diff --git a/app/lib/frontend/templates/package.dart b/app/lib/frontend/templates/package.dart
index 265b8040e2..912ee47879 100644
--- a/app/lib/frontend/templates/package.dart
+++ b/app/lib/frontend/templates/package.dart
@@ -116,15 +116,10 @@ d.Node renderPkgHeader(PackagePageData data) {
       !data.isLatestStable || showPrereleaseVersion || showPreviewVersion;
 
   final pkgView = data.toPackageView();
-  final isNullSafe = pkgView.tags.contains(PackageVersionTags.isNullSafe);
   final metadataNode = packageHeaderNode(
     packageName: package.name!,
     publisherId: package.publisherId,
     published: data.version.created!,
-    isNullSafe: isNullSafe,
-    isDart3Compatible: pkgView.tags.contains(
-      PackageVersionTags.isDart3Compatible,
-    ),
     isDart3Incompatible: pkgView.tags.contains(
       PackageVersionTags.isDart3Incompatible,
     ),
diff --git a/app/lib/frontend/templates/package_misc.dart b/app/lib/frontend/templates/package_misc.dart
index 02175f17ac..262f66383d 100644
--- a/app/lib/frontend/templates/package_misc.dart
+++ b/app/lib/frontend/templates/package_misc.dart
@@ -35,12 +35,6 @@ final nameMatchBadgeNode = packageBadgeNode(
   color: 'name-match',
 );
 
-/// Renders the Dart 3 compatible badge.
-final dart3CompatibleNode = packageBadgeNode(
-  label: 'Dart 3 compatible',
-  title: 'Package is compatible with Dart 3.',
-);
-
 /// Renders the Dart 3 incompatible badge.
 final dart3IncompatibleNode = packageBadgeNode(
   label: 'Dart 3 incompatible',
diff --git a/app/lib/frontend/templates/views/pkg/header.dart b/app/lib/frontend/templates/views/pkg/header.dart
index 6cd9dccdbe..c296da3329 100644
--- a/app/lib/frontend/templates/views/pkg/header.dart
+++ b/app/lib/frontend/templates/views/pkg/header.dart
@@ -12,8 +12,6 @@ d.Node packageHeaderNode({
   required String packageName,
   required String? publisherId,
   required DateTime published,
-  required bool isNullSafe,
-  required bool isDart3Compatible,
   required bool isDart3Incompatible,
   required LatestReleases? releases,
 }) {
@@ -22,7 +20,6 @@ d.Node packageHeaderNode({
     d.span(child: d.xAgoTimestamp(published)),
     d.text(' '),
     if (publisherId != null) ..._publisher(publisherId),
-    if (isDart3Compatible) dart3CompatibleNode,
     if (isDart3Incompatible) dart3IncompatibleNode,
     if (releases != null) ..._releases(packageName, releases),
   ]);
diff --git a/app/lib/frontend/templates/views/pkg/index.dart b/app/lib/frontend/templates/views/pkg/index.dart
index c0f385f548..b819ce175b 100644
--- a/app/lib/frontend/templates/views/pkg/index.dart
+++ b/app/lib/frontend/templates/views/pkg/index.dart
@@ -149,13 +149,6 @@ d.Node _searchFormContainer({
                 searchForm: searchForm,
                 title: 'Show only packages with screenshots.',
               ),
-              _tagBasedCheckbox(
-                tagPrefix: 'is',
-                tagValue: 'dart3-compatible',
-                label: 'Dart 3 compatible',
-                searchForm: searchForm,
-                title: 'Show only packages compatible with Dart 3.',
-              ),
               _tagBasedCheckbox(
                 tagPrefix: 'is',
                 tagValue: 'plugin',
diff --git a/app/lib/frontend/templates/views/pkg/package_list.dart b/app/lib/frontend/templates/views/pkg/package_list.dart
index 52c79ae423..78228ecb6f 100644
--- a/app/lib/frontend/templates/views/pkg/package_list.dart
+++ b/app/lib/frontend/templates/views/pkg/package_list.dart
@@ -91,9 +91,6 @@ d.Node _packageItem(
   required bool isLiked,
 }) {
   final isFlutterFavorite = view.tags.contains(PackageTags.isFlutterFavorite);
-  final isDart3Compatible = view.tags.contains(
-    PackageVersionTags.isDart3Compatible,
-  );
   final isDart3Incompatible = view.tags.contains(
     PackageVersionTags.isDart3Incompatible,
   );
@@ -153,7 +150,6 @@ d.Node _packageItem(
     if (licenseNode != null)
       d.span(classes: ['packages-metadata-block'], child: licenseNode),
     if (isFlutterFavorite) flutterFavoriteBadgeNode,
-    if (isDart3Compatible) dart3CompatibleNode,
     if (isDart3Incompatible) dart3IncompatibleNode,
   ]);
 
