diff --git a/pkg/mcs/scheduling/server/cluster.go b/pkg/mcs/scheduling/server/cluster.go
index 49f7fb4379fc..f58fba2ed0b3 100644
--- a/pkg/mcs/scheduling/server/cluster.go
+++ b/pkg/mcs/scheduling/server/cluster.go
@@ -103,15 +103,6 @@ func (c *Cluster) BucketsStats(degree int, regionIDs ...uint64) map[uint64][]*bu
 	return c.hotStat.BucketsStats(degree, regionIDs...)
 }
 
-<<<<<<< HEAD
-// TODO: implement the following methods
-=======
-// GetPersistOptions returns the persist options.
-func (c *Cluster) GetPersistOptions() sc.ConfProvider {
-	return c.persistConfig
-}
->>>>>>> remove some store config
-
 // GetStorage returns the storage.
 func (c *Cluster) GetStorage() storage.Storage {
 	return c.storage
@@ -123,6 +114,9 @@ func (c *Cluster) GetCheckerConfig() sc.CheckerConfigProvider { return c.persist
 // GetSchedulerConfig returns the scheduler config.
 func (c *Cluster) GetSchedulerConfig() sc.SchedulerConfigProvider { return c.persistConfig }
 
+// GetStoreConfig returns the store config.
+func (c *Cluster) GetStoreConfig() sc.StoreConfigProvider { return c.persistConfig }
+
 // TODO: implement the following methods
 
 // UpdateRegionsLabelLevelStats updates the region label level stats.
@@ -130,6 +124,3 @@ func (c *Cluster) UpdateRegionsLabelLevelStats(regions []*core.RegionInfo) {}
 
 // AllocID allocates a new ID.
 func (c *Cluster) AllocID() (uint64, error) { return 0, nil }
-
-// GetStoreConfig returns the store config.
-func (c *Cluster) GetStoreConfig() sc.StoreConfigProvider { return nil }
diff --git a/pkg/mcs/scheduling/server/config/config.go b/pkg/mcs/scheduling/server/config/config.go
index 7b396afe35b5..7839ec7f2749 100644
--- a/pkg/mcs/scheduling/server/config/config.go
+++ b/pkg/mcs/scheduling/server/config/config.go
@@ -564,6 +564,31 @@ func (o *PersistConfig) SetHaltScheduling(halt bool, source string) {
 	o.SetScheduleConfig(v)
 }
 
+// CheckRegionKeys return error if the smallest region's keys is less than mergeKeys
+func (o *PersistConfig) CheckRegionKeys(keys, mergeKeys uint64) error {
+	return o.GetStoreConfig().CheckRegionKeys(keys, mergeKeys)
+}
+
+// CheckRegionSize return error if the smallest region's size is less than mergeSize
+func (o *PersistConfig) CheckRegionSize(size, mergeSize uint64) error {
+	return o.GetStoreConfig().CheckRegionSize(size, mergeSize)
+}
+
+// GetRegionMaxSize returns the max region size in MB
+func (o *PersistConfig) GetRegionMaxSize() uint64 {
+	return o.GetStoreConfig().GetRegionMaxSize()
+}
+
+// GetRegionMaxKeys returns the region split keys
+func (o *PersistConfig) GetRegionMaxKeys() uint64 {
+	return o.GetStoreConfig().GetRegionMaxKeys()
+}
+
+// IsEnableRegionBucket return true if the region bucket is enabled.
+func (o *PersistConfig) IsEnableRegionBucket() bool {
+	return o.GetStoreConfig().IsEnableRegionBucket()
+}
+
 // TODO: implement the following methods
 
 // AddSchedulerCfg adds the scheduler configurations.
diff --git a/pkg/mock/mockcluster/mockcluster.go b/pkg/mock/mockcluster/mockcluster.go
index 8baa852117e8..ce392d26a391 100644
--- a/pkg/mock/mockcluster/mockcluster.go
+++ b/pkg/mock/mockcluster/mockcluster.go
@@ -84,12 +84,12 @@ func NewCluster(ctx context.Context, opts *config.PersistOptions) *Cluster {
 
