diff --git a/third_party/CHANGELOG.md b/third_party/CHANGELOG.md
index 435fc8d64..0a4d2cc8f 100644
--- a/third_party/CHANGELOG.md
+++ b/third_party/CHANGELOG.md
@@ -5,6 +5,7 @@
  - Vendor change from "JetBrains" to "Google"
  - Build system change from Basel to Gradle
  - Removal of the old Code Coverage support, all references to com.intellij.coverage.*
+ - Removal of the Dart embedded in HTML support
  - Remove the "Scope analysis to the current package" feature from the Dart problem view
  - New Dart language feature: Dot Shorthands (https://youtrack.jetbrains.com/issue/IDEA-370100)
  - Support new 'Null-Aware Elements’ syntax (https://youtrack.jetbrains.com/issue/IDEA-374053)
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceContributor.java b/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceContributor.java
deleted file mode 100644
index 360aed5ab..000000000
--- a/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceContributor.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.jetbrains.lang.dart.psi;
-
-import com.intellij.psi.PsiReferenceContributor;
-import com.intellij.psi.PsiReferenceRegistrar;
-import com.intellij.psi.filters.ElementFilter;
-import com.intellij.xml.util.XmlUtil;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * @author Dennis.Ushakov
- */
-public final class DartPackagePathReferenceContributor extends PsiReferenceContributor {
-  @Override
-  public void registerReferenceProviders(@NotNull PsiReferenceRegistrar registrar) {
-    DartPackagePathReferenceProvider provider = new DartPackagePathReferenceProvider();
-    String[] htmlAttrs = new String[]{"href", "src"};
-    ElementFilter htmlFilter = DartPackagePathReferenceProvider.getFilter();
-    XmlUtil
-      .registerXmlAttributeValueReferenceProvider(registrar, htmlAttrs, htmlFilter, false, provider, PsiReferenceRegistrar.HIGHER_PRIORITY);
-  }
-}
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceProvider.java b/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceProvider.java
deleted file mode 100644
index 3103ef4f3..000000000
--- a/third_party/src/main/java/com/jetbrains/lang/dart/psi/DartPackagePathReferenceProvider.java
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.jetbrains.lang.dart.psi;
-
-import com.intellij.openapi.util.TextRange;
-import com.intellij.openapi.vfs.VirtualFile;
-import com.intellij.psi.*;
-import com.intellij.psi.filters.ElementFilter;
-import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReference;
-import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceSet;
-import com.intellij.psi.xml.XmlAttribute;
-import com.intellij.psi.xml.XmlAttributeValue;
-import com.intellij.psi.xml.XmlTag;
-import com.intellij.util.ProcessingContext;
-import com.intellij.xml.util.HtmlUtil;
-import com.jetbrains.lang.dart.util.DartResolveUtil;
-import com.jetbrains.lang.dart.util.DartUrlResolver;
-import com.jetbrains.lang.dart.util.PubspecYamlUtil;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * Resolves path in {@code <script src="packages/browser/dart.js"/>} to base Dart {@code packages} folder because relative symlinked {@code packages} folder is excluded.<br/>
- * Another example: {@code <link rel="import" href="packages/click_counter/click_counter.html">} is resolved to ./lib/click_counter.html if 'click_counter' is a Dart project name in pubspec.yaml
- */
-public final class DartPackagePathReferenceProvider extends PsiReferenceProvider {
-  public static ElementFilter getFilter() {
-    return new ElementFilter() {
-      @Override
-      public boolean isAcceptable(Object _element, PsiElement context) {
-        if (!(_element instanceof PsiElement element)) return false;
-        final PsiElement parentElement = element.getParent();
-        final PsiFile file = element.getContainingFile().getOriginalFile();
-        final VirtualFile vFile = file.getVirtualFile();
-
-        return vFile != null &&
-               HtmlUtil.hasHtml(file) &&
-               parentElement instanceof XmlAttribute &&
-               canContainDartPackageReference(((XmlAttribute)parentElement).getParent().getLocalName(),
-                                              ((XmlAttribute)parentElement).getName()) &&
-               PubspecYamlUtil.findPubspecYamlFile(element.getProject(), vFile) != null;
-      }
-
-      @Override
-      public boolean isClassAcceptable(Class hintClass) {
-        return true;
-      }
-    };
-  }
-
-  private static boolean canContainDartPackageReference(final @Nullable String tagName, final @Nullable String attrName) {
