diff -r f98a0ab24887 -r 0927d8c7296f src/hotspot/share/utilities/events.hpp
--- a/src/hotspot/share/utilities/events.hpp	Tue May 21 20:14:30 2019 -0700
+++ b/src/hotspot/share/utilities/events.hpp	Wed May 22 07:10:54 2019 +0200
@@ -137,11 +137,6 @@
 // A simple wrapper class for fixed size text messages.
 template <size_t bufsz>
 class FormatStringLogMessage : public FormatBuffer<bufsz> {
- public:
-  // Wrap this buffer in a stringStream.
-  stringStream stream() {
-    return stringStream(this->_buf, this->size());
-  }
 };
 typedef FormatStringLogMessage<256> StringLogMessage;
 typedef FormatStringLogMessage<512> ExtendedStringLogMessage;