diff --git a/platform/platform-resources/src/META-INF/XmlPlugin.xml b/platform/platform-resources/src/META-INF/XmlPlugin.xml
index 1c0db18c1544..edf9d8807807 100644
--- a/platform/platform-resources/src/META-INF/XmlPlugin.xml
+++ b/platform/platform-resources/src/META-INF/XmlPlugin.xml
@@ -27,9 +27,7 @@
     <extensionPoint name="xml.fileNSInfoProvider" interface="com.intellij.psi.xml.XmlFileNSInfoProvider" dynamic="true"/>
     <extensionPoint name="xml.attributeDescriptorsProvider" interface="com.intellij.xml.XmlAttributeDescriptorsProvider" dynamic="true"/>
     <extensionPoint name="xml.elementDescriptorProvider" interface="com.intellij.psi.impl.source.xml.XmlElementDescriptorProvider" dynamic="true"/>
-    <extensionPoint name="xml.util.htmlDoctypeProvider"
-                    interface="com.intellij.xml.util.HtmlDoctypeProvider"/>
-
+    
     <extensionPoint name="xml.xmlSuppressionProvider"
                     interface="com.intellij.codeInspection.XmlSuppressionProvider" dynamic="true"/>
     <extensionPoint name="xml.nsColorProvider"
@@ -92,6 +90,10 @@
     <extensionPoint name="webSmartKeysConfigurable" beanClass="com.intellij.application.options.editor.WebSmartKeysConfigurableEP"/>
 
     <extensionPoint name="xml.validateHandler" interface="com.intellij.xml.actions.validate.ValidateXmlHandler"/>
+    
+    <!--dead code-->
+    <extensionPoint name="xml.util.htmlDoctypeProvider" interface="com.intellij.xml.util.HtmlDoctypeProvider"/>
+
   </extensionPoints>
 
   <extensions defaultExtensionNs="com.intellij">
diff --git a/xml/xml-psi-impl/src/com/intellij/xml/util/HtmlDoctypeProvider.java b/xml/xml-psi-impl/src/com/intellij/xml/util/HtmlDoctypeProvider.java
index 841523f2cbfa..543f0f6a28fa 100644
--- a/xml/xml-psi-impl/src/com/intellij/xml/util/HtmlDoctypeProvider.java
+++ b/xml/xml-psi-impl/src/com/intellij/xml/util/HtmlDoctypeProvider.java
@@ -18,11 +18,15 @@ package com.intellij.xml.util;
 import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.psi.xml.XmlDoctype;
 import com.intellij.psi.xml.XmlFile;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Nullable;
 
 /**
  * @author traff
+ * @deprecated don't use it
  */
+@ApiStatus.ScheduledForRemoval(inVersion = "2020.2")
+@Deprecated
 public interface HtmlDoctypeProvider {
   ExtensionPointName<HtmlDoctypeProvider> EP_NAME = ExtensionPointName.create("com.intellij.xml.util.htmlDoctypeProvider");