diff --git a/java/java-backend/resources/META-INF/JavaPlugin.xml b/java/java-backend/resources/META-INF/JavaPlugin.xml
index 0ec8ea839511..504db5f86771 100644
--- a/java/java-backend/resources/META-INF/JavaPlugin.xml
+++ b/java/java-backend/resources/META-INF/JavaPlugin.xml
@@ -1187,7 +1187,7 @@
     <codeInsight.createFieldFromUsageHelper language="JAVA"
                                             implementationClass="com.intellij.codeInsight.daemon.impl.quickfix.JavaCreateFieldFromUsageHelper"/>
     <expressionConverter implementationClass="com.intellij.refactoring.introduceParameter.JavaExpressionConverter" language="JAVA"/>
-    <codeFoldingOptionsProvider instance="com.intellij.application.options.editor.JavaCodeFoldingOptionsProvider" id="JAVA" order="after Android,after C++,after Dart,after General,after Go,after Handlebars, after ObjectiveC"/>
+    <codeFoldingOptionsProvider instance="com.intellij.application.options.editor.JavaCodeFoldingOptionsProvider" id="JAVA" order="after Android,after C++,after General,after Go,after Handlebars, after ObjectiveC"/>
     <autoImportOptionsProvider instance="com.intellij.application.options.editor.JavaAutoImportOptions"/>
     <errorOptionsProvider instance="com.intellij.java.codeInspection.ui.JavaErrorOptionsProvider"/>
     <overrideImplementsAnnotationsHandler implementation="com.intellij.codeInsight.generation.OverrideImplementsAnnotationsHandlerImpl"/>
diff --git a/json/resources/intellij.json.xml b/json/resources/intellij.json.xml
index c446f71ef35c..134fa5e938fe 100644
--- a/json/resources/intellij.json.xml
+++ b/json/resources/intellij.json.xml
@@ -51,7 +51,7 @@
     <applicationService serviceImplementation="com.intellij.json.editor.JsonEditorOptions"/>
     <applicationService serviceImplementation="com.intellij.json.editor.folding.JsonFoldingSettings"/>
     <applicationSettings service="com.intellij.json.editor.JsonEditorOptions"/>
-    <codeFoldingOptionsProvider instance="com.intellij.json.editor.folding.JsonFoldingOptionsProvider" id="JSON" order="after Android,after C++,after Dart,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after ObjectiveC"/>
+    <codeFoldingOptionsProvider instance="com.intellij.json.editor.folding.JsonFoldingOptionsProvider" id="JSON" order="after Android,after C++,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after ObjectiveC"/>
     <rdct.remoteSettingProvider implementation="com.intellij.json.editor.JSONRemoteSettingInfoProvider"/>
 
     <editorSmartKeysConfigurable instance="com.intellij.json.editor.JsonSmartKeysConfigurable" id="editor.preferences.jsonOptions"/>
diff --git a/platform/build-scripts/licenses/src/CommunityLibraryLicenses.kt b/platform/build-scripts/licenses/src/CommunityLibraryLicenses.kt
index dff45bfba895..c529a7bc1b0d 100644
--- a/platform/build-scripts/licenses/src/CommunityLibraryLicenses.kt
+++ b/platform/build-scripts/licenses/src/CommunityLibraryLicenses.kt
@@ -314,12 +314,6 @@ object CommunityLibraryLicenses {
       .mit("https://github.com/cucumber/cucumber-jvm/blob/main/LICENSE")
       .suppliedByOrganizations("SmartBear Software"),
 
-    LibraryLicense("Dart Analysis Server", version = LibraryLicense.CUSTOM_REVISION, attachedTo = "intellij.dart", url = "https://github.com/dart-lang/eclipse3")
-      .eplV1("https://github.com/dart-archive/eclipse3/tree/master/docs"),
-
-    LibraryLicense("Dart VM Service drivers", version = LibraryLicense.CUSTOM_REVISION, attachedTo = "intellij.dart", url = "https://github.com/dart-lang/vm_service_drivers")
-      .newBsd("https://github.com/dart-lang/vm_service_drivers/blob/master/LICENSE"),
-
     LibraryLicense("dbus-java", libraryName = "dbus-java", url = "https://github.com/hypfvieh/dbus-java")
       .lgpl2("https://github.com/hypfvieh/dbus-java/blob/dbus-java-3.0/LICENSE")
       .suppliedByPersons("David M. <hypfvieh@googlemail.com>"),
@@ -766,9 +760,6 @@ object CommunityLibraryLicenses {
       .apache("https://github.com/JetBrains/jSerialComm/blob/master/LICENSE-APACHE-2.0")
       .forkedFrom(groupId = "com.fazecast", artifactId = "jSerialComm", version = "2.11.2", mavenRepositoryUrl = "https://repo1.maven.org/maven2/"),
 
