diff --git a/tapeout/src/main/scala/transforms/retime/Retime.scala b/tapeout/src/main/scala/transforms/retime/Retime.scala
index d88217c7..010ef40b 100644
--- a/tapeout/src/main/scala/transforms/retime/Retime.scala
+++ b/tapeout/src/main/scala/transforms/retime/Retime.scala
@@ -17,6 +17,7 @@ class RetimeTransform extends Transform with DependencyAPIMigration {
   override def prerequisites: Seq[TransformDependency] = Forms.LowForm
   override def optionalPrerequisites: Seq[TransformDependency] = Forms.LowFormOptimized
   override def optionalPrerequisiteOf: Seq[TransformDependency] = Forms.LowEmitters
+  override def invalidates(a: Transform): Boolean = false
 
   override def execute(state: CircuitState): CircuitState = {
     state.annotations.filter(_.isInstanceOf[RetimeAnnotation]) match {