diff --git a/metrics.go b/metrics.go
index a360b87..44fa155 100644
--- a/metrics.go
+++ b/metrics.go
@@ -95,8 +95,7 @@ type matchFunctionWithMetrics struct {
 func (m *matchFunctionWithMetrics) MakeMatches(ctx context.Context, profile *pb.MatchProfile, poolTickets map[string][]*pb.Ticket) ([]*pb.Match, error) {
 	start := time.Now()
 	defer func() {
-		m.metrics.matchFunctionLatency.Record(ctx, time.Since(start).Seconds(),
-			metric.WithAttributes(matchProfileKey.String(profile.Name)))
+		m.metrics.recordMatchFunctionLatency(ctx, time.Since(start).Seconds(), profile)
 	}()
 	return m.mmf.MakeMatches(ctx, profile, poolTickets)
 }
diff --git a/pkg/statestore/redis.go b/pkg/statestore/redis.go
index 20800f0..2da06df 100644
--- a/pkg/statestore/redis.go
+++ b/pkg/statestore/redis.go
@@ -143,6 +143,9 @@ func (s *RedisStore) GetActiveTickets(ctx context.Context, limit int64) ([]*pb.T
 	defer unlock()
 
 	allTicketIDs, err := s.getAllTicketIDs(lockedCtx, limit)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get all ticket IDs: %w", err)
+	}
 	if len(allTicketIDs) == 0 {
 		return nil, nil
 	}
@@ -333,27 +336,6 @@ func (s *RedisStore) getTickets(ctx context.Context, ticketIDs []string) ([]*pb.
 	return tickets, nil
 }
 
-func (s *RedisStore) setTickets(ctx context.Context, tickets []*pb.Ticket) error {
-	queries := make([]rueidis.Completed, len(tickets))
-	for i, ticket := range tickets {
-		data, err := encodeTicket(ticket)
-		if err != nil {
-			return fmt.Errorf("failed to encode ticket to update: %w", err)
-		}
-		queries[i] = s.client.B().Set().
-			Key(redisKeyTicketData(ticket.Id)).
-			Value(rueidis.BinaryString(data)).
-			Ex(s.opts.assignedDeleteTimeout).
-			Build()
-	}
-	for _, resp := range s.client.DoMulti(ctx, queries...) {
-		if err := resp.Error(); err != nil {
-			return fmt.Errorf("failed to update assigned tickets: %w", err)
-		}
-	}
-	return nil
-}
-
 func (s *RedisStore) setTicketsExpiration(ctx context.Context, ticketIDs []string, expiration time.Duration) error {
 	queries := make([]rueidis.Completed, len(ticketIDs))
 	for i, ticketID := range ticketIDs {
diff --git a/tests/intergration_test.go b/tests/intergration_test.go
index d8dfc47..7a22033 100644
--- a/tests/intergration_test.go
+++ b/tests/intergration_test.go
@@ -55,6 +55,7 @@ func TestFrontend(t *testing.T) {
 	ctx := context.Background()
 
 	resp, err := c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: "invalid"})
+	require.Error(t, err)
 	requireErrorCode(t, err, codes.NotFound)
 
 	t1 := mustCreateTicket(ctx, t, c, &pb.Ticket{})