diff --git a/build/bootstrap/bootstrappers.pi b/build/bootstrap/bootstrappers.pi
index 465f3b5e9..78544450f 100644
--- a/build/bootstrap/bootstrappers.pi
+++ b/build/bootstrap/bootstrappers.pi
@@ -1,6 +1,2 @@
-/dns4/bootstrap-0.testnet.fildev.network/tcp/1347/p2p/12D3KooWJTUBUjtzWJGWU1XSiY21CwmHaCNLNYn2E7jqHEHyZaP7
-/dns4/bootstrap-1.testnet.fildev.network/tcp/1347/p2p/12D3KooW9yeKXha4hdrJKq74zEo99T8DhriQdWNoojWnnQbsgB3v
-/dns4/bootstrap-2.testnet.fildev.network/tcp/1347/p2p/12D3KooWCrx8yVG9U9Kf7w8KLN3Edkj5ZKDhgCaeMqQbcQUoB6CT
-/dns4/bootstrap-4.testnet.fildev.network/tcp/1347/p2p/12D3KooWPkL9LrKRQgHtq7kn9ecNhGU9QaziG8R5tX8v9v7t3h34
-/dns4/bootstrap-3.testnet.fildev.network/tcp/1347/p2p/12D3KooWKYSsbpgZ3HAjax5M1BXCwXLa6gVkUARciz7uN3FNtr7T
-/dns4/bootstrap-5.testnet.fildev.network/tcp/1347/p2p/12D3KooWQYzqnLASJAabyMpPb1GcWZvNSe7JDcRuhdRqonFoiK9W
+/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWAhz1zKBZ3Tz9KZyGV97n33pcUSKxiBgYqzTvxwbmyQsp
+/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWJpQED5RFifsJ4TprivacbwwDbmwmXaBMpq4MMoPMBLne
diff --git a/build/genesis/devnet.car b/build/genesis/devnet.car
deleted file mode 100644
index f1b3f342a..000000000
Binary files a/build/genesis/devnet.car and /dev/null differ
diff --git a/build/params_testnet.go b/build/params_testnet.go
index 108aba20c..2d899deb4 100644
--- a/build/params_testnet.go
+++ b/build/params_testnet.go
@@ -6,27 +6,24 @@ package build
 
 import (
 	"github.com/filecoin-project/go-state-types/abi"
-	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/specs-actors/actors/builtin"
 	miner0 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
-	power0 "github.com/filecoin-project/specs-actors/actors/builtin/power"
 )
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
-	0:                  DrandIncentinet,
-	UpgradeSmokeHeight: DrandMainnet,
+	0: DrandMainnet,
 }
 
-const UpgradeBreezeHeight = 41280
+const UpgradeBreezeHeight = -1
 const BreezeGasTampingDuration = 120
 
-const UpgradeSmokeHeight = 51000
+const UpgradeSmokeHeight = -1
 
 func init() {
-	power0.ConsensusMinerMinPower = big.NewInt(10 << 40)
 	miner0.SupportedProofTypes = map[abi.RegisteredSealProof]struct{}{
-		abi.RegisteredSealProof_StackedDrg32GiBV1: {},
-		abi.RegisteredSealProof_StackedDrg64GiBV1: {},
+		abi.RegisteredSealProof_StackedDrg512MiBV1: {},
+		abi.RegisteredSealProof_StackedDrg32GiBV1:  {},
+		abi.RegisteredSealProof_StackedDrg64GiBV1:  {},
 	}
 }