-    LibraryLicense("JSON", libraryName = "json.jar", version = LibraryLicense.CUSTOM_REVISION, url = "https://www.json.org/")
-      .license("JSON License", "https://www.json.org/license.html"),
-
     LibraryLicense("JSON in Java", libraryName = "org.json:json", url = "https://github.com/stleary/JSON-java")
       .license("JSON License", "https://www.json.org/license.html"),
 
@@ -1385,10 +1376,6 @@ object CommunityLibraryLicenses {
     LibraryLicense("VS Code Twig Language 2", version = "0.9.4", attachedTo = "intellij.textmate", url = "https://github.com/mblode/vscode-twig-language-2")
       .mit("https://github.com/mblode/vscode-twig-language-2/blob/master/LICENSE.md"),
 
-    // originally https://github.com/pelotoncycle/weberknecht
-    LibraryLicense("weberknecht", libraryName = "weberknecht-0.1.5.jar", version = "0.1.5", url = "https://github.com/pusher-community/titanium_pusher_android/blob/master/src/de/roderick/weberknecht/")
-      .apache("https://github.com/pusher-community/titanium_pusher_android/blob/master/src/de/roderick/weberknecht/WebSocket.java"),
-
     LibraryLicense(libraryName = "winp", url = "https://github.com/jenkinsci/winp")
       .mit("https://github.com/jenkinsci/winp/blob/master/LICENSE.txt")
       .suppliedByPersons("Kohsuke Kawaguchi"),
diff --git a/platform/lang-impl/src/com/intellij/analysis/problemsView/package-info.java b/platform/lang-impl/src/com/intellij/analysis/problemsView/package-info.java
index 837eeea13739..40fd12a22704 100644
--- a/platform/lang-impl/src/com/intellij/analysis/problemsView/package-info.java
+++ b/platform/lang-impl/src/com/intellij/analysis/problemsView/package-info.java
@@ -1,6 +1,6 @@
-// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 /**
- * Framework for presenting problems (e.g. Dart Analysis Server or inspections)
+ * Framework for presenting problems (e.g., inspections)
  * in an updateable-on-the-fly table in the tool window, along with context actions, filters and navigation
  */
 package com.intellij.analysis.problemsView;
\ No newline at end of file
diff --git a/platform/platform-tests/testData/plugins/sort/ultimatePlugins.txt b/platform/platform-tests/testData/plugins/sort/ultimatePlugins.txt
index 2c6622f2ffb6..97f449123288 100644
--- a/platform/platform-tests/testData/plugins/sort/ultimatePlugins.txt
+++ b/platform/platform-tests/testData/plugins/sort/ultimatePlugins.txt
@@ -8,7 +8,6 @@
 + -org-editorconfig-editorconfigjetbrains-
 + -com-jetbrains-plugins-ini4idea-
 + -Subversion-
-+ -Dart-
 + -com-jetbrains-php-framework-
 + -com-intellij-phing-
 + -org-jetbrains-plugins-textmate-
diff --git a/platform/platform-tests/testData/plugins/sort/ultimatePlugins.xml b/platform/platform-tests/testData/plugins/sort/ultimatePlugins.xml
index f5a9a60ff18b..bd9fcb04c110 100644
--- a/platform/platform-tests/testData/plugins/sort/ultimatePlugins.xml
+++ b/platform/platform-tests/testData/plugins/sort/ultimatePlugins.xml
@@ -832,15 +832,6 @@
     <depends>com.intellij.modules.lang</depends>
     <depends optional="true">com.intellij.modules.coverage</depends>
   </idea-plugin>
-  <idea-plugin url="file://out/intellij.dart/META-INF/plugin.xml">
-    <id>-Dart-</id>
-    <name>Dart</name>
-    <depends>com.intellij.modules.xml</depends>
-    <depends optional="true">-JavaScriptDebugger-</depends>
-    <depends optional="true">-org-jetbrains-plugins-yaml-</depends>
-    <depends optional="true">-com-intellij-copyright-</depends>
-    <depends optional="true">com.intellij.modules.coverage</depends>
-  </idea-plugin>
   <idea-plugin url="file://out/intellij.vcs.svn/META-INF/plugin.xml">
     <id>-Subversion-</id>
     <name>Subversion</name>
diff --git a/plugins/markdown/core/resources/META-INF/plugin.xml b/plugins/markdown/core/resources/META-INF/plugin.xml
index fc3c2833234e..5ab599cd8536 100644
--- a/plugins/markdown/core/resources/META-INF/plugin.xml
+++ b/plugins/markdown/core/resources/META-INF/plugin.xml
@@ -224,7 +224,7 @@
     <editorSmartKeysConfigurable instance="org.intellij.plugins.markdown.settings.MarkdownSmartKeysConfigurable"
                                  id="editor.preferences.markdownOptions"/>
 
