diff --git a/src/MQTTClientMbedOs.h b/src/MQTTClientMbedOs.h
index a3459e6..5987b40 100644
--- a/src/MQTTClientMbedOs.h
+++ b/src/MQTTClientMbedOs.h
@@ -22,7 +22,6 @@
 #include <TLSSocket.h>
 #include <DTLSSocket.h>
 #include <UDPSocket.h>
-#include "unity/unity.h"
 
 #include "FP.h"
 #include <MQTTPacket.h>