diff --git a/src/hotspot/share/opto/runtime.cpp b/src/hotspot/share/opto/runtime.cpp
index 8ef2691..eb5b6a2 100644
--- a/src/hotspot/share/opto/runtime.cpp
+++ b/src/hotspot/share/opto/runtime.cpp
@@ -95,8 +95,6 @@ address OptoRuntime::_multianewarray3_Java                        = NULL;
 address OptoRuntime::_multianewarray4_Java                        = NULL;
 address OptoRuntime::_multianewarray5_Java                        = NULL;
 address OptoRuntime::_multianewarrayN_Java                        = NULL;
-address OptoRuntime::_g1_wb_pre_Java                              = NULL;
-address OptoRuntime::_g1_wb_post_Java                             = NULL;
 address OptoRuntime::_vtable_must_compile_Java                    = NULL;
 address OptoRuntime::_complete_monitor_locking_Java               = NULL;
 address OptoRuntime::_monitor_notify_Java                         = NULL;
@@ -141,8 +139,6 @@ bool OptoRuntime::generate(ciEnv* env) {
   gen(env, _multianewarray4_Java           , multianewarray4_Type         , multianewarray4_C               ,    0 , true , false, false);
   gen(env, _multianewarray5_Java           , multianewarray5_Type         , multianewarray5_C               ,    0 , true , false, false);
   gen(env, _multianewarrayN_Java           , multianewarrayN_Type         , multianewarrayN_C               ,    0 , true , false, false);
-  gen(env, _g1_wb_pre_Java                 , g1_wb_pre_Type               , SharedRuntime::g1_wb_pre        ,    0 , false, false, false);
-  gen(env, _g1_wb_post_Java                , g1_wb_post_Type              , SharedRuntime::g1_wb_post       ,    0 , false, false, false);
   gen(env, _complete_monitor_locking_Java  , complete_monitor_enter_Type  , SharedRuntime::complete_monitor_locking_C, 0, false, false, false);
   gen(env, _monitor_notify_Java            , monitor_notify_Type          , monitor_notify_C                ,    0 , false, false, false);
   gen(env, _monitor_notifyAll_Java         , monitor_notify_Type          , monitor_notifyAll_C             ,    0 , false, false, false);
@@ -542,33 +538,6 @@ const TypeFunc *OptoRuntime::multianewarrayN_Type() {
   return TypeFunc::make(domain, range);
 }
 
-const TypeFunc *OptoRuntime::g1_wb_pre_Type() {
-  const Type **fields = TypeTuple::fields(2);
-  fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value
-  fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread
-  const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
-
-  // create result type (range)
-  fields = TypeTuple::fields(0);
-  const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
-
-  return TypeFunc::make(domain, range);
-}
-
-const TypeFunc *OptoRuntime::g1_wb_post_Type() {
-
-  const Type **fields = TypeTuple::fields(2);
-  fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL;  // Card addr
-  fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL;  // thread
-  const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
-
-  // create result type (range)
-  fields = TypeTuple::fields(0);
-  const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
-
-  return TypeFunc::make(domain, range);
-}
-
 const TypeFunc *OptoRuntime::uncommon_trap_Type() {
   // create input type (domain)
   const Type **fields = TypeTuple::fields(1);