diff --git a/build/params_2k.go b/build/params_2k.go
index 28ae3269f46..8e4a6608527 100644
--- a/build/params_2k.go
+++ b/build/params_2k.go
@@ -83,8 +83,7 @@ const UpgradeWatermelonFix2Height = -101
 const UpgradeCalibrationDragonFixHeight = -102
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
-	0:                    DrandMainnet,
-	UpgradePhoenixHeight: DrandQuicknet,
+	0: DrandQuicknet,
 }
 
 var SupportedProofTypes = []abi.RegisteredSealProof{
@@ -160,8 +159,7 @@ func init() {
 
 	UpgradePhoenixHeight = getUpgradeHeight("LOTUS_PHOENIX_HEIGHT", UpgradePhoenixHeight)
 	DrandSchedule = map[abi.ChainEpoch]DrandEnum{
-		0:                    DrandMainnet,
-		UpgradePhoenixHeight: DrandQuicknet,
+		0: DrandQuicknet,
 	}
 
 	BuildType |= Build2k
diff --git a/build/params_butterfly.go b/build/params_butterfly.go
index 6dac4cb895a..3c2d8b6cec6 100644
--- a/build/params_butterfly.go
+++ b/build/params_butterfly.go
@@ -16,8 +16,7 @@ import (
 )
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
-	0:                    DrandMainnet,
-	UpgradePhoenixHeight: DrandQuicknet,
+	0: DrandQuicknet,
 }
 
 const GenesisNetworkVersion = network.Version21
diff --git a/build/params_interop.go b/build/params_interop.go
index d275bf54037..76f30b225e2 100644
--- a/build/params_interop.go
+++ b/build/params_interop.go
@@ -69,8 +69,7 @@ const UpgradeWatermelonFix2Height = -2
 const UpgradeCalibrationDragonFixHeight = -3
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
-	0:                    DrandMainnet,
-	UpgradePhoenixHeight: DrandQuicknet,
+	0: DrandQuicknet,
 }
 
 var SupportedProofTypes = []abi.RegisteredSealProof{