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-rw-r--r--src/main/scala/firrtl/analyses/InstanceGraph.scala1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/main/scala/firrtl/analyses/InstanceGraph.scala b/src/main/scala/firrtl/analyses/InstanceGraph.scala
index 0017ff8b..8858c4ea 100644
--- a/src/main/scala/firrtl/analyses/InstanceGraph.scala
+++ b/src/main/scala/firrtl/analyses/InstanceGraph.scala
@@ -185,7 +185,6 @@ object InstanceGraph {
@deprecated("Use InstanceKeyGraph.collectInstances instead.", "FIRRTL 1.4")
def collectInstances(insts: mutable.Set[DefInstance])(s: Statement): Unit = s match {
case i: DefInstance => insts += i
- case i: DefInstance => throwInternalError("Expecting DefInstance, found a DefInstance!")
case i: WDefInstanceConnector => throwInternalError("Expecting DefInstance, found a DefInstanceConnector!")
case _ => s.foreach(collectInstances(insts))
}