diff --git a/include/fastdds/rtps/messages/MessageReceiver.h b/include/fastdds/rtps/messages/MessageReceiver.h
index 5ea5daadcbc..91f472e9db2 100644
--- a/include/fastdds/rtps/messages/MessageReceiver.h
+++ b/include/fastdds/rtps/messages/MessageReceiver.h
@@ -78,7 +78,10 @@ class MessageReceiver
     std::vector<RTPSWriter*> associated_writers_;
     std::unordered_map<EntityId_t, std::vector<RTPSReader*>> associated_readers_;
 
+#if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
+    //!Pointer to the RTPSParticipantImpl
     RTPSParticipantImpl* participant_;
+#endif // if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
     //!Protocol version of the message
     ProtocolVersion_t source_version_;
     //!VendorID that created the message
diff --git a/src/cpp/rtps/messages/MessageReceiver.cpp b/src/cpp/rtps/messages/MessageReceiver.cpp
index 5439693a071..bed6edcc17c 100644
--- a/src/cpp/rtps/messages/MessageReceiver.cpp
+++ b/src/cpp/rtps/messages/MessageReceiver.cpp
@@ -48,7 +48,12 @@ namespace rtps {
 MessageReceiver::MessageReceiver(
         RTPSParticipantImpl* participant,
         uint32_t rec_buffer_size)
-    : participant_(participant)
+    : mtx_()
+    , associated_writers_()
+    , associated_readers_()
+#if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
+    , participant_(participant)
+#endif // if !defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
     , source_version_(c_ProtocolVersion)
     , source_vendor_id_(c_VendorId_Unknown)
     , source_guid_prefix_(c_GuidPrefix_Unknown)