diff --git a/src/net/interface_test.go b/src/net/interface_test.go
index 0e5c2e3..567d18d 100644
--- a/src/net/interface_test.go
+++ b/src/net/interface_test.go
@@ -229,7 +229,7 @@
 }
 
 func BenchmarkInterfaces(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	for i := 0; i < b.N; i++ {
 		if _, err := Interfaces(); err != nil {
@@ -239,7 +239,7 @@
 }
 
 func BenchmarkInterfaceByIndex(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	ifi := loopbackInterface()
 	if ifi == nil {
@@ -253,7 +253,7 @@
 }
 
 func BenchmarkInterfaceByName(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	ifi := loopbackInterface()
 	if ifi == nil {
@@ -267,7 +267,7 @@
 }
 
 func BenchmarkInterfaceAddrs(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	for i := 0; i < b.N; i++ {
 		if _, err := InterfaceAddrs(); err != nil {
@@ -277,7 +277,7 @@
 }
 
 func BenchmarkInterfacesAndAddrs(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	ifi := loopbackInterface()
 	if ifi == nil {
@@ -291,7 +291,7 @@
 }
 
 func BenchmarkInterfacesAndMulticastAddrs(b *testing.B) {
-	testHookUninstaller.Do(func() { uninstallTestHooks() })
+	testHookUninstaller.Do(uninstallTestHooks)
 
 	ifi := loopbackInterface()
 	if ifi == nil {