From c078f5b68451dadd491692318bef4f9909457148 Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Sun, 16 Aug 2020 18:18:42 -0700
Subject: [PATCH] Sta::deleteParasitics

---
 include/sta/Sta.hh | 1 +
 search/Sta.cc      | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/include/sta/Sta.hh b/include/sta/Sta.hh
index 8ade548f..40de4f34 100644
--- a/include/sta/Sta.hh
+++ b/include/sta/Sta.hh
@@ -1097,6 +1097,7 @@ public:
 		 const RiseFall *rf,
 		 const MinMaxAll *min_max,
 		 float elmore);
+  void deleteParasitics();
 
   // TCL network edit function support.
   virtual Instance *makeInstance(const char *name,
diff --git a/search/Sta.cc b/search/Sta.cc
index 6701b277..fe6c20a3 100644
--- a/search/Sta.cc
+++ b/search/Sta.cc
@@ -3674,6 +3674,14 @@ Sta::setElmore(Pin *drvr_pin,
   delaysInvalidFrom(drvr_pin);
 }
 
+void
+Sta::deleteParasitics()
+{
+  parasitics_->deleteParasitics();
+  graph_delay_calc_->delaysInvalid();
+  search_->arrivalsInvalid();
+}
+
 ////////////////////////////////////////////////////////////////
 //
 // Network edit commands.