diff --git a/lib/transform.mjs b/lib/transform.mjs
index 9f86076..4f8ec5a 100644
--- a/lib/transform.mjs
+++ b/lib/transform.mjs
@@ -4,6 +4,10 @@ import { fetchData, mime, toDataURL } from './utils.mjs';
 
 /* eslint-disable no-param-reassign */
 
+function removeXML(string) {
+  return string.replace(/<\?xml.+\?>/, '');
+}
+
 const modes = {
   'img-base64': ({ node, diagramType, data, alt }) => {
     node.type = 'paragraph';
@@ -31,7 +35,7 @@ const modes = {
     node.type = 'html';
     node.value = `<div class="kroki-inline-svg" data-type="${diagramType}" data-alt="${
       alt || diagramType
-    }">${data.toString()}</div>`;
+    }">${removeXML(data.toString())}</div>`;
   },
 };
 
diff --git a/package.json b/package.json
index 65f4619..4661267 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "remark-kroki",
-  "version": "0.2.11",
+  "version": "0.2.12",
   "description": "Remark plugin for showing Kroki diagram",
   "license": "MIT",
   "author": {
diff --git a/test/snapshots/output.mjs.md b/test/snapshots/output.mjs.md
index 40a275d..96e4a3e 100644
--- a/test/snapshots/output.mjs.md
+++ b/test/snapshots/output.mjs.md
@@ -30,13 +30,13 @@ Generated by [AVA](https://avajs.dev).
     [
       {
         type: 'html',
-        value: '<div class="kroki-inline-svg" data-type="plantuml" data-alt="plantuml"><?xml version="1.0" encoding="us-ascii" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="105px" preserveAspectRatio="none" style="width:68px;height:105px;background:#FFFFFF;" version="1.1" viewBox="0 0 68 105" width="68px" zoomAndPan="magnify"><defs/><g><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="16" x2="16" y1="36.2969" y2="70.2969"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="50" x2="50" y1="36.2969" y2="70.2969"/><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="24.9951">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="89.292">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="24.9951">B</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="89.292">B</text><polygon fill="#181818" points="38,48.2969,48,52.2969,38,56.2969,42,52.2969" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="16.5" x2="44" y1="52.2969" y2="52.2969"/><!--SRC=[SrJGrRLJS080]--></g></svg></div>',
+        value: '<div class="kroki-inline-svg" data-type="plantuml" data-alt="plantuml"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="105px" preserveAspectRatio="none" style="width:68px;height:105px;background:#FFFFFF;" version="1.1" viewBox="0 0 68 105" width="68px" zoomAndPan="magnify"><defs/><g><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="16" x2="16" y1="36.2969" y2="70.2969"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="50" x2="50" y1="36.2969" y2="70.2969"/><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="24.9951">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="89.292">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="24.9951">B</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="89.292">B</text><polygon fill="#181818" points="38,48.2969,48,52.2969,38,56.2969,42,52.2969" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="16.5" x2="44" y1="52.2969" y2="52.2969"/><!--SRC=[SrJGrRLJS080]--></g></svg></div>',
       },
     ]
 
 > Snapshot 4
 
-    '<div class="kroki-inline-svg" data-type="plantuml" data-alt="plantuml"><?xml version="1.0" encoding="us-ascii" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="105px" preserveAspectRatio="none" style="width:68px;height:105px;background:#FFFFFF;" version="1.1" viewBox="0 0 68 105" width="68px" zoomAndPan="magnify"><defs/><g><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="16" x2="16" y1="36.2969" y2="70.2969"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="50" x2="50" y1="36.2969" y2="70.2969"/><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="24.9951">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="89.292">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="24.9951">B</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="89.292">B</text><polygon fill="#181818" points="38,48.2969,48,52.2969,38,56.2969,42,52.2969" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="16.5" x2="44" y1="52.2969" y2="52.2969"/><!--SRC=[SrJGrRLJS080]--></g></svg></div>'
+    '<div class="kroki-inline-svg" data-type="plantuml" data-alt="plantuml"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="105px" preserveAspectRatio="none" style="width:68px;height:105px;background:#FFFFFF;" version="1.1" viewBox="0 0 68 105" width="68px" zoomAndPan="magnify"><defs/><g><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="16" x2="16" y1="36.2969" y2="70.2969"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="50" x2="50" y1="36.2969" y2="70.2969"/><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="24.9951">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="23" x="5" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="9" x="12" y="89.292">A</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="5"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="24.9951">B</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="24" x="38" y="69.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="10" x="45" y="89.292">B</text><polygon fill="#181818" points="38,48.2969,48,52.2969,38,56.2969,42,52.2969" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="16.5" x2="44" y1="52.2969" y2="52.2969"/><!--SRC=[SrJGrRLJS080]--></g></svg></div>'
 
 ## img-base64
 
diff --git a/test/snapshots/output.mjs.snap b/test/snapshots/output.mjs.snap
index b60a06f..7d478c5 100644
Binary files a/test/snapshots/output.mjs.snap and b/test/snapshots/output.mjs.snap differ