diff --git a/dcalc/GraphDelayCalc.cc b/dcalc/GraphDelayCalc.cc
index 5b86be82..05fa4dca 100644
--- a/dcalc/GraphDelayCalc.cc
+++ b/dcalc/GraphDelayCalc.cc
@@ -29,12 +29,6 @@ GraphDelayCalc::GraphDelayCalc(StaState *sta) :
 {
 }
 
-void
-GraphDelayCalc::copyState(const StaState *sta)
-{
-  StaState::copyState(sta);
-}
-
 void
 GraphDelayCalc::setObserver(DelayCalcObserver *observer)
 {
diff --git a/include/sta/GraphDelayCalc.hh b/include/sta/GraphDelayCalc.hh
index e07867d4..cdf70afe 100644
--- a/include/sta/GraphDelayCalc.hh
+++ b/include/sta/GraphDelayCalc.hh
@@ -44,7 +44,6 @@ class GraphDelayCalc : public StaState
 public:
   explicit GraphDelayCalc(StaState *sta);
   virtual ~GraphDelayCalc() {}
-  virtual void copyState(const StaState *sta);
   // Find arc delays and vertex slews thru level.
   virtual void findDelays(Level /* level */) {};
   // Find and annotate drvr_vertex gate and load delays/slews.
diff --git a/include/sta/StaState.hh b/include/sta/StaState.hh
index 39defbad..f0268e89 100644
--- a/include/sta/StaState.hh
+++ b/include/sta/StaState.hh
@@ -122,9 +122,6 @@ protected:
   DispatchQueue *dispatch_queue_;
   bool pocv_enabled_;
   float sigma_factor_;
-
-private:
-  DISALLOW_COPY_AND_ASSIGN(StaState);
 };
 
 } // namespace
diff --git a/search/StaState.cc b/search/StaState.cc
index a4c77c46..10324931 100644
--- a/search/StaState.cc
+++ b/search/StaState.cc
@@ -47,55 +47,15 @@ StaState::StaState() :
 {
 }
 
-StaState::StaState(const StaState *sta) :
-  report_(sta->report_),
-  debug_(sta->debug_),
-  units_(sta->units_),
-  network_(sta->network_),
-  sdc_network_(sta->sdc_network_),
-  cmd_network_(sta->cmd_network_),
-  sdc_(sta->sdc_),
-  corners_(sta->corners_),
-  graph_(sta->graph_),
-  levelize_(sta->levelize_),
-  parasitics_(sta->parasitics_),
-  arc_delay_calc_(sta->arc_delay_calc_),
-  graph_delay_calc_(sta->graph_delay_calc_),
-  sim_(sta->sim_),
-  search_(sta->search_),
-  latches_(sta->latches_),
-  clk_network_(sta->clk_network_),
-  thread_count_(sta->thread_count_),
-  dispatch_queue_(sta->dispatch_queue_),
-  pocv_enabled_(sta->pocv_enabled_),
-  sigma_factor_(sta->sigma_factor_)
+StaState::StaState(const StaState *sta)
 {
+  *this = *sta;
 }
 
 void
 StaState::copyState(const StaState *sta)
 {
-  report_ = sta->report_;
-  debug_ = sta->debug_;
-  units_ = sta->units_;
-  network_ = sta->network_;
-  sdc_network_ = sta->sdc_network_;
-  cmd_network_ = sta->cmd_network_;
-  sdc_ = sta->sdc_;
-  corners_ = sta->corners_;
-  graph_ = sta->graph_;
-  levelize_ = sta->levelize_;
-  parasitics_ = sta->parasitics_;
-  arc_delay_calc_ = sta->arc_delay_calc_;
-  graph_delay_calc_ = sta->graph_delay_calc_;
-  sim_ = sta->sim_;
-  search_ = sta->search_;
-  latches_ = sta->latches_;
-  clk_network_ = sta->clk_network_;
-  thread_count_ = sta->thread_count_;
-  dispatch_queue_ = sta->dispatch_queue_;
-  pocv_enabled_ = sta->pocv_enabled_;
-  sigma_factor_ = sta->sigma_factor_;
+  *this = *sta;
 }
 
 void