--- old/src/hotspot/share/runtime/vmOperations.hpp	2019-08-27 14:06:44.307988428 +0200
+++ new/src/hotspot/share/runtime/vmOperations.hpp	2019-08-27 14:06:44.014978278 +0200
@@ -49,7 +49,6 @@
   template(ClearICs)                              \
   template(ForceSafepoint)                        \
   template(ForceAsyncSafepoint)                   \
-  template(Deoptimize)                            \
   template(DeoptimizeFrame)                       \
   template(DeoptimizeAll)                         \
   template(ZombieAll)                             \
@@ -318,14 +317,6 @@
   VM_GTestExecuteAtSafepoint() {}
 };
 
-class VM_Deoptimize: public VM_Operation {
- public:
-  VM_Deoptimize() {}
-  VMOp_Type type() const                        { return VMOp_Deoptimize; }
-  void doit();
-  bool allow_nested_vm_operations() const        { return true; }
-};
-
 class VM_MarkActiveNMethods: public VM_Operation {
  public:
   VM_MarkActiveNMethods() {}