diff --git a/hack/.staticcheck_failures b/hack/.staticcheck_failures
index b53a43a9462..e37d1c7ce72 100644
--- a/hack/.staticcheck_failures
+++ b/hack/.staticcheck_failures
@@ -20,7 +20,6 @@ pkg/registry/core/service/ipallocator
 pkg/registry/core/service/portallocator
 pkg/registry/core/service/storage
 pkg/util/coverage
-pkg/util/ebtables
 pkg/util/ipconfig
 pkg/util/iptables
 pkg/util/ipvs/testing
diff --git a/pkg/util/ebtables/ebtables.go b/pkg/util/ebtables/ebtables.go
index ae84b5d0a16..4e88d19e62c 100644
--- a/pkg/util/ebtables/ebtables.go
+++ b/pkg/util/ebtables/ebtables.go
@@ -20,7 +20,6 @@ import (
 	"fmt"
 	"regexp"
 	"strings"
-	"sync"
 
 	utilexec "k8s.io/utils/exec"
 )
@@ -86,7 +85,6 @@ type Interface interface {
 
 // runner implements Interface in terms of exec("ebtables").
 type runner struct {
-	mu   sync.Mutex
 	exec utilexec.Interface
 }