diff --git a/src/main/resources/mappers/estimate/estimateMapper.xml b/src/main/resources/mappers/estimate/estimateMapper.xml
index bff81d2f..a8e08298 100644
--- a/src/main/resources/mappers/estimate/estimateMapper.xml
+++ b/src/main/resources/mappers/estimate/estimateMapper.xml
@@ -399,40 +399,6 @@
                       ) T
              ) F
         ]]>
-        /*
-        SELECT
-              -- FORMAT(ISNULL(SUM(CASE WHEN T.MODULE_VOL_KW <![CDATA[ <= ]]> T.PC_VOL_KW THEN T.MODULE_VOL_KW ELSE T.PC_VOL_KW END), 0), '#,##0.000') AS CERT_VOL_KW
-              REPLACE(CONVERT(VARCHAR, SUM(CAST(ISNULL(
-                CASE
-                WHEN T.MODULE_VOL_KW <![CDATA[ <= ]]> T.PC_VOL_KW THEN T.MODULE_VOL_KW
-                ELSE T.PC_VOL_KW
-                END, 0) AS NUMERIC(18, 3))), 1), ',', '') AS CERT_VOL_KW
-        FROM
-        (
-            SELECT
-                  P.OBJECT_NO
-                , P.PLAN_NO
-                , PE.ITEM_ID
-                , PE.AMOUNT
-                , PE.SPECIFICATION
-                , I.ITEM_NAME
-                , ROUND((PE.AMOUNT * CAST(ISNULL(PE.SPECIFICATION, 0) AS FLOAT) / 1000), 4) AS PC_VOL_KW
-                , ISNULL((SELECT SUM((AMOUNT * CAST(ISNULL(SPECIFICATION, 0) AS FLOAT) / 1000))
-                          FROM T_PART_ROOF_ITEM_ESTIMATE(NOLOCK)
-                          WHERE OBJECT_NO = PE.OBJECT_NO
-                            AND PLAN_NO = PE.PLAN_NO
-                            AND ISNULL(NULLIF(QCAST_CUST_PRD_ID, ''), PC_ITEM_ID) = PE.ITEM_ID ), 0) AS MODULE_VOL_KW
-            FROM T_PLAN P WITH (NOLOCK)
-            INNER JOIN T_PART_ESTIMATE PE WITH (NOLOCK)
-                ON P.OBJECT_NO = PE.OBJECT_NO
-                AND P.PLAN_NO = PE.PLAN_NO
-            INNER JOIN M_ITEM I WITH (NOLOCK)
-                ON PE.ITEM_ID = I.ITEM_ID
-            WHERE P.OBJECT_NO = #{objectNo}
-                AND P.PLAN_NO = #{planNo}
-                AND I.POWER_COM_FLG = '1' /* PCS 아이템만 */
-        ) T
-        */
 
     </select>