diff --git a/src/pubsubc.h b/src/pubsubc.h
index 31469cf..fbb80da 100644
--- a/src/pubsubc.h
+++ b/src/pubsubc.h
@@ -37,10 +37,6 @@
 
 
 
-// MQTT_MAX_TRANSFER_SIZE : limit how much data is passed to the network client
-//  in each write call. Needed for the Arduino Wifi Shield. Leave undefined to
-//  pass the entire MQTT packet in each write call.
-//#define MQTT_MAX_TRANSFER_SIZE 80
 
 // Possible values for client.state()
 #define MQTT_CONNECTION_TIMEOUT     -4