diff -r 1b76d17440a0 -r 30a9612a657d src/hotspot/share/oops/klass.cpp
--- a/src/hotspot/share/oops/klass.cpp	Thu Oct 10 10:27:12 2019 +0200
+++ b/src/hotspot/share/oops/klass.cpp	Thu Oct 10 13:26:22 2019 +0200
@@ -57,10 +57,6 @@
   _java_mirror = class_loader_data()->add_handle(m);
 }
 
-oop Klass::java_mirror() const {
-  return _java_mirror.resolve();
-}
-
 oop Klass::java_mirror_no_keepalive() const {
   return _java_mirror.peek();
 }
@@ -681,8 +677,6 @@
   }
 }
 
-oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
-
 // In product mode, this function doesn't have virtual function calls so
 // there might be some performance advantage to handling InstanceKlass here.
 const char* Klass::external_name() const {
@@ -826,14 +820,6 @@
   return ClassLoaderDataGraph::is_valid(k->class_loader_data());
 }
 
-klassVtable Klass::vtable() const {
-  return klassVtable(const_cast<Klass*>(this), start_of_vtable(), vtable_length() / vtableEntry::size());
-}
-
-vtableEntry* Klass::start_of_vtable() const {
-  return (vtableEntry*) ((address)this + in_bytes(vtable_start_offset()));
-}
-
 Method* Klass::method_at_vtable(int index)  {
 #ifndef PRODUCT
   assert(index >= 0, "valid vtable index");
@@ -844,9 +830,6 @@
   return start_of_vtable()[index].method();
 }
 
-ByteSize Klass::vtable_start_offset() {
-  return in_ByteSize(InstanceKlass::header_size() * wordSize);
-}
 
 #ifndef PRODUCT