diff --git a/ports/esp32/boards/sdkconfig b/ports/esp32/boards/sdkconfig
index 23fc8dead5..eaafed5d6b 100644
--- a/ports/esp32/boards/sdkconfig
+++ b/ports/esp32/boards/sdkconfig
@@ -19,7 +19,6 @@ CONFIG_ESP32_XTAL_FREQ_AUTO=y
 CONFIG_PM_ENABLE=y
 
 # FreeRTOS
-CONFIG_FREERTOS_UNICORE=y
 CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS=2
 CONFIG_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_ENABLE_STATIC_TASK_CLEAN_UP_HOOK=y
diff --git a/ports/esp32/boards/sdkconfig.spiram b/ports/esp32/boards/sdkconfig.spiram
index b34781a0d0..6de2db7cb0 100644
--- a/ports/esp32/boards/sdkconfig.spiram
+++ b/ports/esp32/boards/sdkconfig.spiram
@@ -22,7 +22,6 @@ CONFIG_ESP32_XTAL_FREQ_AUTO=y
 CONFIG_PM_ENABLE=y
 
 # FreeRTOS
-CONFIG_FREERTOS_UNICORE=y
 CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS=2
 CONFIG_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_ENABLE_STATIC_TASK_CLEAN_UP_HOOK=y