--- a/src/hotspot/share/jfr/utilities/jfrTypes.hpp	Sun Sep 15 13:41:19 2019 +0200
+++ b/src/hotspot/share/jfr/utilities/jfrTypes.hpp	Sun Sep 15 15:31:04 2019 +0200
@@ -30,13 +30,6 @@
 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;