--- old/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	2019-09-02 16:46:26.169511626 +0200
+++ new/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	2019-09-02 16:46:25.765509622 +0200
@@ -32,7 +32,6 @@
 #include "classfile/systemDictionary.hpp"
 #include "code/codeCache.hpp"
 #include "compiler/compileBroker.hpp"
-#include "gc/g1/g1HeapRegionEventSender.hpp"
 #include "gc/shared/gcConfiguration.hpp"
 #include "gc/shared/gcTrace.hpp"
 #include "gc/shared/gcVMOperations.hpp"
@@ -65,6 +64,9 @@
 #include "services/threadService.hpp"
 #include "utilities/exceptions.hpp"
 #include "utilities/globalDefinitions.hpp"
+#if INCLUDE_G1GC
+#include "gc/g1/g1HeapRegionEventSender.hpp"
+#endif
 #if INCLUDE_SHENANDOAHGC
 #include "gc/shenandoah/shenandoahJfrSupport.hpp"
 #endif
@@ -323,18 +325,8 @@
   VMThread::execute(&op);
 }
 
-class VM_G1SendHeapRegionInfoEvents : public VM_Operation {
-  virtual void doit() {
-    G1HeapRegionEventSender::send_events();
-  }
-  virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; }
-};
-
 TRACE_REQUEST_FUNC(G1HeapRegionInformation) {
-  if (UseG1GC) {
-    VM_G1SendHeapRegionInfoEvents op;
-    VMThread::execute(&op);
-  }
+  G1GC_ONLY(G1HeapRegionEventSender::send_events());
 }
 
 // Java Mission Control (JMC) uses (Java) Long.MIN_VALUE to describe that a