diff --git a/errors.go b/errors.go
index 7933fee..48f9326 100644
--- a/errors.go
+++ b/errors.go
@@ -7,7 +7,6 @@ var (
 	// Config errors
 	InvalidKeepaliveTimeout = errors.New("keepalive timeout cannot be negative")
 	InvalidReconnectDelay   = errors.New("reconnect delay cannot be negative")
-	InvalidMaxQueueSize     = errors.New("maximum queue size cannot be negative")
 	InvalidBufferSize       = errors.New("buffer size must be greater than zero")
 
 	// Pool errors
diff --git a/pool.go b/pool.go
index c4bc77c..7d44e3a 100644
--- a/pool.go
+++ b/pool.go
@@ -142,7 +142,7 @@ func (p *Pool) Peers() []string {
 	defer p.mu.RUnlock()
 
 	ids := make([]string, 0, len(p.peers))
-	for i, _ := range p.peers {
+	for i := range p.peers {
 		ids = append(ids, i)
 	}
 	return ids
@@ -255,9 +255,11 @@ func (p *Pool) Connect(id string) error {
 	}
 
 	var logger *slog.Logger
-	if p.handler != nil && p.config.WorkerConfig.LoggingEnabled {
-		logger = logging.NewOutboundWorkerLogger(
-			logging.WrapOrDefault(p.config.WorkerConfig.LogLevel, p.handler), p.id, id)
+	if p.handler != nil && p.config.WorkerConfig != nil {
+		if p.config.WorkerConfig.LoggingEnabled {
+			logger = logging.NewOutboundWorkerLogger(
+				logging.WrapOrDefault(p.config.WorkerConfig.LogLevel, p.handler), p.id, id)
+		}
 	}
 
 	// The worker factory must be non-blocking to avoid deadlocks