diff --git a/collector/cpu_openbsd_amd64.go b/collector/cpu_openbsd_amd64.go
index 293cc41e..83174986 100644
--- a/collector/cpu_openbsd_amd64.go
+++ b/collector/cpu_openbsd_amd64.go
@@ -33,13 +33,13 @@ type clockinfo struct {
 }
 
 const (
-	CP_USER   = 0
-	CP_NICE   = 1
-	CP_SYS    = 2
-	CP_SPIN   = 3
-	CP_INTR   = 4
-	CP_IDLE   = 5
-	CPUSTATES = 6
+	CP_USER = iota
+	CP_NICE
+	CP_SYS
+	CP_SPIN
+	CP_INTR
+	CP_IDLE
+	CPUSTATES
 )
 
 type cpuCollector struct {
diff --git a/collector/interrupts_openbsd_amd64.go b/collector/interrupts_openbsd_amd64.go
index 2d1847e2..fa3155c6 100644
--- a/collector/interrupts_openbsd_amd64.go
+++ b/collector/interrupts_openbsd_amd64.go
@@ -67,9 +67,7 @@ func intr(idx _C_int) (itr interrupt, err error) {
 	return
 }
 
-var (
-	interruptLabelNames = []string{"cpu", "type", "devices"}
-)
+var interruptLabelNames = []string{"cpu", "type", "devices"}
 
 func (c *interruptsCollector) Update(ch chan<- prometheus.Metric) error {
 	interrupts, err := getInterrupts()
@@ -97,7 +95,6 @@ type interrupt struct {
 
 func getInterrupts() (map[string]interrupt, error) {
 	var interrupts = map[string]interrupt{}
-
 	n := nintr()
 
 	for i := _C_int(0); i < n; i++ {
@@ -105,7 +102,6 @@ func getInterrupts() (map[string]interrupt, error) {
 		if err != nil {
 			return nil, err
 		}
-
 		interrupts[itr.device] = itr
 	}
 
diff --git a/collector/meminfo_openbsd_amd64.go b/collector/meminfo_openbsd_amd64.go
index 418e3d75..814cdb2e 100644
--- a/collector/meminfo_openbsd_amd64.go
+++ b/collector/meminfo_openbsd_amd64.go
@@ -26,7 +26,6 @@ func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
 		return nil, err
 	}
 	uvmexp := *(*unix.Uvmexp)(unsafe.Pointer(&uvmexpb[0]))
-
 	ps := float64(uvmexp.Pagesize)
 
 	// see uvm(9)
diff --git a/collector/netdev_openbsd_amd64.go b/collector/netdev_openbsd_amd64.go
index 37227b49..48b89b81 100644
--- a/collector/netdev_openbsd_amd64.go
+++ b/collector/netdev_openbsd_amd64.go
@@ -63,17 +63,17 @@ func getNetDevStats(ignore *regexp.Regexp, accept *regexp.Regexp, logger log.Log
 			continue
 		}
 
-		devStats := map[string]string{}
-		devStats["receive_packets"] = strconv.Itoa(int(data.Ipackets))
-		devStats["transmit_packets"] = strconv.Itoa(int(data.Opackets))
-		devStats["receive_errs"] = strconv.Itoa(int(data.Ierrors))
-		devStats["transmit_errs"] = strconv.Itoa(int(data.Oerrors))
-		devStats["receive_bytes"] = strconv.Itoa(int(data.Ibytes))
-		devStats["transmit_bytes"] = strconv.Itoa(int(data.Obytes))
-		devStats["receive_multicast"] = strconv.Itoa(int(data.Imcasts))
-		devStats["transmit_multicast"] = strconv.Itoa(int(data.Omcasts))
-		devStats["receive_drop"] = strconv.Itoa(int(data.Iqdrops))
-		netDev[dev] = devStats
+		netDev[dev] = map[string]string{
+			"receive_packets":    strconv.Itoa(int(data.Ipackets)),
+			"transmit_packets":   strconv.Itoa(int(data.Opackets)),
+			"receive_errs":       strconv.Itoa(int(data.Ierrors)),
+			"transmit_errs":      strconv.Itoa(int(data.Oerrors)),
+			"receive_bytes":      strconv.Itoa(int(data.Ibytes)),
+			"transmit_bytes":     strconv.Itoa(int(data.Obytes)),
+			"receive_multicast":  strconv.Itoa(int(data.Imcasts)),
+			"transmit_multicast": strconv.Itoa(int(data.Omcasts)),
+			"receive_drop":       strconv.Itoa(int(data.Iqdrops)),
+		}
 	}
 	return netDev, nil
 }