-    return ("link".equalsIgnoreCase(tagName) && "href".equalsIgnoreCase(attrName)) ||
-           ("script".equalsIgnoreCase(tagName) && "src".equalsIgnoreCase(attrName)) ||
-           ("img".equalsIgnoreCase(tagName) && "src".equalsIgnoreCase(attrName));
-  }
-
-  @Override
-  public PsiReference @NotNull [] getReferencesByElement(@NotNull PsiElement psiElement, @NotNull ProcessingContext context) {
-    if (!(psiElement instanceof XmlAttributeValue) || !HtmlUtil.isHtmlFile(psiElement.getContainingFile())) return PsiReference.EMPTY_ARRAY;
-
-    final PsiElement parent = psiElement.getParent();
-    if (!(parent instanceof XmlAttribute)) return PsiReference.EMPTY_ARRAY;
-
-    final XmlTag tag = ((XmlAttribute)parent).getParent();
-    if (tag == null) return PsiReference.EMPTY_ARRAY;
-
-    final VirtualFile file = DartResolveUtil.getRealVirtualFile(psiElement.getContainingFile());
-    if (file == null) return PsiReference.EMPTY_ARRAY;
-
-    if (!canContainDartPackageReference(tag.getName(), ((XmlAttribute)parent).getName())) return PsiReference.EMPTY_ARRAY;
-
-    if (PubspecYamlUtil.findPubspecYamlFile(psiElement.getProject(), file) == null) return PsiReference.EMPTY_ARRAY;
-
-    return getDartPackageReferences(psiElement, DartUrlResolver.getInstance(psiElement.getProject(), file));
-  }
-
-  private static FileReference[] getDartPackageReferences(final @NotNull PsiElement psiElement,
-                                                          final @NotNull DartUrlResolver dartResolver) {
-    final TextRange textRange = ElementManipulators.getValueTextRange(psiElement);
-    final String referenceText = textRange.substring(psiElement.getText());
-
-    if (!referenceText.trim().startsWith(DartUrlResolver.PACKAGES_FOLDER_NAME + "/") && !referenceText.contains("/" + DartUrlResolver.PACKAGES_FOLDER_NAME + "/")) {
-      return FileReference.EMPTY;
-    }
-
-    final FileReferenceSet referenceSet = new FileReferenceSet(referenceText, psiElement, textRange.getStartOffset(), null, true) {
-      @Override
-      public FileReference createFileReference(final TextRange range, final int index, final String text) {
-        return new DartPackageAwareFileReference(this, range, index, text, dartResolver);
-      }
-    };
-
-    return referenceSet.getAllReferences();
-  }
-}
\ No newline at end of file
diff --git a/third_party/src/main/resources/META-INF/plugin.xml b/third_party/src/main/resources/META-INF/plugin.xml
index c3841aeb7..9f12bf062 100644
--- a/third_party/src/main/resources/META-INF/plugin.xml
+++ b/third_party/src/main/resources/META-INF/plugin.xml
@@ -71,8 +71,6 @@
     <postFormatProcessor implementation="com.jetbrains.lang.dart.ide.formatter.DartPostFormatProcessor"/>
     <readerModeMatcher implementation="com.jetbrains.lang.dart.ide.DartReaderModeMatcher"/>
     <lang.psiStructureViewFactory language="Dart" implementationClass="com.jetbrains.lang.dart.ide.structure.DartStructureViewFactory"/>
-    <psi.referenceContributor language="HTML" implementation="com.jetbrains.lang.dart.psi.DartPackagePathReferenceContributor"
-                              order="last"/>
     <psi.referenceContributor language="Dart" implementation="com.jetbrains.lang.dart.psi.DartReferenceContributor"/>
     <psi.referenceContributor language="XML" implementation="com.jetbrains.lang.dart.psi.DartReferenceContributor"/>
     <xml.xmlTypedHandlersAdditionalSupport implementation="com.jetbrains.lang.dart.xml.DartXmlTypedHandlersAdditionalSupport" />
@@ -181,7 +179,6 @@
                               implementationClass="com.jetbrains.lang.dart.ide.completion.DartServerStatementCompletionProcessor"/>
 
     <annotator language="Dart" implementationClass="com.jetbrains.lang.dart.ide.annotator.DartAnnotator"/>
-    <annotator language="HTML" implementationClass="com.jetbrains.lang.dart.ide.annotator.DartAnnotator"/>
     <annotator language="XML" implementationClass="com.jetbrains.lang.dart.ide.annotator.DartAnnotator"/>
 
     <lang.findUsagesProvider language="Dart" implementationClass="com.jetbrains.lang.dart.ide.findUsages.DartFindUsagesProvider"/>
diff --git a/third_party/src/test/java/com/jetbrains/lang/dart/formatter/DartFormatterInHtmlTest.java b/third_party/src/test/java/com/jetbrains/lang/dart/formatter/DartFormatterInHtmlTest.java
deleted file mode 100644
index a0ecf56e1..000000000
--- a/third_party/src/test/java/com/jetbrains/lang/dart/formatter/DartFormatterInHtmlTest.java
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2000-2019 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.
