diff --git a/net/arp.go b/net/arp.go
index 4a4e0d78..bbd6dd7b 100644
--- a/net/arp.go
+++ b/net/arp.go
@@ -17,10 +17,7 @@ func ConfigureARPCache(procPath, name string) error {
 	if err := sysctl(procPath, fmt.Sprintf("net/ipv4/neigh/%s/delay_first_probe_time", name), "2"); err != nil {
 		return err
 	}
-	if err := sysctl(procPath, fmt.Sprintf("net/ipv4/neigh/%s/ucast_solicit", name), "1"); err != nil {
-		return err
-	}
-	return nil
+	return sysctl(procPath, fmt.Sprintf("net/ipv4/neigh/%s/ucast_solicit", name), "1")
 }
 
 func sysctl(procPath, variable, value string) error {
diff --git a/net/bridge.go b/net/bridge.go
index 61c9fc2c..54fd70bd 100644
--- a/net/bridge.go
+++ b/net/bridge.go
@@ -383,11 +383,7 @@ func (bf bridgedFastdpImpl) init(config *BridgeConfig) error {
 		return errors.Wrap(err, "creating bridged fastdp veth pair")
 	}
 
-	if err := linkSetUpByName(bf.datapathName); err != nil {
-		return err
-	}
-
-	return nil
+	return linkSetUpByName(bf.datapathName)
 }
 
 func (b bridgeImpl) attach(veth *netlink.Veth) error {
@@ -473,11 +469,7 @@ func configureIPTables(config *BridgeConfig) error {
 	if err = ipt.ClearChain("nat", "WEAVE"); err != nil {
 		return errors.Wrap(err, "clearing WEAVE chain")
 	}
-	if err = ipt.AppendUnique("nat", "POSTROUTING", "-j", "WEAVE"); err != nil {
-		return err
-	}
-
-	return nil
+	return ipt.AppendUnique("nat", "POSTROUTING", "-j", "WEAVE")
 }
 
 func linkSetUpByName(linkName string) error {
diff --git a/net/ipsec/ipsec.go b/net/ipsec/ipsec.go
index 3e60603a..f58110ab 100644
--- a/net/ipsec/ipsec.go
+++ b/net/ipsec/ipsec.go
@@ -421,10 +421,7 @@ func (ipsec *IPSec) installDropNonEncrypted(srcIP, dstIP net.IP, udpPort int, in
 
 func (ipsec *IPSec) removeDropNonEncrypted(srcIP, dstIP net.IP, udpPort int, inSPI SPI) error {
 	rules := rulesDropNonEncrypted(srcIP, dstIP, udpPort, inSPI)
-	if err := ipsec.resetRules(rules, true); err != nil {
-		return err
-	}
-	return nil
+	return ipsec.resetRules(rules, true)
 }
 
 func (ipsec *IPSec) removeDropNonEncryptedInbound(srcIP, dstIP net.IP, inSPI SPI) error {
diff --git a/net/veth.go b/net/veth.go
index c42c2713..9a336ab5 100644
--- a/net/veth.go
+++ b/net/veth.go
@@ -218,11 +218,7 @@ func SetupIface(ifaceName, newIfName string) error {
 	if err := ConfigureARPCache("/proc", newIfName); err != nil {
 		return err
 	}
-	if err := ipt.Append("filter", "INPUT", "-i", newIfName, "-d", "224.0.0.0/4", "-j", "DROP"); err != nil {
-		return err
-	}
-
-	return nil
+	return ipt.Append("filter", "INPUT", "-i", newIfName, "-d", "224.0.0.0/4", "-j", "DROP")
 }
 
 // NB: This function can be used only by a process that terminates immediately
@@ -332,8 +328,5 @@ func ExposeNAT(ipnet net.IPNet) error {
 	if err := addNatRule(ipt, "-d", cidr, "!", "-s", cidr, "-j", "MASQUERADE"); err != nil {
 		return err
 	}
-	if err := addNatRule(ipt, "-s", cidr, "!", "-d", cidr, "-j", "MASQUERADE"); err != nil {
-		return err
-	}
-	return nil
+	return addNatRule(ipt, "-s", cidr, "!", "-d", cidr, "-j", "MASQUERADE")
 }
diff --git a/npc/namespace.go b/npc/namespace.go
index 222cdf02..1925ec71 100644
--- a/npc/namespace.go
+++ b/npc/namespace.go
@@ -65,10 +65,7 @@ func (ns *ns) empty() bool {
 }
 
