--- a/src/hotspot/share/runtime/vm_operations.hpp	Fri Jul 06 06:26:25 2018 -0700
+++ b/src/hotspot/share/runtime/vm_operations.hpp	Fri Jul 06 09:10:07 2018 -0400
@@ -52,7 +52,6 @@
   template(DeoptimizeFrame)                       \
   template(DeoptimizeAll)                         \
   template(ZombieAll)                             \
-  template(UnlinkSymbols)                         \
   template(Verify)                                \
   template(PrintJNI)                              \
   template(HeapDumper)                            \
@@ -353,14 +352,6 @@
 };
 #endif // PRODUCT
 
-class VM_UnlinkSymbols: public VM_Operation {
- public:
-  VM_UnlinkSymbols() {}
-  VMOp_Type type() const                         { return VMOp_UnlinkSymbols; }
-  void doit();
-  bool allow_nested_vm_operations() const        { return true; }
-};
-
 class VM_Verify: public VM_Operation {
  public:
   VMOp_Type type() const { return VMOp_Verify; }