-package com.jetbrains.lang.dart.formatter;
-
-import com.intellij.psi.formatter.FormatterTestCase;
-import com.jetbrains.lang.dart.util.DartTestUtils;
-
-public class DartFormatterInHtmlTest extends FormatterTestCase {
-
-  @Override
-  protected String getFileExtension() {
-    return "html";
-  }
-
-  @Override
-  protected String getTestDataPath() {
-    return DartTestUtils.BASE_TEST_DATA_PATH;
-  }
-
-  @Override
-  protected String getBasePath() {
-    return "formatter/html";
-  }
-
-  @Override
-  protected void doTest(String resultNumber) throws Exception {
-    String testName = getTestName(false);
-    doTest(testName + "." + getFileExtension(), testName + "_after." + getFileExtension(), resultNumber);
-  }
-
-  public void testDefault() throws Exception {
-    doTest();
-  }
-}
-
diff --git a/third_party/src/test/java/com/jetbrains/lang/dart/resolve/DartResolveTest.java b/third_party/src/test/java/com/jetbrains/lang/dart/resolve/DartResolveTest.java
index 13f515657..d2e35430a 100644
--- a/third_party/src/test/java/com/jetbrains/lang/dart/resolve/DartResolveTest.java
+++ b/third_party/src/test/java/com/jetbrains/lang/dart/resolve/DartResolveTest.java
@@ -84,43 +84,4 @@ private void doTestResolveScope(final VirtualFile contextFile,
       assertFalse("Expected to be out of scope: " + file.getPath(), scope.contains(file));
     }
   }
-
-  public void testPackageReferencesInHtml() {
-    myFixture.addFileToProject("pubspec.yaml", """
-      name: ProjectName
-      dependencies:
-        PathPackage:
-          path: local_package
-      """);
-    myFixture.addFileToProject("lib/projectFile.dart", "");
-    myFixture.addFileToProject("local_package/lib/localPackageFile.html", "");
-    myFixture.addFileToProject("packages/browser/dart.js", "");
-    final PsiFile psiFile = myFixture.addFileToProject("web/file.html",
-                                                       """
-                                                         <script src='<caret expected='packages'>packages/<caret expected='lib'>ProjectName/<caret expected='lib/projectFile.dart'>projectFile.dart'/>
-                                                         <script src='packages<caret expected='packages'>/PathPackage<caret expected='local_package/lib'>/localPackageFile.html<caret expected='local_package/lib/localPackageFile.html'>'/>
-                                                         <script src='<caret expected='packages'>packages/<caret expected='packages/browser'>browser/<caret expected='packages/browser/dart.js'>dart.js'/>
-                                                         """);
-    myFixture.openFileInEditor(psiFile.getVirtualFile());
-    doTest(myFixture);
-  }
-
-  public void testPackageReferencesInHtmlViaDotPackages() {
-    myFixture.addFileToProject("pubspec.yaml", "name: ProjectName");
-    myFixture.addFileToProject("lib/projectFile.dart", "");
-    myFixture.addFileToProject("local_package/lib/localPackageFile.html", "");
-    myFixture.addFileToProject("global_package/browser/dart.js", "");
-    myFixture.addFileToProject(".packages", """
-      browser:global_package/browser/
-      ProjectName:lib/
-      PathPackage:local_package/lib/""");
-    final PsiFile psiFile = myFixture.addFileToProject("web/file.html",
-                                                       """
-                                                         <script src='<caret expected='.packages'>packages/<caret expected='lib'>ProjectName/<caret expected='lib/projectFile.dart'>projectFile.dart'/>
-                                                         <script src='packages<caret expected='.packages'>/PathPackage<caret expected='local_package/lib'>/localPackageFile.html<caret expected='local_package/lib/localPackageFile.html'>'/>
-                                                         <script src='<caret expected='.packages'>packages/<caret expected='global_package/browser'>browser/<caret expected='global_package/browser/dart.js'>dart.js'/>
