diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 73d56005..97ee26ef 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -18,6 +18,8 @@
 // This code is an Arduino sketch for the Raspberry Pi Pico
 // based on the Raspberry Pi Code
 
+#define PICO_0V1 // define for Pico v0.1 hardware
+
 #include "cubesatsim.h"
 #include "DumbTXSWS.h"
 #include <Wire.h>
@@ -57,12 +59,6 @@ WiFiServer server(port);
 WiFiClient client;
 
 //#define PICO_W    // define if Pico W board.  Otherwise, compilation fail for Pico or runtime fail if compile as Pico W
-#define PICO_0V1 // define for Pico v0.1 hardware
-
-#ifdef PICO_0V1
-#define BPF_PIN 8  // BPF is installed for v0.1 Pico
-#define PI_3V3_PIN 9  // 3.3V supply used to detect Pi Zero for v0.1 Pico
-#endif
 
 byte green_led_counter = 0;
 char call[] = "AMSAT";   // put your callsign here