diff --git a/xml/xml-frontback-impl/resources/intellij.xml.frontback.impl.xml b/xml/xml-frontback-impl/resources/intellij.xml.frontback.impl.xml
index 9f05bee88887..468ae1e9cd40 100644
--- a/xml/xml-frontback-impl/resources/intellij.xml.frontback.impl.xml
+++ b/xml/xml-frontback-impl/resources/intellij.xml.frontback.impl.xml
@@ -25,10 +25,5 @@
     <lang.syntaxHighlighterFactory language="DTD" implementationClass="com.intellij.lang.dtd.DtdSyntaxHighlighterFactory"/>
 
     <applicationService serviceImplementation="com.intellij.application.options.editor.WebEditorOptions"/>
-
-    <lang.parserDefinition language="DTD" implementationClass="com.intellij.lang.dtd.DTDParserDefinition"/>
-    <lang.parserDefinition language="XML" implementationClass="com.intellij.lang.xml.XMLParserDefinition"/>
-    <lang.parserDefinition language="HTML" implementationClass="com.intellij.lang.html.HTMLParserDefinition"/>
-    <lang.parserDefinition language="XHTML" implementationClass="com.intellij.lang.xhtml.XHTMLParserDefinition"/>
   </extensions>
 </idea-plugin>
diff --git a/xml/xml-psi-impl/resources/intellij.xml.psi.impl.xml b/xml/xml-psi-impl/resources/intellij.xml.psi.impl.xml
index e42ec1d2ba4f..69b03fe1f6a0 100644
--- a/xml/xml-psi-impl/resources/intellij.xml.psi.impl.xml
+++ b/xml/xml-psi-impl/resources/intellij.xml.psi.impl.xml
@@ -26,6 +26,11 @@
   </extensionPoints>
 
   <extensions defaultExtensionNs="com.intellij">
+    <lang.parserDefinition language="DTD" implementationClass="com.intellij.lang.dtd.DTDParserDefinition"/>
+    <lang.parserDefinition language="XML" implementationClass="com.intellij.lang.xml.XMLParserDefinition"/>
+    <lang.parserDefinition language="HTML" implementationClass="com.intellij.lang.html.HTMLParserDefinition"/>
+    <lang.parserDefinition language="XHTML" implementationClass="com.intellij.lang.xhtml.XHTMLParserDefinition"/>
+
     <applicationService serviceInterface="com.intellij.lang.xml.BasicXmlElementFactory"
                         serviceImplementation="com.intellij.lang.xml.BackendXmlElementFactory"/>
     <applicationService serviceInterface="com.intellij.lang.html.BasicHtmlElementFactory"
diff --git a/xml/xml-frontback-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt b/xml/xml-psi-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt
similarity index 95%
rename from xml/xml-frontback-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt
rename to xml/xml-psi-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt
index 4eda180d1965..d43bbd8f4820 100644
--- a/xml/xml-frontback-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt
+++ b/xml/xml-psi-impl/src/com/intellij/lang/dtd/DTDParserDefinition.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.lang.dtd
 
 import com.intellij.lang.ASTNode
diff --git a/xml/xml-frontback-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt b/xml/xml-psi-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt
similarity index 96%
rename from xml/xml-frontback-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt
rename to xml/xml-psi-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt
index 508477d51299..219ec98c2bec 100644
--- a/xml/xml-frontback-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt
+++ b/xml/xml-psi-impl/src/com/intellij/lang/html/HTMLParserDefinition.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.lang.html
 
 import com.intellij.lang.ASTNode
diff --git a/xml/xml-frontback-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt b/xml/xml-psi-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt
similarity index 90%
rename from xml/xml-frontback-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt
rename to xml/xml-psi-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt
index 7c8ce95eb479..a14271eba197 100644
--- a/xml/xml-frontback-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt
+++ b/xml/xml-psi-impl/src/com/intellij/lang/xhtml/XHTMLParserDefinition.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.lang.xhtml
 
 import com.intellij.lang.xml.XMLParserDefinition
diff --git a/xml/xml-frontback-impl/src/com/intellij/lang/xml/XMLParserDefinition.kt b/xml/xml-psi-impl/src/com/intellij/lang/xml/XMLParserDefinition.kt
similarity index 100%
rename from xml/xml-frontback-impl/src/com/intellij/lang/xml/XMLParserDefinition.kt
rename to xml/xml-psi-impl/src/com/intellij/lang/xml/XMLParserDefinition.kt