diff --git a/cmd/postgres_exporter/probe.go b/cmd/postgres_exporter/probe.go
index 6f0e8b8a..2a7b29ec 100644
--- a/cmd/postgres_exporter/probe.go
+++ b/cmd/postgres_exporter/probe.go
@@ -61,21 +61,9 @@ func handleProbe(logger log.Logger, excludeDatabases []string) http.HandlerFunc
 
 		// TODO(@sysadmind): Timeout
 
-		// probeSuccessGauge := prometheus.NewGauge(prometheus.GaugeOpts{
-		// 	Name: "probe_success",
-		// 	Help: "Displays whether or not the probe was a success",
-		// })
-		// probeDurationGauge := prometheus.NewGauge(prometheus.GaugeOpts{
-		// 	Name: "probe_duration_seconds",
-		// 	Help: "Returns how long the probe took to complete in seconds",
-		// })
-
 		tl := log.With(logger, "target", target)
 
-		// start := time.Now()
 		registry := prometheus.NewRegistry()
-		// registry.MustRegister(probeSuccessGauge)
-		// registry.MustRegister(probeDurationGauge)
 
 		opts := []ExporterOpt{
 			DisableDefaultMetrics(*disableDefaultMetrics),
@@ -83,7 +71,7 @@ func handleProbe(logger log.Logger, excludeDatabases []string) http.HandlerFunc
 			AutoDiscoverDatabases(*autoDiscoverDatabases),
 			WithUserQueriesPath(*queriesPath),
 			WithConstantLabels(*constantLabelsList),
-			ExcludeDatabases(*excludeDatabases),
+			ExcludeDatabases(excludeDatabases),
 			IncludeDatabases(*includeDatabases),
 		}
 
diff --git a/collector/replication_slots.go b/collector/replication_slots.go
index 224db3cc..ed37441c 100644
--- a/collector/replication_slots.go
+++ b/collector/replication_slots.go
@@ -29,8 +29,8 @@ type PGReplicationSlotCollector struct {
 	log log.Logger
 }
 
-func NewPGReplicationSlotCollector(logger log.Logger) (Collector, error) {
-	return &PGReplicationSlotCollector{log: logger}, nil
+func NewPGReplicationSlotCollector(config collectorConfig) (Collector, error) {
+	return &PGReplicationSlotCollector{log: config.logger}, nil
 }
 
 var pgReplicationSlot = map[string]*prometheus.Desc{