diff --git a/generators/chipyard/src/main/scala/config/BoomConfigs.scala b/generators/chipyard/src/main/scala/config/BoomConfigs.scala
index bbc816f7..3c7ae9e5 100644
--- a/generators/chipyard/src/main/scala/config/BoomConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/BoomConfigs.scala
@@ -34,13 +34,6 @@ class Cloned64MegaBoomConfig extends Config(
   new chipyard.config.WithSystemBusWidth(128) ++
   new chipyard.config.AbstractConfig)
 
-class HwachaLargeBoomConfig extends Config(
-  new chipyard.config.WithHwachaTest ++
-  new hwacha.DefaultHwachaConfig ++                              // use Hwacha vector accelerator
-  new boom.common.WithNLargeBooms(1) ++
-  new chipyard.config.WithSystemBusWidth(128) ++
-  new chipyard.config.AbstractConfig)
-
 class LoopbackNICLargeBoomConfig extends Config(
   new chipyard.harness.WithLoopbackNIC ++                        // drive NIC IOs with loopback
   new icenet.WithIceNIC ++                                       // build a NIC
diff --git a/generators/chipyard/src/main/scala/config/RocketConfigs.scala b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
index 76f3b293..57971d9a 100644
--- a/generators/chipyard/src/main/scala/config/RocketConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/RocketConfigs.scala
@@ -122,13 +122,6 @@ class MbusScratchpadRocketConfig extends Config(
   new chipyard.config.AbstractConfig)
 // DOC include end: mbusscratchpadrocket
 
-// DOC include start: RingSystemBusRocket
-class RingSystemBusRocketConfig extends Config(
-  new testchipip.WithRingSystemBus ++                       // Ring-topology system bus
-  new freechips.rocketchip.subsystem.WithNBigCores(1) ++
-  new chipyard.config.AbstractConfig)
-// DOC include end: RingSystemBusRocket
-
 class MMIORocketConfig extends Config(
   new freechips.rocketchip.subsystem.WithDefaultMMIOPort ++  // add default external master port
   new freechips.rocketchip.subsystem.WithDefaultSlavePort ++ // add default external slave port