diff --git a/src/main/scala/coreplex/RocketCoreplex.scala b/src/main/scala/coreplex/RocketCoreplex.scala
index 80af5a39..3faa24cd 100644
--- a/src/main/scala/coreplex/RocketCoreplex.scala
+++ b/src/main/scala/coreplex/RocketCoreplex.scala
@@ -57,8 +57,6 @@ trait HasRocketTiles extends HasSystemBus
       }
       case RationalCrossing(direction) => {
         val wrapper = LazyModule(new RationalRocketTile(c, i)(pWithExtra))
-        val sink = LazyModule(new TLRationalCrossingSink(direction))
-        val source = LazyModule(new TLRationalCrossingSource)
         sbus.fromRationalTiles(direction) :=* wrapper.masterNode
         wrapper.slaveNode :*= pbus.toRationalSlaves
         wrapper