@@ -543,12 +543,7 @@ func (nDB *NetworkDB) bulkSyncTables() {

 		// successfully completed bulk sync in this iteration.

 		updatedNetworks := make([]string, 0, len(networks))

 		for _, nid := range networks {

-			var found bool

-			if slices.Contains(completed, nid) {

-				found = true

-			}

-

-			if !found {

+			if !slices.Contains(completed, nid) {

 				updatedNetworks = append(updatedNetworks, nid)

 			}

 		}

@@ -154,10 +154,7 @@ func (nDB *NetworkDB) handleTableEvent(tEvent *TableEvent, isBulkSync bool) bool

 	network, ok := nDB.thisNodeNetworks[tEvent.NetworkID]

 	// Check if the owner of the event is still part of the network

 	nodes := nDB.networkNodes[tEvent.NetworkID]

-	var nodePresent bool

-	if slices.Contains(nodes, tEvent.NodeName) {

-		nodePresent = true

-	}

+	nodePresent := slices.Contains(nodes, tEvent.NodeName)

 	if !ok || network.leaving || !nodePresent {

 		// I'm out of the network OR the event owner is not anymore part of the network so do not propagate

@@ -730,8 +730,7 @@ func (nDB *NetworkDB) LeaveNetwork(nid string) error {

 // in the passed network only if it is not already present. Caller

 // should hold the NetworkDB lock while calling this

 func (nDB *NetworkDB) addNetworkNode(nid string, nodeName string) {

-	nodes := nDB.networkNodes[nid]

-	if slices.Contains(nodes, nodeName) {

+	if slices.Contains(nDB.networkNodes[nid], nodeName) {

 		return

 	}

@@ -466,12 +466,6 @@ var (

 	}

 )

-// inSlice tests whether a string is contained in a slice of strings or not.

-// Comparison is case sensitive

-func inSlice(slice []string, s string) bool {

-	return slices.Contains(slice, s)

-}

-

 // withMounts sets the container's mounts

 func withMounts(daemon *Daemon, daemonCfg *configStore, c *container.Container, mounts []container.Mount) coci.SpecOpts {

 	return func(ctx context.Context, _ coci.Client, _ *containers.Container, s *coci.Spec) error {

@@ -641,7 +635,7 @@ func withMounts(daemon *Daemon, daemonCfg *configStore, c *container.Container,

 					continue

 				}

 				if _, ok := userMounts[m.Destination]; !ok {

-					if !inSlice(m.Options, "ro") {

+					if !slices.Contains(m.Options, "ro") {

 						s.Mounts[i].Options = append(s.Mounts[i].Options, "ro")

 					}

 				}

@@ -4,6 +4,7 @@ import (

 	"context"

 	"os"

 	"path/filepath"

+	"slices"

 	"testing"

 	"github.com/google/go-cmp/cmp/cmpopts"

@@ -119,7 +120,7 @@ func TestIpcPrivateVsReadonly(t *testing.T) {

 		if m.Destination != "/dev/shm" {

 			continue

 		}

-		assert.Check(t, is.Equal(false, inSlice(m.Options, "ro")))

+		assert.Check(t, is.Equal(false, slices.Contains(m.Options, "ro")))

 	}

 }

@@ -38,11 +38,6 @@ func knownCapabilities() map[string]*struct{} {

 	return knownCaps

 }

-// inSlice tests whether a string is contained in a slice of strings or not.

-func inSlice(slice []string, s string) bool {

-	return slices.Contains(slice, s)

-}

-

 const allCapabilities = "ALL"

 // NormalizeLegacyCapabilities normalizes, and validates CapAdd/CapDrop capabilities

@@ -99,20 +94,20 @@ func TweakCapabilities(basics, adds, drops []string, privileged bool) ([]string,

 	var caps []string

 	switch {

-	case inSlice(capAdd, allCapabilities):

+	case slices.Contains(capAdd, allCapabilities):

 		// Add all capabilities except ones on capDrop

 		for _, c := range GetAllCapabilities() {

-			if !inSlice(capDrop, c) {

+			if !slices.Contains(capDrop, c) {

 				caps = append(caps, c)

 			}

 		}

-	case inSlice(capDrop, allCapabilities):

+	case slices.Contains(capDrop, allCapabilities):

 		// "Drop" all capabilities; use what's in capAdd instead

 		caps = capAdd

 	default:

 		// First drop some capabilities

 		for _, c := range basics {

-			if !inSlice(capDrop, c) {

+			if !slices.Contains(capDrop, c) {

 				caps = append(caps, c)

 			}

 		}

@@ -2,6 +2,7 @@ package caps

 import (

 	"context"

+	"slices"

 	"sync"

 	ccaps "github.com/containerd/containerd/v2/pkg/cap"

@@ -27,7 +28,7 @@ func initCaps() {

 			// old (pre-detection) behavior, and prevents creating containers with

 			// no capabilities. The OCI runtime or kernel may still refuse capa-

 			// bilities that are not available, and produce an error in that case.

-			if len(curCaps) > 0 && !inSlice(curCaps, capName) {

+			if len(curCaps) > 0 && !slices.Contains(curCaps, capName) {

 				knownCaps[capName] = nil

 				continue

 			}