diff --git a/ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h b/ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h
index c422dbd555..1e55cd0260 100644
--- a/ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h
+++ b/ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h
@@ -61,8 +61,6 @@
 
 #define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
 
-#define BOARD_HAS_CRYSTAL 1
-
 #define DEFAULT_I2C_BUS_SCL         (&pin_P0_04)
 #define DEFAULT_I2C_BUS_SDA         (&pin_P0_05)
 
diff --git a/ports/nrf/common-hal/bleio/Adapter.c b/ports/nrf/common-hal/bleio/Adapter.c
index 463e5d25b7..15ae8840b6 100644
--- a/ports/nrf/common-hal/bleio/Adapter.c
+++ b/ports/nrf/common-hal/bleio/Adapter.c
@@ -51,12 +51,12 @@ STATIC uint32_t ble_stack_enable(void) {
         .source       = NRF_CLOCK_LF_SRC_XTAL,
         .rc_ctiv      = 0,
         .rc_temp_ctiv = 0,
-        .accuracy     = NRF_CLOCK_LF_ACCURACY_20_PPM
+        .accuracy     = NRF_CLOCK_LF_ACCURACY_20_PPM,
 #else
         .source       = NRF_CLOCK_LF_SRC_RC,
         .rc_ctiv      = 16,
         .rc_temp_ctiv = 2,
-        .accuracy     = NRF_CLOCK_LF_ACCURACY_250_PPM
+        .accuracy     = NRF_CLOCK_LF_ACCURACY_250_PPM,
 #endif
     };
 
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index 3f939b492a..0b755a156b 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -38,11 +38,6 @@
 #define MICROPY_PY_UBINASCII                     (1)
 #define MICROPY_PY_UJSON                         (1)
 
-#ifndef BOARD_HAS_32KHZ_XTAL
-// Assume crystal is present, which is the most common case.
-#define BOARD_HAS_32KHZ_XTAL (0)
-#endif
-
 // TODO this is old BLE stuff
 #if BLUETOOTH_SD
     #define MICROPY_PY_BLEIO                     (1)
@@ -58,6 +53,11 @@
 
 #include "py/circuitpy_mpconfig.h"
 
+#ifndef BOARD_HAS_32KHZ_XTAL
+// Assume crystal is present, which is the most common case.
+#define BOARD_HAS_32KHZ_XTAL (1)
+#endif
+
 #define MICROPY_PORT_ROOT_POINTERS \
     CIRCUITPY_COMMON_ROOT_POINTERS \
     ble_drv_evt_handler_entry_t* ble_drv_evt_handler_entries; \
diff --git a/ports/nrf/peripherals/nrf/clocks.c b/ports/nrf/peripherals/nrf/clocks.c
index 67c7484887..269365cc94 100644
--- a/ports/nrf/peripherals/nrf/clocks.c
+++ b/ports/nrf/peripherals/nrf/clocks.c
@@ -26,7 +26,7 @@
  */
 
 #include "nrfx.h"
-#include "mpconfigboard.h"
+#include "mpconfigport.h"
 
 void nrf_peripherals_clocks_init(void) {