diff --git a/src/Infrastructure/Database/ExperionDbContext.cs b/src/Infrastructure/Database/ExperionDbContext.cs
index 0ea7a02..4813b07 100644
--- a/src/Infrastructure/Database/ExperionDbContext.cs
+++ b/src/Infrastructure/Database/ExperionDbContext.cs
@@ -311,10 +311,7 @@ public class ExperionDbService : IExperionDbService
                   instate1_rt.livevalue AS instate1,
                   instate2_rt.livevalue AS instate2,
                   desc_md.value AS description,
-                  area_md.value AS area,
-                  s0d_md.value AS state0_descriptor,
-                  s1d_md.value AS state1_descriptor,
-                  s2d_md.value AS state2_descriptor
+                  area_md.value AS area
                 FROM (SELECT DISTINCT split_part(tagname, '.', 1) AS base_tag FROM realtime_table) rt_base
                 LEFT JOIN realtime_table pv_rt ON pv_rt.tagname = rt_base.base_tag || '.pv'
                 LEFT JOIN realtime_table sp_rt ON sp_rt.tagname = rt_base.base_tag || '.sp'
@@ -324,9 +321,15 @@ public class ExperionDbService : IExperionDbService
                 LEFT JOIN realtime_table instate2_rt ON instate2_rt.tagname = rt_base.base_tag || '.instate2'
                 LEFT JOIN tag_metadata desc_md ON desc_md.base_tag = rt_base.base_tag AND desc_md.attribute = 'desc'
                 LEFT JOIN tag_metadata area_md ON area_md.base_tag = rt_base.base_tag AND area_md.attribute = 'area'
-                LEFT JOIN tag_metadata s0d_md ON s0d_md.base_tag = rt_base.base_tag AND s0d_md.attribute = 'state0descriptor'
-                LEFT JOIN tag_metadata s1d_md ON s1d_md.base_tag = rt_base.base_tag AND s1d_md.attribute = 'state1descriptor'
-                LEFT JOIN tag_metadata s2d_md ON s2d_md.base_tag = rt_base.base_tag AND s2d_md.attribute = 'state2descriptor'
+                """);
+
+            // state descriptor 고아 데이터 정리 (state0~7descriptor는 더 이상 로딩하지 않음)
+            await _ctx.Database.ExecuteSqlRawAsync("""
+                DELETE FROM tag_metadata WHERE attribute IN (
+                    'state0descriptor', 'state1descriptor', 'state2descriptor',
+                    'state3descriptor', 'state4descriptor', 'state5descriptor',
+                    'state6descriptor', 'state7descriptor'
+                )
                 """);
 
             // history 테이블은 수동으로 하이퍼테이블 생성 필요