diff --git a/ubitx_si5351.cpp b/ubitx_si5351.cpp
index 27f1b7a..ec4879b 100644
--- a/ubitx_si5351.cpp
+++ b/ubitx_si5351.cpp
@@ -1,7 +1,6 @@
 #include <Arduino.h>
 #include <Wire.h>
 #include "settings.h"
-#include "ubitx.h"
 
 // *************  SI5315 routines - tks Jerry Gaffke, KE7ER   ***********************