diff --git a/public/Gap.h b/public/Gap.h
index e1dde5b..994a17f 100644
--- a/public/Gap.h
+++ b/public/Gap.h
@@ -19,12 +19,13 @@
 
 #include "GapAdvertisingData.h"
 #include "GapAdvertisingParams.h"
-#include "GapScanningParams.h"
 #include "GapEvents.h"
 #include "CallChain.h"
 
 using namespace mbed;
 
+class GapScanningParams; /* forward declaration */
+
 class Gap {
 public:
     enum AddressType_t {