diff --git a/internal/rootcoord/meta_table.go b/internal/rootcoord/meta_table.go
index 4dc36c54b7..710fab2cab 100644
--- a/internal/rootcoord/meta_table.go
+++ b/internal/rootcoord/meta_table.go
@@ -91,9 +91,7 @@ type IMetaTable interface {
 	ListAliasesByID(collID UniqueID) []string
 
 	// TODO: better to accept ctx.
-	GetCollectionNameByID(collID UniqueID) (string, error)                                    // [Deprecated].
 	GetPartitionNameByID(collID UniqueID, partitionID UniqueID, ts Timestamp) (string, error) // serve for bulk load.
-	GetCollectionIDByName(name string) (UniqueID, error)                                      // [Deprecated].
 	GetPartitionByName(collID UniqueID, partitionName string, ts Timestamp) (UniqueID, error) // serve for bulk load.
 
 	// TODO: better to accept ctx.
diff --git a/internal/rootcoord/mocks/IMetaTable.go b/internal/rootcoord/mocks/IMetaTable.go
index 2c17cfc0d9..32b7ba29b6 100644
--- a/internal/rootcoord/mocks/IMetaTable.go
+++ b/internal/rootcoord/mocks/IMetaTable.go
@@ -248,48 +248,6 @@ func (_m *IMetaTable) GetCollectionByName(ctx context.Context, collectionName st
 	return r0, r1
 }
 
-// GetCollectionIDByName provides a mock function with given fields: name
-func (_m *IMetaTable) GetCollectionIDByName(name string) (int64, error) {
-	ret := _m.Called(name)
-
-	var r0 int64
-	if rf, ok := ret.Get(0).(func(string) int64); ok {
-		r0 = rf(name)
-	} else {
-		r0 = ret.Get(0).(int64)
-	}
-
-	var r1 error
-	if rf, ok := ret.Get(1).(func(string) error); ok {
-		r1 = rf(name)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// GetCollectionNameByID provides a mock function with given fields: collID
-func (_m *IMetaTable) GetCollectionNameByID(collID int64) (string, error) {
-	ret := _m.Called(collID)
-
-	var r0 string
-	if rf, ok := ret.Get(0).(func(int64) string); ok {
-		r0 = rf(collID)
-	} else {
-		r0 = ret.Get(0).(string)
-	}
-
-	var r1 error
-	if rf, ok := ret.Get(1).(func(int64) error); ok {
-		r1 = rf(collID)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
 // GetCollectionVirtualChannels provides a mock function with given fields: colID
 func (_m *IMetaTable) GetCollectionVirtualChannels(colID int64) []string {
 	ret := _m.Called(colID)
diff --git a/internal/rootcoord/root_coord.go b/internal/rootcoord/root_coord.go
index cedbc9428a..fa42b06ae9 100644
--- a/internal/rootcoord/root_coord.go
+++ b/internal/rootcoord/root_coord.go
@@ -810,7 +810,7 @@ func (c *Core) describeCollection(ctx context.Context, in *milvuspb.DescribeColl
 	if in.GetCollectionName() != "" {
 		return c.meta.GetCollectionByName(ctx, in.GetCollectionName(), ts)
 	}
-	return c.meta.GetCollectionByID(ctx, in.GetCollectionID(), in.GetTimeStamp())
+	return c.meta.GetCollectionByID(ctx, in.GetCollectionID(), ts)
 }
 
 func convertModelToDesc(collInfo *model.Collection, aliases []string) *milvuspb.DescribeCollectionResponse {