diff --git a/confluence-mdx/bin/confluence_xhtml_to_markdown.py b/confluence-mdx/bin/confluence_xhtml_to_markdown.py
index b688c7aae..809467fd5 100755
--- a/confluence-mdx/bin/confluence_xhtml_to_markdown.py
+++ b/confluence-mdx/bin/confluence_xhtml_to_markdown.py
@@ -489,6 +489,14 @@ def get_html_attributes(node):
         # class="numberingColumn" might be the cause of broken table rendering.
         if attr_name in ['style', 'class']:
             continue
+        
+        # Remove local-id attribute (Confluence-specific, not needed in MDX)
+        if attr_name == 'local-id':
+            continue
+        
+        # Remove all data-* attributes (Confluence-specific metadata, not needed in MDX)
+        if attr_name.startswith('data-'):
+            continue
 
         if isinstance(attr_value, list):
             # Convert list-type attribute values (e.g., class) to a space-separated string
diff --git a/confluence-mdx/tests/testcases/544178405/expected.mdx b/confluence-mdx/tests/testcases/544178405/expected.mdx
index bc9b8df0d..9d8a618ed 100644
--- a/confluence-mdx/tests/testcases/544178405/expected.mdx
+++ b/confluence-mdx/tests/testcases/544178405/expected.mdx
@@ -26,7 +26,7 @@ GNB 내 관리자 페이지 진입점
 Databases, Servers, Kubernetes 등 각 서비스 설정을 진행하기 전에 기본적으로 설정해야하는 항목들이 있습니다.
 특히 보안 설정, 사용자 설정, 관리자 역할 할당은 필수적으로 설정하시는 것을 권장해 드립니다.
 
-<table data-table-width="760" data-layout="default" local-id="96d34ea4-8772-49af-9ba2-14ea36b1f3e1">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -36,10 +36,10 @@ Databases, Servers, Kubernetes 등 각 서비스 설정을 진행하기 전에 
 <tr>
 <th>
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **설정 순서**
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **설정 항목**
 </th>
 </tr>
@@ -142,7 +142,7 @@ QueryPie의 세분화된 접근 제어 기능을 통해 강력한 권한 관리
 서비스별 설정이 끝난 후에는 관리자/사용자의 접속 및 실행 이력들을 Audit 메뉴에서 자세히 확인하실 수 있습니다.
 뿐만 아니라 민감 정보를 식별할 수 있는 Discovery 기능 또한 제공하니 차세대 디스커버리 기능을 경험해 보세요.
 
-<table data-table-width="760" data-layout="default" local-id="1c770267-da7f-48dc-b1e3-817744eeec38">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -152,10 +152,10 @@ QueryPie의 세분화된 접근 제어 기능을 통해 강력한 권한 관리
 <tr>
 <th>
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **설정 순서**
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **설정 항목**
 </th>
 </tr>
diff --git a/confluence-mdx/tests/testcases/544211126/expected.mdx b/confluence-mdx/tests/testcases/544211126/expected.mdx
index c615f8f1d..e2b3a202d 100644
--- a/confluence-mdx/tests/testcases/544211126/expected.mdx
+++ b/confluence-mdx/tests/testcases/544211126/expected.mdx
@@ -14,7 +14,7 @@ title: '사용자 매뉴얼'
 아래 순서를 따라 사용해 보세요.
 각 항목을 클릭하면 자세한 사용 방법을 확인하실 수 있습니다.
 
-<table data-table-width="760" data-layout="default" local-id="c53b8e8a-3f68-476f-aa0a-03f2f0eb700f">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -24,10 +24,10 @@ title: '사용자 매뉴얼'
 <tr>
 <th>
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **사용 순서**
 </th>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **기능**
 </th>
 </tr>
@@ -35,7 +35,7 @@ title: '사용자 매뉴얼'
 <td>
 1
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **로그인**
 </th>
 <td>
@@ -46,7 +46,7 @@ title: '사용자 매뉴얼'
 <td>
 2
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **대시보드 둘러보기**
 </th>
 <td>
@@ -57,7 +57,7 @@ title: '사용자 매뉴얼'
 <td>
 3
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **Workflow로 권한 받기**
 </th>
 <td>
@@ -77,7 +77,7 @@ title: '사용자 매뉴얼'
 <td>
 4
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **QueryPie Web에서 접속하기**
 </th>
 <td>
@@ -100,7 +100,7 @@ title: '사용자 매뉴얼'
 <td>
 5
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **QueryPie Agent로 접속하기**
 </th>
 <td>
@@ -111,7 +111,7 @@ title: '사용자 매뉴얼'
 <td>
 6
 </td>
-<th data-highlight-colour="var(--ds-background-accent-gray-subtlest, #F4F5F7)">
+<th>
 **개인 설정 둘러보기**
 </th>
 <td>
diff --git a/confluence-mdx/tests/testcases/544375741/expected.mdx b/confluence-mdx/tests/testcases/544375741/expected.mdx
index f138788c8..bb2746d1b 100644
--- a/confluence-mdx/tests/testcases/544375741/expected.mdx
+++ b/confluence-mdx/tests/testcases/544375741/expected.mdx
@@ -4,13 +4,13 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 
 # External API 변경사항 (9.9.4 버전 > 9.9.5 버전)
 
----
+______
 
 ## API Docs Json File
 
 :paperclip: [994_external.json](994_external.json)
 :paperclip: [995_external.json](995_external.json)
----
+______
 
 ## 1. Access Approval API
 
@@ -22,7 +22,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 
 ##### Response
 
-<table data-table-width="760" data-layout="default" local-id="729f4860-908e-453e-a2ce-586ef92bde21">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -48,7 +48,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 </table>
 
