diff --git a/src/hotspot/share/gc/parallel/psOldGen.hpp b/src/hotspot/share/gc/parallel/psOldGen.hpp
index 35cefec8a0a..68cac7128da 100644
--- a/src/hotspot/share/gc/parallel/psOldGen.hpp
+++ b/src/hotspot/share/gc/parallel/psOldGen.hpp
@@ -108,11 +108,6 @@ class PSOldGen : public CHeapObj<mtGC> {
   // Size info
   size_t capacity_in_bytes() const        { return object_space()->capacity_in_bytes(); }
   size_t used_in_bytes() const            { return object_space()->used_in_bytes(); }
-  size_t free_in_bytes() const            { return object_space()->free_in_bytes(); }
-
-  size_t capacity_in_words() const        { return object_space()->capacity_in_words(); }
-  size_t used_in_words() const            { return object_space()->used_in_words(); }
-  size_t free_in_words() const            { return object_space()->free_in_words(); }
 
   bool is_maximal_no_gc() const {
     return virtual_space()->uncommitted_size() == 0;