diff --git a/src/BLEMIDI_Defs.h b/src/BLEMIDI_Defs.h
index 7aa1805..0d772be 100644
--- a/src/BLEMIDI_Defs.h
+++ b/src/BLEMIDI_Defs.h
@@ -2,13 +2,6 @@
 
 #include "BLEMIDI_Namespace.h"
 
-// As specified in
-// Specification for MIDI over Bluetooth Low Energy (BLE-MIDI)
-// Version 1.0a, NOvember 1, 2015
-// 3. BLE Service and Characteristics Definitions
-#define SERVICE_UUID        "03b80e5a-ede8-4b33-a751-6ce34ec4c700"
-#define CHARACTERISTIC_UUID "7772e5db-3868-4112-a1a9-f2669d106bf3"
-
 #if ARDUINO
 #include <Arduino.h>
 #else