diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
index 35e92173888..a76341a49d3 100644
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1855,12 +1855,7 @@ size_t G1CollectedHeap::recalculate_used() const {
 }
 
 bool  G1CollectedHeap::is_user_requested_concurrent_full_gc(GCCause::Cause cause) {
-  switch (cause) {
-    case GCCause::_java_lang_system_gc:                 return ExplicitGCInvokesConcurrent;
-    case GCCause::_dcmd_gc_run:                         return ExplicitGCInvokesConcurrent;
-    case GCCause::_wb_conc_mark:                        return true;
-    default :                                           return false;
-  }
+  return GCCause::is_user_requested_gc(cause) && ExplicitGCInvokesConcurrent;
 }
 
 bool G1CollectedHeap::should_do_concurrent_full_gc(GCCause::Cause cause) {
diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
index 4cfa5c6928d..826e9863311 100644
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -252,7 +252,7 @@ private:
   // (a) cause == _g1_humongous_allocation,
   // (b) cause == _java_lang_system_gc and +ExplicitGCInvokesConcurrent,
   // (c) cause == _dcmd_gc_run and +ExplicitGCInvokesConcurrent,
-  // (d) cause == _wb_conc_mark or _wb_breakpoint,
+  // (d) cause == _wb_breakpoint,
   // (e) cause == _g1_periodic_collection and +G1PeriodicGCInvokesConcurrent.
   bool should_do_concurrent_full_gc(GCCause::Cause cause);
 
diff --git a/src/hotspot/share/gc/shared/gcCause.cpp b/src/hotspot/share/gc/shared/gcCause.cpp
index ec0281319f7..dc5a83d5d00 100644
--- a/src/hotspot/share/gc/shared/gcCause.cpp
+++ b/src/hotspot/share/gc/shared/gcCause.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,9 +54,6 @@ const char* GCCause::to_string(GCCause::Cause cause) {
     case _wb_young_gc:
       return "WhiteBox Initiated Young GC";
 
-    case _wb_conc_mark:
-      return "WhiteBox Initiated Concurrent Mark";
-
     case _wb_full_gc:
       return "WhiteBox Initiated Full GC";
 
diff --git a/src/hotspot/share/gc/shared/gcCause.hpp b/src/hotspot/share/gc/shared/gcCause.hpp
index f949cf8889a..0b3225c524e 100644
--- a/src/hotspot/share/gc/shared/gcCause.hpp
+++ b/src/hotspot/share/gc/shared/gcCause.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,7 +51,6 @@ class GCCause : public AllStatic {
     _heap_inspection,
     _heap_dump,
     _wb_young_gc,
-    _wb_conc_mark,
     _wb_full_gc,
     _wb_breakpoint,
     _archive_time_gc,
diff --git a/src/hotspot/share/gc/z/zDriver.cpp b/src/hotspot/share/gc/z/zDriver.cpp
index 60daf185956..44c0d944cee 100644
--- a/src/hotspot/share/gc/z/zDriver.cpp
+++ b/src/hotspot/share/gc/z/zDriver.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -222,7 +222,6 @@ bool ZDriver::is_busy() const {
 void ZDriver::collect(const ZDriverRequest& request) {
   switch (request.cause()) {
   case GCCause::_wb_young_gc:
-  case GCCause::_wb_conc_mark:
   case GCCause::_wb_full_gc:
   case GCCause::_dcmd_gc_run:
   case GCCause::_java_lang_system_gc:
diff --git a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GCCause.java b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GCCause.java
index 7dba30b7b53..93aed2031e2 100644
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GCCause.java
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/GCCause.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,6 @@ public enum GCCause {
   _heap_inspection ("Heap Inspection Initiated GC"),
   _heap_dump ("Heap Dump Initiated GC"),
   _wb_young_gc ("WhiteBox Initiated Young GC"),
-  _wb_conc_mark ("WhiteBox Initiated Concurrent Mark"),
   _wb_full_gc ("WhiteBox Initiated Full GC"),
 
   _no_gc ("No GC"),