diff --git a/cmd/lotus-sim/simulation/precommit.go b/cmd/lotus-sim/simulation/precommit.go
index 055918c8c..619ba467d 100644
--- a/cmd/lotus-sim/simulation/precommit.go
+++ b/cmd/lotus-sim/simulation/precommit.go
@@ -94,15 +94,7 @@ func (ss *simulationState) packPreCommitsMiner(ctx context.Context, cb packFunc,
 	// Load everything.
 	epoch := ss.nextEpoch()
 	nv := ss.sm.GetNtwkVersion(ctx, epoch)
-	st, err := ss.stateTree(ctx)
-	if err != nil {
-		return 0, false, err
-	}
-	actor, err := st.GetActor(minerAddr)
-	if err != nil {
-		return 0, false, err
-	}
-	minerState, err := miner.Load(ss.Chainstore.ActorStore(ctx), actor)
+	actor, minerState, err := ss.getMinerState(ctx, minerAddr)
 	if err != nil {
 		return 0, false, err
 	}
diff --git a/cmd/lotus-sim/simulation/state.go b/cmd/lotus-sim/simulation/state.go
index 88971c9f0..23de7038c 100644
--- a/cmd/lotus-sim/simulation/state.go
+++ b/cmd/lotus-sim/simulation/state.go
@@ -63,13 +63,6 @@ func loadSimulationState(ctx context.Context, sim *Simulation) (*simulationState
 		return nil, err
 	}
 
-	// Now load miner state info.
-	store := sim.Chainstore.ActorStore(ctx)
-	st, err := sim.stateTree(ctx)
-	if err != nil {
-		return nil, err
-	}
-
 	type onboardingInfo struct {
 		addr           address.Address
 		onboardingRate uint64
@@ -86,12 +79,7 @@ func loadSimulationState(ctx context.Context, sim *Simulation) (*simulationState
 	state.commitQueue.advanceEpoch(state.nextEpoch())
 	for addr, claim := range currentPowerTable {
 		// Load the miner state.
-		minerActor, err := st.GetActor(addr)
-		if err != nil {
-			return nil, err
-		}
-
-		minerState, err := miner.Load(store, minerActor)
+		_, minerState, err := state.getMinerState(ctx, addr)
 		if err != nil {
 			return nil, err
 		}
@@ -176,15 +164,7 @@ func (ss *simulationState) nextEpoch() abi.ChainEpoch {
 func (ss *simulationState) getMinerInfo(ctx context.Context, addr address.Address) (*miner.MinerInfo, error) {
 	minerInfo, ok := ss.minerInfos[addr]
 	if !ok {
-		st, err := ss.stateTree(ctx)
-		if err != nil {
-			return nil, err
-		}
-		act, err := st.GetActor(addr)
-		if err != nil {
-			return nil, err
-		}
-		minerState, err := miner.Load(ss.Chainstore.ActorStore(ctx), act)
+		_, minerState, err := ss.getMinerState(ctx, addr)
 		if err != nil {
 			return nil, err
 		}
@@ -197,3 +177,20 @@ func (ss *simulationState) getMinerInfo(ctx context.Context, addr address.Addres
 	}
 	return minerInfo, nil
 }
+
+// getMinerState loads the miner actor & state.
+func (ss *simulationState) getMinerState(ctx context.Context, addr address.Address) (*types.Actor, miner.State, error) {
+	st, err := ss.stateTree(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+	act, err := st.GetActor(addr)
+	if err != nil {
+		return nil, nil, err
+	}
+	state, err := miner.Load(ss.Chainstore.ActorStore(ctx), act)
+	if err != nil {
+		return nil, nil, err
+	}
+	return act, state, err
+}
diff --git a/cmd/lotus-sim/simulation/wdpost.go b/cmd/lotus-sim/simulation/wdpost.go
index fe93a5f0c..c940c8d51 100644
--- a/cmd/lotus-sim/simulation/wdpost.go
+++ b/cmd/lotus-sim/simulation/wdpost.go
@@ -191,11 +191,6 @@ func (ss *simulationState) stepWindowPoStsMiner(
 func (ss *simulationState) queueWindowPoSts(ctx context.Context) error {
 	targetHeight := ss.nextEpoch()
 
-	st, err := ss.stateTree(ctx)
-	if err != nil {
-		return err
-	}
-
 	now := time.Now()
 	was := len(ss.pendingWposts)
 	count := 0
@@ -220,14 +215,8 @@ func (ss *simulationState) queueWindowPoSts(ctx context.Context) error {
 			return err
 		}
 
-		store := ss.Chainstore.ActorStore(ctx)
-
 		for _, addr := range ss.wpostPeriods[int(ss.nextWpostEpoch%miner.WPoStChallengeWindow)] {
-			minerActor, err := st.GetActor(addr)
-			if err != nil {
-				return err
-			}
-			minerState, err := miner.Load(store, minerActor)
+			_, minerState, err := ss.getMinerState(ctx, addr)
 			if err != nil {
 				return err
 			}