diff --git a/integration/network/dns_test.go b/integration/network/dns_test.go
index f8037f0184..c4a50fe9a2 100644
--- a/integration/network/dns_test.go
+++ b/integration/network/dns_test.go
@@ -16,7 +16,7 @@ import (
 func TestDaemonDNSFallback(t *testing.T) {
 	skip.If(t, testEnv.IsRemoteDaemon, "cannot start daemon on remote test run")
 	skip.If(t, testEnv.DaemonInfo.OSType != "linux")
-	skip.If(t, IsUserNamespace())
+	skip.If(t, testEnv.IsUserNamespace)
 
 	d := daemon.New(t)
 	d.StartWithBusybox(t, "-b", "none", "--dns", "127.127.127.1", "--dns", "8.8.8.8")
diff --git a/integration/network/helpers.go b/integration/network/helpers.go
index e7b087d9cd..c5a1ffdc2b 100644
--- a/integration/network/helpers.go
+++ b/integration/network/helpers.go
@@ -5,7 +5,6 @@ package network
 import (
 	"context"
 	"fmt"
-	"os"
 	"testing"
 
 	"github.com/docker/docker/api/types"
@@ -86,9 +85,3 @@ func CheckKernelMajorVersionGreaterOrEqualThen(kernelVersion int, majorVersion i
 	}
 	return true
 }
-
-// IsUserNamespace returns whether the user namespace remapping is enabled
-func IsUserNamespace() bool {
-	root := os.Getenv("DOCKER_REMAP_ROOT")
-	return root != ""
-}
diff --git a/integration/network/helpers_windows.go b/integration/network/helpers_windows.go
index 0652c05dcf..35121fb200 100644
--- a/integration/network/helpers_windows.go
+++ b/integration/network/helpers_windows.go
@@ -3,7 +3,6 @@ package network
 import (
 	"context"
 	"fmt"
-	"os"
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/client"
@@ -41,9 +40,3 @@ func IsNetworkNotAvailable(c client.NetworkAPIClient, name string) cmp.Compariso
 		return cmp.ResultSuccess
 	}
 }
-
-// IsUserNamespace returns whether the user namespace remapping is enabled
-func IsUserNamespace() bool {
-	root := os.Getenv("DOCKER_REMAP_ROOT")
-	return root != ""
-}
diff --git a/integration/network/network_test.go b/integration/network/network_test.go
index 66fdcfe26a..ec0546aa0e 100644
--- a/integration/network/network_test.go
+++ b/integration/network/network_test.go
@@ -23,7 +23,7 @@ import (
 func TestRunContainerWithBridgeNone(t *testing.T) {
 	skip.If(t, testEnv.IsRemoteDaemon, "cannot start daemon on remote test run")
 	skip.If(t, testEnv.DaemonInfo.OSType != "linux")
-	skip.If(t, IsUserNamespace())
+	skip.If(t, testEnv.IsUserNamespace)
 	skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
 
 	d := daemon.New(t)