diff --git a/beacon-chain/core/epoch/precompute/slashing.go b/beacon-chain/core/epoch/precompute/slashing.go
index dba22bbf2..5a55b1355 100644
--- a/beacon-chain/core/epoch/precompute/slashing.go
+++ b/beacon-chain/core/epoch/precompute/slashing.go
@@ -26,18 +26,20 @@ func ProcessSlashingsPrecompute(state *stateTrie.BeaconState, pBal *Balance) err
 	minSlashing := mathutil.Min(totalSlashing*params.BeaconConfig().ProportionalSlashingMultiplier, pBal.ActiveCurrentEpoch)
 	epochToWithdraw := currentEpoch + exitLength/2
 
-	vs := state.ValidatorsReadOnly()
 	var hasSlashing bool
 	// Iterate through validator list in state, stop until a validator satisfies slashing condition of current epoch.
-	for _, v := range vs {
-		if v == nil {
+	err := state.ReadFromEveryValidator(func(idx int, val *stateTrie.ReadOnlyValidator) error {
+		if val == nil {
 			return errors.New("nil validator in state")
 		}
-		correctEpoch := epochToWithdraw == v.WithdrawableEpoch()
-		if v.Slashed() && correctEpoch {
+		correctEpoch := epochToWithdraw == val.WithdrawableEpoch()
+		if val.Slashed() && correctEpoch {
 			hasSlashing = true
-			break
 		}
+		return nil
+	})
+	if err != nil {
+		return err
 	}
 	// Exit early if there's no meaningful slashing to process.
 	if !hasSlashing {
diff --git a/beacon-chain/rpc/beacon/validators.go b/beacon-chain/rpc/beacon/validators.go
index 86381a6b1..3676c6899 100644
--- a/beacon-chain/rpc/beacon/validators.go
+++ b/beacon-chain/rpc/beacon/validators.go
@@ -806,13 +806,17 @@ func (bs *Server) GetIndividualVotes(
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "Could not pre compute attestations: %v", err)
 	}
-	vals := requestedState.ValidatorsReadOnly()
 	for _, index := range filteredIndices {
 		if index >= uint64(len(v)) {
 			votes = append(votes, &ethpb.IndividualVotesRespond_IndividualVote{ValidatorIndex: index})
 			continue
 		}
-		pb := vals[index].PublicKey()
+		val, err := requestedState.ValidatorAtIndexReadOnly(index)
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "Could not retrieve validator: %v", err)
+
+		}
+		pb := val.PublicKey()
 		votes = append(votes, &ethpb.IndividualVotesRespond_IndividualVote{
 			Epoch:                            req.Epoch,
 			PublicKey:                        pb[:],