@@ -5,12 +5,9 @@ package daemon // import "github.com/docker/docker/daemon"

 import (

 	"fmt"

-	"os"

-	"sync"

 	"github.com/containerd/containerd/pkg/apparmor"

 	aaprofile "github.com/docker/docker/profiles/apparmor"

-	"github.com/sirupsen/logrus"

 )

 // Define constants for native driver

@@ -19,11 +16,6 @@ const (

 	defaultAppArmorProfile    = "docker-default"

 )

-var (

-	checkAppArmorOnce   sync.Once

-	isAppArmorAvailable bool

-)

-

 // DefaultApparmorProfile returns the name of the default apparmor profile

 func DefaultApparmorProfile() string {

 	if apparmor.HostSupports() {

@@ -33,20 +25,7 @@ func DefaultApparmorProfile() string {

 }

 func ensureDefaultAppArmorProfile() error {

-	checkAppArmorOnce.Do(func() {

-		if apparmor.HostSupports() {

-			// Restore the apparmor_parser check removed in containerd:

-			// https://github.com/containerd/containerd/commit/1acca8bba36e99684ee3489ea4a42609194ca6b9

-			// Fixes: https://github.com/moby/moby/issues/44900

-			if _, err := os.Stat("/sbin/apparmor_parser"); err == nil {

-				isAppArmorAvailable = true

-			} else {

-				logrus.Warn("AppArmor enabled on system but \"apparmor_parser\" binary is missing, so profile can't be loaded")

-			}

-		}

-	})

-

-	if isAppArmorAvailable {

+	if apparmor.HostSupports() {

 		loaded, err := aaprofile.IsLoaded(defaultAppArmorProfile)

 		if err != nil {

 			return fmt.Errorf("Could not check if %s AppArmor profile was loaded: %s", defaultAppArmorProfile, err)