 // GetStoreConfig returns the store config.
 func (mc *Cluster) GetStoreConfig() sc.StoreConfigProvider {
-	return mc
+	return mc.PersistOptions.GetStoreConfig()
 }
 
 // SetRegionBucketEnabled sets the region bucket enabled.
 func (mc *Cluster) SetRegionBucketEnabled(enabled bool) {
-	cfg, ok := mc.GetStoreConfig().(*config.StoreConfig)
+	cfg, ok := mc.GetStoreConfig().(*sc.StoreConfig)
 	if !ok || cfg == nil {
 		return
 	}
@@ -99,17 +99,17 @@ func (mc *Cluster) SetRegionBucketEnabled(enabled bool) {
 
 // GetCheckerConfig returns the checker config.
 func (mc *Cluster) GetCheckerConfig() sc.CheckerConfigProvider {
-	return mc
+	return mc.PersistOptions
 }
 
 // GetSchedulerConfig returns the scheduler config.
 func (mc *Cluster) GetSchedulerConfig() sc.SchedulerConfigProvider {
-	return mc
+	return mc.PersistOptions
 }
 
 // GetSharedConfig returns the shared config.
 func (mc *Cluster) GetSharedConfig() sc.SharedConfigProvider {
-	return mc
+	return mc.PersistOptions
 }
 
 // GetStorage returns the storage.
diff --git a/tests/integrations/client/client_test.go b/tests/integrations/client/client_test.go
index 712952cc2fcb..99b74078ad9b 100644
--- a/tests/integrations/client/client_test.go
+++ b/tests/integrations/client/client_test.go
@@ -39,6 +39,7 @@ import (
 	"github.com/tikv/pd/pkg/core"
 	"github.com/tikv/pd/pkg/errs"
 	"github.com/tikv/pd/pkg/mock/mockid"
+	sc "github.com/tikv/pd/pkg/schedule/config"
 	"github.com/tikv/pd/pkg/storage/endpoint"
 	"github.com/tikv/pd/pkg/tso"
 	"github.com/tikv/pd/pkg/utils/assertutil"
@@ -804,7 +805,7 @@ func (suite *clientTestSuite) SetupSuite() {
 		}))
 		suite.grpcSvr.GetRaftCluster().GetBasicCluster().PutStore(newStore)
 	}
-	cluster.GetStoreConfig().(*config.StoreConfig).SetRegionBucketEnabled(true)
+	cluster.GetStoreConfig().(*sc.StoreConfig).SetRegionBucketEnabled(true)
 }
 
 func (suite *clientTestSuite) TearDownSuite() {
@@ -893,7 +894,7 @@ func (suite *clientTestSuite) TestGetRegion() {
 		}
 		return r.Buckets != nil
 	})
-	suite.srv.GetRaftCluster().GetStoreConfig().(*config.StoreConfig).SetRegionBucketEnabled(false)
+	suite.srv.GetRaftCluster().GetStoreConfig().(*sc.StoreConfig).SetRegionBucketEnabled(false)
 
 	testutil.Eventually(re, func() bool {
 		r, err := suite.client.GetRegion(context.Background(), []byte("a"), pd.WithBuckets())
@@ -903,7 +904,7 @@ func (suite *clientTestSuite) TestGetRegion() {
 		}
 		return r.Buckets == nil
 	})
-	suite.srv.GetRaftCluster().GetStoreConfig().(*config.StoreConfig).SetRegionBucketEnabled(true)
+	suite.srv.GetRaftCluster().GetStoreConfig().(*sc.StoreConfig).SetRegionBucketEnabled(true)
 
 	suite.NoError(failpoint.Enable("github.com/tikv/pd/server/grpcClientClosed", `return(true)`))
 	suite.NoError(failpoint.Enable("github.com/tikv/pd/server/useForwardRequest", `return(true)`))