diff -r 7a2a740815b7 -r caf115bb98ad src/hotspot/share/classfile/moduleEntry.cpp
--- a/src/hotspot/share/classfile/moduleEntry.cpp	Tue May 15 11:28:29 2018 -0700
+++ b/src/hotspot/share/classfile/moduleEntry.cpp	Tue May 15 20:24:34 2018 +0200
@@ -33,7 +33,6 @@
 #include "oops/symbol.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/safepoint.hpp"
-#include "trace/traceMacros.hpp"
 #include "utilities/events.hpp"
 #include "utilities/growableArray.hpp"
 #include "utilities/hashtable.inline.hpp"
@@ -215,7 +214,7 @@
   }
 }
 
-void ModuleEntry::module_reads_do(ModuleClosure* const f) {
+void ModuleEntry::module_reads_do(ModuleClosure* f) {
   assert_locked_or_safepoint(Module_lock);
   assert(f != NULL, "invariant");
 
@@ -279,7 +278,7 @@
   entry->set_loader_data(cld);
   entry->_is_open = true;
 
-  TRACE_INIT_ID(entry);
+  JFR_ONLY(INIT_ID(entry);)
 
   return entry;
 }
@@ -367,7 +366,7 @@
     }
   }
 
-  TRACE_INIT_ID(entry);
+  JFR_ONLY(INIT_ID(entry);)
 
   return entry;
 }