diff --git a/generators/chipyard/src/main/scala/config/RocketConfigs.scala b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
index 6cb94317..27c93394 100644
--- a/generators/chipyard/src/main/scala/config/RocketConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
@@ -13,7 +13,7 @@ class RocketConfig extends Config(
 
 class RadianceConfig extends Config(
   new freechips.rocketchip.subsystem.WithRadianceCores() ++
-  new freechips.rocketchip.subsystem.WithIncoherentBusTopology ++ // use incoherent bus topology
+  new freechips.rocketchip.subsystem.WithIncoherentBusTopology ++
   new freechips.rocketchip.subsystem.WithNoMemPort ++
   new testchipip.WithSbusScratchpad(banks=2) ++
   // new testchipip.WithMbusScratchpad(banks=2) ++
diff --git a/generators/rocket-chip b/generators/rocket-chip
index c0899777..fdbcb6c6 160000
--- a/generators/rocket-chip
+++ b/generators/rocket-chip
@@ -1 +1 @@
-Subproject commit c0899777d2d6433d1fd140fa9455e2e52f6576c0
+Subproject commit fdbcb6c64b2648959a3af1df7c1b6cea00f41477