 *  **id**  가  **추가** 되었습니다.
----
+______
 
 ## 2. Approval API
 
@@ -60,7 +60,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 
 ##### Response
 
-<table data-table-width="760" data-layout="default" local-id="d1aedf57-9c7c-4ffd-abf3-d1381144dd7d">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -86,7 +86,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 </table>
 
 *  **id**  가  **추가** 되었습니다.
----
+______
 
 ## 3. Audit Log API
 
@@ -102,7 +102,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 ##### Response
 
 * /api/docs 에 잘못 표기 되어 있던  **nextCursor**  에 대한 내용이 수정되었습니다.
----
+______
 
 ## 4. Notification Channels API
 
@@ -114,7 +114,7 @@ title: 'External API 변경사항 (9.9.4 버전 > 9.9.5 버전)'
 
 * Query Parameter
 
-<table data-table-width="760" data-layout="default" local-id="a8579e9b-bf3a-44ef-8dbe-bef487c68840">
+<table>
 <colgroup>
 <col/>
 <col/>
diff --git a/confluence-mdx/tests/testcases/544384417/expected.mdx b/confluence-mdx/tests/testcases/544384417/expected.mdx
index 4a5aa8466..cedf22437 100644
--- a/confluence-mdx/tests/testcases/544384417/expected.mdx
+++ b/confluence-mdx/tests/testcases/544384417/expected.mdx
@@ -24,7 +24,7 @@ QueryPie 보고서는 감사 대응에 필요한 데이터를 보고서 형태
 
 11.2.0 버전 현재 지원하는 보고서 항목 및 필터는 아래의 표를 참고하시기 바랍니다.
 
-<table data-table-width="958" data-layout="center" local-id="cfcbf091-3775-4454-bff4-924bf43e88f4">
+<table>
 <a id="table-1"></a>
 <colgroup>
 <col/>
diff --git a/confluence-mdx/tests/testcases/793608206/expected.mdx b/confluence-mdx/tests/testcases/793608206/expected.mdx
index 2c7eb130e..f7f512229 100644
--- a/confluence-mdx/tests/testcases/793608206/expected.mdx
+++ b/confluence-mdx/tests/testcases/793608206/expected.mdx
@@ -12,7 +12,7 @@ Alert Type을 New Request로 선택한 경우, Request Type에 따른 템플릿
 
 Request Type을 전체 선택한 경우에도 공통 변수는 사용 가능합니다.
 
-<table data-table-width="811" data-layout="center" local-id="c749b9ca-9033-4c2b-b8fa-3880ad5a8736">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -194,7 +194,7 @@ Urgent
 
 ### DB Access Request
 
-<table data-table-width="808" data-layout="center" local-id="ee62ec7d-c9f6-4e28-b56e-747b6443c26d">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -281,7 +281,7 @@ Requested Privilege per Connection
 
 ### SQL Request
 
-<table data-table-width="814" data-layout="center" local-id="65178aed-8861-4dee-943a-42d33ce617bf">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -494,7 +494,7 @@ Execution Expiration Date
 
 ### SQL Export Request
 
-<table data-table-width="816" data-layout="center" local-id="a7dabd97-8ea6-4502-b876-197d927dd1dc">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -692,7 +692,7 @@ Execution Expiration Date
 
 ### Unmasking Request
 
-<table data-table-width="816" data-layout="center" local-id="212dceed-34bd-42c0-9cab-7b11a24950af">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -835,7 +835,7 @@ Approval Expiration Date
 
 ### Restricted Data Access Request
 
-<table data-table-width="816" data-layout="center" local-id="8d66df32-3ad9-473e-9876-a4c7fe8775e1">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -978,7 +978,7 @@ Approval Expiration Date
 
 ### DB Policy Exception Request
 
-<table data-table-width="816" data-layout="center" local-id="8fdf1d5c-786c-4147-8e56-bfd6d8dcdb0f">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -1135,7 +1135,7 @@ Approval Expiration Date
 
 ### Server Access Request
 
-<table data-table-width="820" data-layout="center" local-id="a4480e83-0193-4c46-ba7c-53a665a6ad03">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -1281,7 +1281,7 @@ Duration
 
 ### Server Privilege Request
 
-<table data-table-width="820" data-layout="center" local-id="1ac8db57-f53b-4306-9a63-eabe504365d4">
+<table>
 <colgroup>
 <col/>
 <col/>
@@ -1427,7 +1427,7 @@ Duration
 
 ### Access Role Request
 
-<table data-table-width="816" data-layout="center" local-id="e44f2beb-29c0-417c-b961-8a1b7946b510">
+<table>
 <colgroup>
 <col/>
 <col/>
diff --git a/confluence-mdx/tests/testcases/panels/expected.mdx b/confluence-mdx/tests/testcases/panels/expected.mdx
index fce791120..dba8aaa70 100644
--- a/confluence-mdx/tests/testcases/panels/expected.mdx
+++ b/confluence-mdx/tests/testcases/panels/expected.mdx
@@ -3,32 +3,32 @@ import { Callout } from 'nextra/components'
 <Callout type="info">
 This is an info panel.
 </Callout>
----
+______
 
 <Callout type="important">
 This is a note panel.
 </Callout>
----
+______
 
 <Callout type="error">
 This is an error panel.
 </Callout>
----
+______
 
 <Callout type="default">
 This is a success panel.
 </Callout>
----
+______
 
 <Callout type="important">
 This is a warning panel.
 </Callout>
----
+______
 
 <Callout type="info" emoji="🌈">
 This is a custom panel.
 </Callout>
----
+______
 
 Done.