-                                                         """);
-    myFixture.openFileInEditor(psiFile.getVirtualFile());
-    doTest(myFixture);
-  }
 }
diff --git a/third_party/src/test/testData/formatter/html/Default.html b/third_party/src/test/testData/formatter/html/Default.html
deleted file mode 100644
index 4555fb292..000000000
--- a/third_party/src/test/testData/formatter/html/Default.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<html>
-<body>
-<script type="application/dart">
-  import 'superLib';class Foo {
-           // comment
-      Array<Array<Int>> tmp;
-      function foo (int x,z) {
-          new Foo(x,2);
-          int absSum (int a, int b) {
-              int value = a+b;
-              return value >0 ?value : - value;
-          }
-          var arr = ["zero", "one"];
-          var y = (x ^0x123) << 2;
-          for (i in tmp) {
-              y = (y ^ 0x123) << 2;
-          }
-          var k = x%2 == 1 ? 0 : 1;
-          do {
-              try {
-                  if(0 < x && x < 10)
-                  {
-                      while(x != y)
-                      {
-                          x = absSum(x * 3, 5);
-                      }
-                      z += 2;
-                  } else if (x > 20) {
-                      z = x << 1;
-                  } else {
-                      z = x | 2;
-                  }
-                  switch (k) {
-                  case 0:
-                  var s1 = 'zero';
-                  var s2 = '0';
-                  case 2:
-                  var s1 = 'two';
-                  default:
-                  var s1 = 'other';
-                  }
-              } catch (e) {
-                  var message = arr[0];
-              }
-          } while(x < 0);
-      }
-
-      Foo(int n, int m) {
-          tmp = new Array<Array<Int> >();
-          for (int i; i < 10; ++i)
-            tmp.push(new Array<Int>());
-      }
-  }
-</script>
-</body>
-</html>
diff --git a/third_party/src/test/testData/formatter/html/Default_after.html b/third_party/src/test/testData/formatter/html/Default_after.html
deleted file mode 100644
index ed4658662..000000000
--- a/third_party/src/test/testData/formatter/html/Default_after.html
+++ /dev/null
@@ -1,57 +0,0 @@
-<html>
-<body>
-<script type="application/dart">
-    import 'superLib';
-
-    class Foo {
-        // comment
-        Array<Array<Int>> tmp;
-
-        function foo(int x, z) {
-            new Foo(x, 2);
-            int absSum(int a, int b) {
-                int value = a + b;
-                return value > 0 ? value : -value;
-            }
-            var arr = ["zero", "one"];
-            var y = (x ^ 0x123) << 2;
-            for (i in tmp) {
-                y = (y ^ 0x123) << 2;
-            }
-            var k = x % 2 == 1 ? 0 : 1;
-            do {
-                try {
-                    if (0 < x && x < 10) {
-                        while (x != y) {
-                            x = absSum(x * 3, 5);
-                        }
-                        z += 2;
-                    } else if (x > 20) {
-                        z = x << 1;
-                    } else {
-                        z = x | 2;
-                    }
-                    switch (k) {
-                        case 0:
-                            var s1 = 'zero';
-                            var s2 = '0';
-                        case 2:
-                            var s1 = 'two';
-                        default:
-                            var s1 = 'other';
-                    }
-                } catch (e) {
-                    var message = arr[0];
-                }
-            } while (x < 0);
-        }
-
-        Foo(int n, int m) {
-            tmp = new Array<Array<Int>>();
-            for (int i; i < 10; ++i)
-                tmp.push(new Array<Int>());
-        }
-    }
-</script>
-</body>
-</html>