diff --git a/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp b/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
index 961451e5b59..4a74e2d838d 100644
--- a/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
+++ b/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2024, 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
@@ -208,7 +208,8 @@ size_t ParallelScavengeHeap::used() const {
 }
 
 bool ParallelScavengeHeap::is_maximal_no_gc() const {
-  return old_gen()->is_maximal_no_gc() && young_gen()->is_maximal_no_gc();
+  // We don't expand young-gen except at a GC.
+  return old_gen()->is_maximal_no_gc();
 }
 
 
diff --git a/src/hotspot/share/gc/parallel/psYoungGen.hpp b/src/hotspot/share/gc/parallel/psYoungGen.hpp
index 49742c29e03..fb0bf6cd43e 100644
--- a/src/hotspot/share/gc/parallel/psYoungGen.hpp
+++ b/src/hotspot/share/gc/parallel/psYoungGen.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2024, 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
@@ -123,10 +123,6 @@ class PSYoungGen : public CHeapObj<mtGC> {
   size_t min_gen_size() const { return _min_gen_size; }
   size_t max_gen_size() const { return _max_gen_size; }
 
-  bool is_maximal_no_gc() const {
-    return true;  // Never expands except at a GC
-  }
-
   // Allocation
   HeapWord* allocate(size_t word_size) {
     HeapWord* result = eden_space()->cas_allocate(word_size);