diff --git a/pkg/controller/tidbcluster/tidb_cluster_control.go b/pkg/controller/tidbcluster/tidb_cluster_control.go
index ac9fec3c7a..abb1757d65 100644
--- a/pkg/controller/tidbcluster/tidb_cluster_control.go
+++ b/pkg/controller/tidbcluster/tidb_cluster_control.go
@@ -24,7 +24,6 @@ import (
 	"github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1/defaulting"
 	v1alpha1validation "github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1/validation"
 	"github.com/pingcap/tidb-operator/pkg/controller"
-	"github.com/pingcap/tidb-operator/pkg/features"
 	"github.com/pingcap/tidb-operator/pkg/manager"
 	"github.com/pingcap/tidb-operator/pkg/manager/member"
 	"github.com/pingcap/tidb-operator/pkg/manager/volumes"
@@ -283,11 +282,9 @@ func (c *defaultTidbClusterControl) updateTidbCluster(tc *v1alpha1.TidbCluster)
 	}
 
 	// modify volumes if necessary
-	if features.DefaultFeatureGate.Enabled(features.VolumeModifying) {
-		if err := c.pvcModifier.Sync(tc); err != nil {
-			metrics.ClusterUpdateErrors.WithLabelValues(ns, tcName, "pvc_modifier").Inc()
-			return err
-		}
+	if err := c.pvcModifier.Sync(tc); err != nil {
+		metrics.ClusterUpdateErrors.WithLabelValues(ns, tcName, "pvc_modifier").Inc()
+		return err
 	}
 
 	// syncing the some tidbcluster status attributes
diff --git a/pkg/features/features.go b/pkg/features/features.go
index c1488b0d7f..ff57a15afd 100644
--- a/pkg/features/features.go
+++ b/pkg/features/features.go
@@ -48,6 +48,7 @@ const (
 	AutoScaling string = "AutoScaling"
 
 	// VolumeModifying controls whether allow to modify volumes
+	// NOTE: volume resize is always allowed even if this feature is disabled
 	VolumeModifying string = "VolumeModifying"
 )
 
diff --git a/pkg/manager/member/tikv_upgrader.go b/pkg/manager/member/tikv_upgrader.go
index 976ecd3f1f..06e6dd69f1 100644
--- a/pkg/manager/member/tikv_upgrader.go
+++ b/pkg/manager/member/tikv_upgrader.go
@@ -22,7 +22,6 @@ import (
 
 	"github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1"
 	"github.com/pingcap/tidb-operator/pkg/controller"
-	"github.com/pingcap/tidb-operator/pkg/features"
 	mngerutils "github.com/pingcap/tidb-operator/pkg/manager/utils"
 	"github.com/pingcap/tidb-operator/pkg/manager/volumes"
 	"github.com/pingcap/tidb-operator/pkg/pdapi"
@@ -211,14 +210,12 @@ func (u *tikvUpgrader) upgradeTiKVPod(tc *v1alpha1.TidbCluster, ordinal int32, n
 		return controller.RequeueErrorf("upgradeTiKVPod: evicting leader of pod %s for tc %s/%s", upgradePodName, ns, tcName)
 	}
 
-	if features.DefaultFeatureGate.Enabled(features.VolumeModifying) {
-		done, err = u.modifyVolumesBeforeUpgrade(tc, upgradePod)
-		if err != nil {
-			return fmt.Errorf("upgradeTiKVPod: failed to modify volumes of pod %s for tc %s/%s, error: %s", upgradePodName, ns, tcName, err)
-		}
-		if !done {
-			return controller.RequeueErrorf("upgradeTiKVPod: modifying volumes of pod %s for tc %s/%s", upgradePodName, ns, tcName)
-		}
+	done, err = u.modifyVolumesBeforeUpgrade(tc, upgradePod)
+	if err != nil {
+		return fmt.Errorf("upgradeTiKVPod: failed to modify volumes of pod %s for tc %s/%s, error: %s", upgradePodName, ns, tcName, err)
+	}
+	if !done {
+		return controller.RequeueErrorf("upgradeTiKVPod: modifying volumes of pod %s for tc %s/%s", upgradePodName, ns, tcName)
 	}
 
 	mngerutils.SetUpgradePartition(newSet, ordinal)
diff --git a/pkg/manager/volumes/pod_vol_modifier.go b/pkg/manager/volumes/pod_vol_modifier.go
index b7aa4bf67d..250acdb141 100644
--- a/pkg/manager/volumes/pod_vol_modifier.go
+++ b/pkg/manager/volumes/pod_vol_modifier.go
@@ -29,6 +29,7 @@ import (
 
 	"github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1"
 	"github.com/pingcap/tidb-operator/pkg/controller"
+	"github.com/pingcap/tidb-operator/pkg/features"
 	"github.com/pingcap/tidb-operator/pkg/manager/volumes/delegation"
 	"github.com/pingcap/tidb-operator/pkg/manager/volumes/delegation/aws"
 )
@@ -90,12 +91,15 @@ type podVolModifier struct {
 }
 
 func NewPodVolumeModifier(deps *controller.Dependencies) PodVolumeModifier {
-	return &podVolModifier{
-		deps: deps,
-		modifiers: map[string]delegation.VolumeModifier{
-			"ebs.csi.aws.com": aws.NewEBSModifier(deps.AWSConfig),
-		},
+	m := &podVolModifier{
+		deps:      deps,
+		modifiers: map[string]delegation.VolumeModifier{},
 	}
+	if features.DefaultFeatureGate.Enabled(features.VolumeModifying) {
+		m.modifiers["ebs.csi.aws.com"] = aws.NewEBSModifier(deps.AWSConfig)
+	}
+
+	return m
 }
 
 func (p *podVolModifier) ShouldModify(actual []ActualVolume) bool {