-    <codeFoldingOptionsProvider instance="org.intellij.plugins.markdown.settings.MarkdownCodeFoldingOptionsProvider" id="Markdown" order="after Android,after C++,after Dart,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after ObjectiveC"/>
+    <codeFoldingOptionsProvider instance="org.intellij.plugins.markdown.settings.MarkdownCodeFoldingOptionsProvider" id="Markdown" order="after Android,after C++,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after ObjectiveC"/>
 
     <applicationService serviceImplementation="org.intellij.plugins.markdown.ui.preview.html.MarkdownCodeFenceHtmlCache"/>
     <applicationService serviceImplementation="org.intellij.plugins.markdown.fileActions.export.MarkdownHtmlExportSettings"/>
diff --git a/plugins/yaml/resources/intellij.yaml.xml b/plugins/yaml/resources/intellij.yaml.xml
index 61ca3ae96557..487600c47342 100644
--- a/plugins/yaml/resources/intellij.yaml.xml
+++ b/plugins/yaml/resources/intellij.yaml.xml
@@ -33,7 +33,7 @@
     <applicationService serviceImplementation="org.jetbrains.yaml.smart.YAMLEditorOptions"/>
     <applicationSettings service="org.jetbrains.yaml.smart.YAMLEditorOptions"/>
     <applicationService serviceImplementation="org.jetbrains.yaml.folding.YAMLFoldingSettings"/>
-    <codeFoldingOptionsProvider instance="org.jetbrains.yaml.folding.YAMLFoldingOptionsProvider" id="YAML" order="after Android,after C++,after Dart,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP,after Python,after Ruby,after Rust,after SQL,after Swift,after XML"/>
+    <codeFoldingOptionsProvider instance="org.jetbrains.yaml.folding.YAMLFoldingOptionsProvider" id="YAML" order="after Android,after C++,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP,after Python,after Ruby,after Rust,after SQL,after Swift,after XML"/>
     <rdct.remoteSettingProvider implementation="org.jetbrains.yaml.smart.YAMLRemoteSettingInfoProvider"/>
     <editorSmartKeysConfigurable instance="org.jetbrains.yaml.smart.YAMLSmartOptionsProvider"
                                  id="editor.preferences.yamlOptions"
diff --git a/python/pluginResources/intellij.python.community.impl.xml b/python/pluginResources/intellij.python.community.impl.xml
index 672cfc9f4091..c5c9aee63848 100644
--- a/python/pluginResources/intellij.python.community.impl.xml
+++ b/python/pluginResources/intellij.python.community.impl.xml
@@ -602,7 +602,7 @@
                                implementationClass="com.jetbrains.python.refactoring.invertBoolean.PyInvertBooleanDelegate"/>
 
     <!--folding-->
-    <codeFoldingOptionsProvider instance="com.jetbrains.python.PythonFoldingOptionsProvider" id="Python" order="after Android,after C++,after Dart,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP"/>
+    <codeFoldingOptionsProvider instance="com.jetbrains.python.PythonFoldingOptionsProvider" id="Python" order="after Android,after C++,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP"/>
 
     <!-- postfix templates!-->
     <codeInsight.template.postfixTemplateProvider language="Python"
diff --git a/xml/impl/resources/intellij.xml.impl.xml b/xml/impl/resources/intellij.xml.impl.xml
index 56108424a035..e61840209854 100644
--- a/xml/impl/resources/intellij.xml.impl.xml
+++ b/xml/impl/resources/intellij.xml.impl.xml
@@ -242,7 +242,7 @@
                      groupBundle="messages.XmlBundle" groupKey="html.inspections.group.name"
                      implementationClass="com.intellij.codeInspection.htmlInspections.HtmlUnknownBooleanAttributeInspection"/>
 
-    <codeFoldingOptionsProvider instance="com.intellij.application.options.editor.XmlCodeFoldingOptionsProvider" id="XML" order="after Android,after C++,after Dart,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP,after Python,after Ruby,after Rust,after SQL,after Swift"/>
+    <codeFoldingOptionsProvider instance="com.intellij.application.options.editor.XmlCodeFoldingOptionsProvider" id="XML" order="after Android,after C++,after General,after Go,after Handlebars,after JAVA,after JavaScript,after JPAQL,after JSON,after Kubernetes,after LinkerScript,after Markdown,after ObjectiveC,after PHP,after Python,after Ruby,after Rust,after SQL,after Swift"/>
 
     <multiHostInjector implementation="com.intellij.psi.impl.source.html.HtmlScriptLanguageInjector"/>