diff --git a/src/main/scala/example/Configs.scala b/src/main/scala/example/Configs.scala
index 7c7faf47..52ee21de 100644
--- a/src/main/scala/example/Configs.scala
+++ b/src/main/scala/example/Configs.scala
@@ -1,107 +1,9 @@
 package example
 
 import chisel3._
-import freechips.rocketchip.config.{Parameters, Config}
+import freechips.rocketchip.config.{Config}
 import freechips.rocketchip.subsystem.{WithRoccExample, WithNMemoryChannels, WithNBigCores, WithRV32}
-import freechips.rocketchip.diplomacy.{LazyModule, ValName}
-import freechips.rocketchip.devices.tilelink.BootROMParams
-import freechips.rocketchip.tile.XLen
 import testchipip._
-import sifive.blocks.devices.gpio._
-
-/**
- * TODO: Why do we need this?
- */
-object ConfigValName {
-  implicit val valName = ValName("TestHarness")
-}
-import ConfigValName._
-
-// -------------------------------
-// Common Configs
-// -------------------------------
-
-/**
- * Class to specify where the BootRom file is (from `rebar` top)
- */
-class WithBootROM extends Config((site, here, up) => {
-  case BootROMParams => BootROMParams(
-    contentFileName = s"./bootrom/bootrom.rv${site(XLen)}.img")
-})
-
-/**
- * Class to add in GPIO
- */
-class WithGPIO extends Config((site, here, up) => {
-  case PeripheryGPIOKey => List(
-    GPIOParams(address = 0x10012000, width = 4, includeIOF = false))
-})
-
-// -------------------------------
-// Rocket Top Level System Configs
-// -------------------------------
-
-/**
- * Class to specify a "plain" top level rocket-chip system
- */
-class WithNormalRocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    Module(LazyModule(new RocketTop()(p)).module)
-  }
-})
-
-/**
- * Class to specify a top level rocket-chip system with PWM
- */
-class WithPWMRocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) =>
-    Module(LazyModule(new RocketTopWithPWMTL()(p)).module)
-})
-
-/**
- * Class to specify a top level rocket-chip system with a PWM AXI4
- */
-class WithPWMAXI4RocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) =>
-    Module(LazyModule(new RocketTopWithPWMAXI4()(p)).module)
-})
-
-/**
- * Class to specify a top level rocket-chip system with a block device
- */
-class WithBlockDeviceModelRocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new RocketTopWithBlockDevice()(p)).module)
-    top.connectBlockDeviceModel()
-    top
-  }
-})
-
-/**
- * Class to specify a top level rocket-chip system with a simulator block device
- */
-class WithSimBlockDeviceRocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new RocketTopWithBlockDevice()(p)).module)
-    top.connectSimBlockDevice(clock, reset)
-    top
-  }
-})
-
-/**
- * Class to specify a top level rocket-chip system with GPIO
- */
-class WithGPIORocketTop extends Config((site, here, up) => {
-  case BuildRocketTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new RocketTopWithGPIO()(p)).module)
-    for (gpio <- top.gpio) {
-      for (pin <- gpio.pins) {
-        pin.i.ival := false.B
-      }
-    }
-    top
-  }
-})
 
 // --------------
 // Rocket Configs
@@ -150,72 +52,6 @@ class GPIORocketConfig extends Config(
   new WithGPIORocketTop ++
   new BaseRocketConfig)
 
-// -----------------------------
-// BOOM Top Level System Configs
-// -----------------------------
-
-/**
- * Class to specify a "plain" top level BOOM system
- */
-class WithNormalBoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    Module(LazyModule(new BoomTop()(p)).module)
-  }
-})
-
-/**
- * Class to specify a top level BOOM system with PWM
- */
-class WithPWMBoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) =>
-    Module(LazyModule(new BoomTopWithPWMTL()(p)).module)
-})
-
-/**
- * Class to specify a top level BOOM system with a PWM AXI4
- */
-class WithPWMAXI4BoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) =>
-    Module(LazyModule(new BoomTopWithPWMAXI4()(p)).module)
-})
-
-/**
- * Class to specify a top level BOOM system with a block device
- */
-class WithBlockDeviceModelBoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new BoomTopWithBlockDevice()(p)).module)
-    top.connectBlockDeviceModel()
-    top
-  }
-})
-
-/**
- * Class to specify a top level BOOM system with a simulator block device
- */
-class WithSimBlockDeviceBoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new BoomTopWithBlockDevice()(p)).module)
-    top.connectSimBlockDevice(clock, reset)
-    top
-  }
-})
-
-/**
- * Class to specify a top level BOOM system with GPIO
- */
-class WithGPIOBoomTop extends Config((site, here, up) => {
-  case BuildBoomTop => (clock: Clock, reset: Bool, p: Parameters) => {
-    val top = Module(LazyModule(new BoomTopWithGPIO()(p)).module)
-    for (gpio <- top.gpio) {
-      for (pin <- gpio.pins) {
-        pin.i.ival := false.B
-      }
-    }
-    top
-  }
-})
-
 // ------------
 // BOOM Configs
 // ------------