diff --git a/internal/core/src/common/Schema.h b/internal/core/src/common/Schema.h
index 99b720b739..9220887263 100644
--- a/internal/core/src/common/Schema.h
+++ b/internal/core/src/common/Schema.h
@@ -10,14 +10,16 @@
 // or implied. See the License for the specific language governing permissions and limitations under the License
 
 #pragma once
-#include "FieldMeta.h"
-#include <utility>
-#include <vector>
+
+#include <memory>
+#include <optional>
 #include <string>
 #include <unordered_map>
-#include <memory>
-#include <pb/schema.pb.h>
-#include <optional>
+#include <utility>
+#include <vector>
+
+#include "FieldMeta.h"
+#include "pb/schema.pb.h"
 
 namespace milvus {
 
@@ -109,15 +111,6 @@ class Schema {
         return sizeof_infos_;
     }
 
-    [[deprecated]] std::optional<FieldOffset>
-    get_offset_opt(const FieldName& field_name) const {
-        if (!name_offsets_.count(field_name)) {
-            return std::nullopt;
-        } else {
-            return name_offsets_.at(field_name);
-        }
-    }
-
     FieldOffset
     get_offset(const FieldName& field_name) const {
         Assert(name_offsets_.count(field_name));