diff --git a/chain/actors/policy/policy.go b/chain/actors/policy/policy.go
index af823d83c..75badf36d 100644
--- a/chain/actors/policy/policy.go
+++ b/chain/actors/policy/policy.go
@@ -25,9 +25,10 @@ import (
 )
 
 const (
-	ChainFinality          = miner3.ChainFinality
-	SealRandomnessLookback = ChainFinality
-	PaychSettleDelay       = paych3.SettleDelay
+	ChainFinality                  = miner3.ChainFinality
+	SealRandomnessLookback         = ChainFinality
+	PaychSettleDelay               = paych3.SettleDelay
+	MaxPreCommitRandomnessLookback = builtin3.EpochsInDay + SealRandomnessLookback
 )
 
 // SetSupportedProofTypes sets supported proof types, across all actor versions.
diff --git a/extern/storage-sealing/checks.go b/extern/storage-sealing/checks.go
index db2e87d0e..5ee39e58f 100644
--- a/extern/storage-sealing/checks.go
+++ b/extern/storage-sealing/checks.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 
-	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 
 	proof2 "github.com/filecoin-project/specs-actors/v2/actors/runtime/proof"
@@ -94,14 +93,9 @@ func checkPrecommit(ctx context.Context, maddr address.Address, si SectorInfo, t
 		return &ErrBadCommD{xerrors.Errorf("on chain CommD differs from sector: %s != %s", commD, si.CommD)}
 	}
 
-	nv, err := api.StateNetworkVersion(ctx, tok)
-	if err != nil {
-		return &ErrApi{xerrors.Errorf("calling StateNetworkVersion: %w", err)}
-	}
+	ticketEarliest := height - policy.MaxPreCommitRandomnessLookback
 
-	msd := policy.GetMaxProveCommitDuration(actors.VersionForNetwork(nv), si.SectorType)
-
-	if height-(si.TicketEpoch+policy.SealRandomnessLookback) > msd {
+	if si.TicketEpoch < ticketEarliest {
 		return &ErrExpiredTicket{xerrors.Errorf("ticket expired: seal height: %d, head: %d", si.TicketEpoch+policy.SealRandomnessLookback, height)}
 	}
 
diff --git a/extern/storage-sealing/states_sealing.go b/extern/storage-sealing/states_sealing.go
index f5bb4cae6..e371ab33f 100644
--- a/extern/storage-sealing/states_sealing.go
+++ b/extern/storage-sealing/states_sealing.go
@@ -12,7 +12,6 @@ import (
 	"github.com/filecoin-project/go-state-types/crypto"
 	"github.com/filecoin-project/go-state-types/exitcode"
 	"github.com/filecoin-project/go-statemachine"
-	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	"github.com/filecoin-project/specs-storage/storage"
 
 	"github.com/filecoin-project/lotus/api"
@@ -22,7 +21,7 @@ import (
 )
 
 var DealSectorPriority = 1024
-var MaxTicketAge = abi.ChainEpoch(builtin0.EpochsInDay * 2)
+var MaxTicketAge = policy.MaxPreCommitRandomnessLookback
 
 func (m *Sealing) handlePacking(ctx statemachine.Context, sector SectorInfo) error {
 	m.inputLk.Lock()