diff -r 87f8a814310d -r a9cc3698a55c src/hotspot/share/jfr/utilities/jfrTypes.hpp
--- a/src/hotspot/share/jfr/utilities/jfrTypes.hpp	Tue Aug 27 12:08:01 2019 +0200
+++ b/src/hotspot/share/jfr/utilities/jfrTypes.hpp	Tue Aug 27 12:36:05 2019 +0200
@@ -26,11 +26,17 @@
 #define SHARE_JFR_UTILITIES_JFRTYPES_HPP
 
 #include "jfrfiles/jfrEventIds.hpp"
-#include "memory/allocation.hpp"
-#include "utilities/globalDefinitions.hpp"
 
 typedef u8 traceid;
 typedef int fio_fd;
+
+const char* const MAGIC = "FLR";
+const u2 JFR_VERSION_MAJOR = 2;
+const u2 JFR_VERSION_MINOR = 0;
+const u1 COMPLETE = 0;
+const u1 GUARD = 0xff;
+const u1 PAD = 0;
+
 const int invalid_fd = -1;
 const jlong invalid_offset = -1;
 const int64_t invalid_time = -1;