diff --git a/examples/AFSK_PacketTester/AFSK_PacketTester.ino b/examples/AFSK_PacketTester/AFSK_PacketTester.ino
index bd8e47d..a87ce22 100644
--- a/examples/AFSK_PacketTester/AFSK_PacketTester.ino
+++ b/examples/AFSK_PacketTester/AFSK_PacketTester.ino
@@ -45,7 +45,7 @@ void setup() {
   // turn on pwr to the radio
   digitalWrite(RESET_PIN, HIGH);
   
-  Serial.begin(115200);
+  Serial.begin(9600);
   
   radio.initialize();
   radio.frequency(144390);
diff --git a/src/HamShield.h b/src/HamShield.h
index 825cb43..74ea6c1 100644
--- a/src/HamShield.h
+++ b/src/HamShield.h
@@ -22,8 +22,6 @@
 #define HAMSHIELD_PWM_PIN                 3    // Pin assignment for PWM output
 #define HAMSHIELD_EMPTY_CHANNEL_RSSI   -110    // Default threshold where channel is considered "clear"
 
-#define HAMSHIELD_AFSK_RX_FIFO_LEN 16
-
 // button modes
 #define PTT_MODE 1
 #define RESET_MODE 2