diff --git a/commands/build.go b/commands/build.go
index 97536508..7abe4300 100644
--- a/commands/build.go
+++ b/commands/build.go
@@ -338,7 +338,7 @@ func runBuild(ctx context.Context, dockerCli command.Cli, options buildOptions)
 	done := timeBuildCommand(mp, attributes)
 	var resp *client.SolveResponse
 	var retErr error
-	if isExperimental() {
+	if confutil.IsExperimental() {
 		resp, retErr = runControllerBuild(ctx, dockerCli, opts, options, printer)
 	} else {
 		resp, retErr = runBasicBuild(ctx, dockerCli, opts, options, printer)
@@ -589,7 +589,7 @@ func buildCmd(dockerCli command.Cli, rootOpts *rootOptions, debugConfig *debug.D
 
 	flags.StringArrayVar(&options.platforms, "platform", platformsDefault, "Set target platform for build")
 
-	if isExperimental() {
+	if confutil.IsExperimental() {
 		flags.StringVar(&options.printFunc, "print", "", "Print result of information request (e.g., outline, targets)")
 		cobrautil.MarkFlagsExperimental(flags, "print")
 	}
@@ -617,7 +617,7 @@ func buildCmd(dockerCli command.Cli, rootOpts *rootOptions, debugConfig *debug.D
 	flags.StringVar(&options.sbom, "sbom", "", `Shorthand for "--attest=type=sbom"`)
 	flags.StringVar(&options.provenance, "provenance", "", `Shorthand for "--attest=type=provenance"`)
 
-	if isExperimental() {
+	if confutil.IsExperimental() {
 		// TODO: move this to debug command if needed
 		flags.StringVar(&options.Root, "root", "", "Specify root directory of server to connect")
 		flags.BoolVar(&options.Detach, "detach", false, "Detach buildx server (supported only on linux)")
@@ -762,14 +762,6 @@ func (w *wrapped) Unwrap() error {
 	return w.err
 }
 
-func isExperimental() bool {
-	if v, ok := os.LookupEnv("BUILDX_EXPERIMENTAL"); ok {
-		vv, _ := strconv.ParseBool(v)
-		return vv
-	}
-	return false
-}
-
 func updateLastActivity(dockerCli command.Cli, ng *store.NodeGroup) error {
 	txn, release, err := storeutil.GetStore(dockerCli)
 	if err != nil {
diff --git a/commands/root.go b/commands/root.go
index cf351200..8c0d8627 100644
--- a/commands/root.go
+++ b/commands/root.go
@@ -7,6 +7,7 @@ import (
 	imagetoolscmd "github.com/docker/buildx/commands/imagetools"
 	"github.com/docker/buildx/controller/remote"
 	"github.com/docker/buildx/util/cobrautil/completion"
+	"github.com/docker/buildx/util/confutil"
 	"github.com/docker/buildx/util/logutil"
 	"github.com/docker/cli-docs-tool/annotation"
 	"github.com/docker/cli/cli"
@@ -63,7 +64,7 @@ func NewRootCmd(name string, isPlugin bool, dockerCli command.Cli) *cobra.Comman
 		"using default config store",
 	))
 
-	if !isExperimental() {
+	if !confutil.IsExperimental() {
 		cmd.SetHelpTemplate(cmd.HelpTemplate() + "\nExperimental commands and flags are hidden. Set BUILDX_EXPERIMENTAL=1 to show them.\n")
 	}
 
@@ -96,7 +97,7 @@ func addCommands(cmd *cobra.Command, dockerCli command.Cli) {
 		duCmd(dockerCli, opts),
 		imagetoolscmd.RootCmd(dockerCli, imagetoolscmd.RootOptions{Builder: &opts.builder}),
 	)
-	if isExperimental() {
+	if confutil.IsExperimental() {
 		cmd.AddCommand(debugcmd.RootCmd(dockerCli,
 			newDebuggableBuild(dockerCli, opts),
 		))