--- a/src/hotspot/share/jfr/jni/jfrJniMethod.hpp	Mon Sep 16 11:18:50 2019 +0200
+++ b/src/hotspot/share/jfr/jni/jfrJniMethod.hpp	Mon Sep 16 12:47:53 2019 +0200
@@ -113,7 +113,7 @@
 
 jboolean JNICALL jfr_event_writer_flush(JNIEnv* env, jclass cls, jobject writer, jint used_size, jint requested_size);
 
-void JNICALL jfr_flush(JNIEnv* env, jobject jvm, jboolean include_metadata, jshort flush_counter);
+void JNICALL jfr_flush(JNIEnv* env, jobject jvm, jboolean include_metadata);
 void JNICALL jfr_abort(JNIEnv* env, jobject jvm, jstring errorMsg);
 
 jlong JNICALL jfr_get_epoch_address(JNIEnv* env, jobject jvm);