 func (ns *ns) destroy() error {
-	if err := ns.podSelectors.deprovision(ns.uid, map[string]*selectorSpec{ns.allPods.key: ns.allPods}, nil); err != nil {
-		return err
-	}
-	return nil
+	return ns.podSelectors.deprovision(ns.uid, map[string]*selectorSpec{ns.allPods.key: ns.allPods}, nil)
 }
 
 func (ns *ns) onNewPodSelector(selector *selector) error {
@@ -180,11 +177,7 @@ func (ns *ns) addNetworkPolicy(obj *extnapi.NetworkPolicy) error {
 	if err := ns.podSelectors.provision(obj.ObjectMeta.UID, nil, podSelectors); err != nil {
 		return err
 	}
-	if err := ns.rules.provision(obj.ObjectMeta.UID, nil, rules); err != nil {
-		return err
-	}
-
-	return nil
+	return ns.rules.provision(obj.ObjectMeta.UID, nil, rules)
 }
 
 func (ns *ns) updateNetworkPolicy(oldObj, newObj *extnapi.NetworkPolicy) error {
@@ -217,11 +210,7 @@ func (ns *ns) updateNetworkPolicy(oldObj, newObj *extnapi.NetworkPolicy) error {
 	if err := ns.podSelectors.provision(oldObj.ObjectMeta.UID, oldPodSelectors, newPodSelectors); err != nil {
 		return err
 	}
-	if err := ns.rules.provision(oldObj.ObjectMeta.UID, oldRules, newRules); err != nil {
-		return err
-	}
-
-	return nil
+	return ns.rules.provision(oldObj.ObjectMeta.UID, oldRules, newRules)
 }
 
 func (ns *ns) deleteNetworkPolicy(obj *extnapi.NetworkPolicy) error {
@@ -240,11 +229,7 @@ func (ns *ns) deleteNetworkPolicy(obj *extnapi.NetworkPolicy) error {
 	if err := ns.nsSelectors.deprovision(obj.ObjectMeta.UID, nsSelectors, nil); err != nil {
 		return err
 	}
-	if err := ns.podSelectors.deprovision(obj.ObjectMeta.UID, podSelectors, nil); err != nil {
-		return err
-	}
-
-	return nil
+	return ns.podSelectors.deprovision(obj.ObjectMeta.UID, podSelectors, nil)
 }
 
 func bypassRule(nsIpsetName ipset.Name, namespace string) []string {
diff --git a/prog/weave-npc/main.go b/prog/weave-npc/main.go
index 7e877c00..2821bd7d 100644
--- a/prog/weave-npc/main.go
+++ b/prog/weave-npc/main.go
@@ -50,11 +50,7 @@ func resetIPTables(ipt *iptables.IPTables) error {
 		return err
 	}
 
-	if err := ipt.ClearChain(npc.TableFilter, npc.MainChain); err != nil {
-		return err
-	}
-
-	return nil
+	return ipt.ClearChain(npc.TableFilter, npc.MainChain)
 }
 
 func resetIPSets(ips ipset.Interface) error {
@@ -116,12 +112,8 @@ func createBaseRules(ipt *iptables.IPTables, ips ipset.Interface) error {
 	if err := ips.Create(npc.LocalIpset, ipset.HashIP); err != nil {
 		return err
 	}
-	if err := ipt.Append(npc.TableFilter, npc.MainChain,
-		"-m", "set", "!", "--match-set", npc.LocalIpset, "dst", "-j", "ACCEPT"); err != nil {
-		return err
-	}
-
-	return nil
+	return ipt.Append(npc.TableFilter, npc.MainChain,
+		"-m", "set", "!", "--match-set", npc.LocalIpset, "dst", "-j", "ACCEPT")
 }
 
 func root(cmd *cobra.Command, args []string) {
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 893168bc..c106913c 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -330,11 +330,7 @@ func copyOwnerAndPermissions(from, to string) error {
 		return nil
 	}
 
-	if err = os.Chown(to, int(moreStat.Uid), int(moreStat.Gid)); err != nil {
-		return err
-	}
-
-	return nil
+	return os.Chown(to, int(moreStat.Uid), int(moreStat.Gid))
 }
 
 func (proxy *Proxy) listen(protoAndAddr string) (net.Listener, string, error) {