diff --git a/ports/rp2/machine_pin.c b/ports/rp2/machine_pin.c
index e1a545a09234c..79f91232f77a6 100644
--- a/ports/rp2/machine_pin.c
+++ b/ports/rp2/machine_pin.c
@@ -86,7 +86,6 @@ typedef struct _machine_pin_irq_obj_t {
 } machine_pin_irq_obj_t;
 
 static const mp_irq_methods_t machine_pin_irq_methods;
-extern const machine_pin_obj_t machine_pin_obj_table[NUM_BANK0_GPIOS];
 
 // Mask with "1" indicating that the corresponding pin is in simulated open-drain mode.
 uint64_t machine_pin_open_drain_mask;
diff --git a/ports/rp2/machine_pin.h b/ports/rp2/machine_pin.h
index 196132019e609..2d85bdcadc165 100644
--- a/ports/rp2/machine_pin.h
+++ b/ports/rp2/machine_pin.h
@@ -64,6 +64,8 @@ extern const mp_obj_type_t machine_pin_af_type;
 // Include all of the individual pin objects
 #include "genhdr/pins.h"
 
+extern const machine_pin_obj_t machine_pin_obj_table[NUM_BANK0_GPIOS];
+
 extern const mp_obj_type_t pin_cpu_pins_obj_type;
 extern const mp_obj_dict_t machine_pin_cpu_pins_locals_dict;