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-rw-r--r--src/main/scala/firrtl/passes/ToWorkingIR.scala5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/main/scala/firrtl/passes/ToWorkingIR.scala b/src/main/scala/firrtl/passes/ToWorkingIR.scala
index 3f044e03..7da94be8 100644
--- a/src/main/scala/firrtl/passes/ToWorkingIR.scala
+++ b/src/main/scala/firrtl/passes/ToWorkingIR.scala
@@ -1,9 +1,8 @@
package firrtl.passes
import firrtl.ir._
-import firrtl.Mappers._
-import firrtl.options.{PreservesAll}
-import firrtl.{Transform, UnknownFlow, UnknownKind, WDefInstance, WRef, WSubAccess, WSubField, WSubIndex}
+import firrtl.options.PreservesAll
+import firrtl.Transform
object ToWorkingIR extends Pass with PreservesAll[Transform] {
override def prerequisites = firrtl.stage.Forms.MinimalHighForm