diff --git a/inc/MicroBitConfig.h b/inc/MicroBitConfig.h
index 04b3e36e..a0c77e20 100644
--- a/inc/MicroBitConfig.h
+++ b/inc/MicroBitConfig.h
@@ -227,6 +227,11 @@
     #define MICROBIT_BLE_ADVERTISING_INTERVAL        50
 #endif
 
+// Define the default maximum number of BLE bonds
+#ifndef MICROBIT_BLE_MAXIMUM_BONDS
+    #define MICROBIT_BLE_MAXIMUM_BONDS              4
+#endif
+
 // Defines default power level of the BLE radio transmitter.
 // Valid values are in the range 0..7 inclusive, with 0 being the lowest power and 7 the highest power.
 // Based on trials undertaken by the BBC, the radio is normally set to a low power level
diff --git a/inc/bluetooth/MicroBitBLEManager.h b/inc/bluetooth/MicroBitBLEManager.h
index fc402ad7..af655d74 100644
--- a/inc/bluetooth/MicroBitBLEManager.h
+++ b/inc/bluetooth/MicroBitBLEManager.h
@@ -47,7 +47,6 @@ DEALINGS IN THE SOFTWARE.
 
 #define MICROBIT_BLE_PAIRING_TIMEOUT 90
 #define MICROBIT_BLE_POWER_LEVELS 8
-#define MICROBIT_BLE_MAXIMUM_BONDS 4
 #define MICROBIT_BLE_ENABLE_BONDING true
 
 #define MICROBIT_BLE_EDDYSTONE_ADV_INTERVAL     400