfig
index 100bb882567619..9abf2ff0430aba 100644
--- a/boards/lilygo/ttgo_lora32/ttgo_lora32_esp32_appcpu_defconfig
+++ b/boards/lilygo/ttgo_lora32/ttgo_lora32_esp32_appcpu_defconfig
@@ -2,4 +2,3 @@
 
 CONFIG_MAIN_STACK_SIZE=2048
 CONFIG_CLOCK_CONTROL=y
-CONFIG_MINIMAL_LIBC=y
diff --git a/boards/waveshare/esp32s3_touch_lcd_1_28/esp32s3_touch_lcd_1_28_esp32s3_appcpu_defconfig b/boards/waveshare/esp32s3_touch_lcd_1_28/esp32s3_touch_lcd_1_28_esp32s3_appcpu_defconfig
index a2196414381a20..15e93d6bf4ad92 100644
--- a/boards/waveshare/esp32s3_touch_lcd_1_28/esp32s3_touch_lcd_1_28_esp32s3_appcpu_defconfig
+++ b/boards/waveshare/esp32s3_touch_lcd_1_28/esp32s3_touch_lcd_1_28_esp32s3_appcpu_defconfig
@@ -3,4 +3,3 @@
 
 CONFIG_MAIN_STACK_SIZE=2048
 CONFIG_CLOCK_CONTROL=y
-CONFIG_MINIMAL_LIBC=y