diff --git a/src/radio.rs b/src/radio.rs
index 1f33b489f705383098986b175ef3f197c4953183..20edb2459024f99a4a7d95e2ab9ecbcd12ebe88b 100644
--- a/src/radio.rs
+++ b/src/radio.rs
@@ -30,9 +30,9 @@ impl UartRadio {
 
         // wait until we have space for packets
         while buf != [0x02] {
-            println!("full buf! sleeping...");
             sleep(Duration::from_millis(10));
 
+            // poll to see if the buffer has emptied yet
             self.uart.write_all(&[0x00])?;
             self.uart.flush()?;