diff --git a/ports/zephyr/boards/rpi_pico.conf b/ports/zephyr/boards/rpi_pico.conf
index 6a0be1c379..26f8be3efa 100644
--- a/ports/zephyr/boards/rpi_pico.conf
+++ b/ports/zephyr/boards/rpi_pico.conf
@@ -18,6 +18,7 @@ CONFIG_SPI=y
 
 # MicroPython config.
 CONFIG_MICROPY_HEAP_SIZE=196608
+CONFIG_MICROPY_CONFIG_ROM_LEVEL_FULL_FEATURES=y
 
 # File System Configuration
 CONFIG_FILE_SYSTEM=y
diff --git a/ports/zephyr/boards/rpi_pico2_rp2350a_m33.conf b/ports/zephyr/boards/rpi_pico2_rp2350a_m33.conf
index 8460127247..fcb59395e8 100644
--- a/ports/zephyr/boards/rpi_pico2_rp2350a_m33.conf
+++ b/ports/zephyr/boards/rpi_pico2_rp2350a_m33.conf
@@ -15,3 +15,4 @@ CONFIG_SPI=y
 
 # MicroPython config.
 CONFIG_MICROPY_HEAP_SIZE=458752
+CONFIG_MICROPY_CONFIG_ROM_LEVEL_FULL_FEATURES=y