diff --git a/src/MessageOutput.cpp b/src/MessageOutput.cpp
index 67b04083..368e7562 100644
--- a/src/MessageOutput.cpp
+++ b/src/MessageOutput.cpp
@@ -4,7 +4,6 @@
  */
 #include "MessageOutput.h"
 #include "SyslogLogger.h"
-#include <HardwareSerial.h>
 
 MessageOutputClass MessageOutput;