diff --git a/components/cli/command/stack/common.go b/components/cli/command/stack/common.go
index 920a1af0cc..4ae8184933 100644
--- a/components/cli/command/stack/common.go
+++ b/components/cli/command/stack/common.go
@@ -9,18 +9,6 @@ import (
 	"github.com/docker/docker/client"
 )
 
-const (
-	labelNamespace = "com.docker.stack.namespace"
-)
-
-func getStackLabels(namespace string, labels map[string]string) map[string]string {
-	if labels == nil {
-		labels = make(map[string]string)
-	}
-	labels[labelNamespace] = namespace
-	return labels
-}
-
 func getStackFilter(namespace string) filters.Args {
 	filter := filters.NewArgs()
 	filter.Add("label", labelNamespace+"="+namespace)
@@ -46,11 +34,3 @@ func getStackNetworks(
 		ctx,
 		types.NetworkListOptions{Filters: getStackFilter(namespace)})
 }
-
-type namespace struct {
-	name string
-}
-
-func (n namespace) scope(name string) string {
-	return n.name + "_" + name
-}
diff --git a/components/cli/command/stack/deploy.go b/components/cli/command/stack/deploy.go
index 00a7634a0a..f1ab65ce95 100644
--- a/components/cli/command/stack/deploy.go
+++ b/components/cli/command/stack/deploy.go
@@ -179,51 +179,6 @@ func getConfigFile(filename string) (*composetypes.ConfigFile, error) {
 	}, nil
 }
 
-func convertNetworks(
-	namespace namespace,
-	networks map[string]composetypes.NetworkConfig,
-) (map[string]types.NetworkCreate, []string) {
-	if networks == nil {
-		networks = make(map[string]composetypes.NetworkConfig)
-	}
-
-	// TODO: only add default network if it's used
-	networks["default"] = composetypes.NetworkConfig{}
-
-	externalNetworks := []string{}
-	result := make(map[string]types.NetworkCreate)
-
-	for internalName, network := range networks {
-		if network.External.External {
-			externalNetworks = append(externalNetworks, network.External.Name)
-			continue
-		}
-
-		createOpts := types.NetworkCreate{
-			Labels:  getStackLabels(namespace.name, network.Labels),
-			Driver:  network.Driver,
-			Options: network.DriverOpts,
-		}
-
-		if network.Ipam.Driver != "" || len(network.Ipam.Config) > 0 {
-			createOpts.IPAM = &networktypes.IPAM{}
-		}
-
-		if network.Ipam.Driver != "" {
-			createOpts.IPAM.Driver = network.Ipam.Driver
-		}
-		for _, ipamConfig := range network.Ipam.Config {
-			config := networktypes.IPAMConfig{
-				Subnet: ipamConfig.Subnet,
-			}
-			createOpts.IPAM.Config = append(createOpts.IPAM.Config, config)
-		}
-		result[internalName] = createOpts
-	}
-
-	return result, externalNetworks
-}
-
 func validateExternalNetworks(
 	ctx context.Context,
 	dockerCli *command.DockerCli,