diff --git a/app/test/frontend/golden/pkg_index_page.html b/app/test/frontend/golden/pkg_index_page.html
index 2288ec941c..0a1e6d0567 100644
--- a/app/test/frontend/golden/pkg_index_page.html
+++ b/app/test/frontend/golden/pkg_index_page.html
@@ -353,23 +353,6 @@ <h3 class="search-form-section-header foldable-button">
                   </label>
                 </div>
               </div>
-              <div class="search-form-linked-checkbox" title="Show only packages compatible with Dart 3.">
-                <div class="mdc-form-field">
-                  <div class="mdc-checkbox">
-                    <input id="search-form-checkbox-is-dart3-compatible" class="mdc-checkbox__native-control" type="checkbox"/>
-                    <div class="mdc-checkbox__background">
-                      <svg class="mdc-checkbox__checkmark" viewBox="0 0 24 24">
-                        <path class="mdc-checkbox__checkmark-path" fill="none" d="M1.73,12.91 8.1,19.28 22.79,4.59"/>
-                      </svg>
-                      <div class="mdc-checkbox__mixedmark"></div>
-                    </div>
-                    <div class="mdc-checkbox__ripple"></div>
-                  </div>
-                  <label for="search-form-checkbox-is-dart3-compatible">
-                    <a href="/packages?q=sdk%3Adart+is%3Adart3-compatible" rel="nofollow" data-action="filter-is-dart3-compatible" data-tag="is:dart3-compatible">Dart 3 compatible</a>
-                  </label>
-                </div>
-              </div>
               <div class="search-form-linked-checkbox" title="Show only Flutter plugins.">
                 <div class="mdc-form-field">
                   <div class="mdc-checkbox">
diff --git a/app/test/frontend/golden/search_page.html b/app/test/frontend/golden/search_page.html
index 609127d291..4f3399f290 100644
--- a/app/test/frontend/golden/search_page.html
+++ b/app/test/frontend/golden/search_page.html
@@ -354,23 +354,6 @@ <h3 class="search-form-section-header foldable-button">
                   </label>
                 </div>
               </div>
-              <div class="search-form-linked-checkbox" title="Show only packages compatible with Dart 3.">
-                <div class="mdc-form-field">
-                  <div class="mdc-checkbox">
-                    <input id="search-form-checkbox-is-dart3-compatible" class="mdc-checkbox__native-control" type="checkbox"/>
-                    <div class="mdc-checkbox__background">
-                      <svg class="mdc-checkbox__checkmark" viewBox="0 0 24 24">
-                        <path class="mdc-checkbox__checkmark-path" fill="none" d="M1.73,12.91 8.1,19.28 22.79,4.59"/>
-                      </svg>
-                      <div class="mdc-checkbox__mixedmark"></div>
-                    </div>
-                    <div class="mdc-checkbox__ripple"></div>
-                  </div>
-                  <label for="search-form-checkbox-is-dart3-compatible">
-                    <a href="/packages?q=is%3Adart3-compatible+foobar&amp;sort=top" rel="nofollow" data-action="filter-is-dart3-compatible" data-tag="is:dart3-compatible">Dart 3 compatible</a>
-                  </label>
-                </div>
-              </div>
               <div class="search-form-linked-checkbox" title="Show only Flutter plugins.">
                 <div class="mdc-form-field">
                   <div class="mdc-checkbox">
diff --git a/app/test/task/testdata/goldens/packages/oxygen.html b/app/test/task/testdata/goldens/packages/oxygen.html
index 6245c89564..adc53b4970 100644
--- a/app/test/task/testdata/goldens/packages/oxygen.html
+++ b/app/test/task/testdata/goldens/packages/oxygen.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/changelog.html b/app/test/task/testdata/goldens/packages/oxygen/changelog.html
index 68a6c5213e..ad494d1b62 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/changelog.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/changelog.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/example.html b/app/test/task/testdata/goldens/packages/oxygen/example.html
index 9b24bf9544..758689bf16 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/example.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/example.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/install.html b/app/test/task/testdata/goldens/packages/oxygen/install.html
index a261d4bd6d..e18b4df135 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/install.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/install.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/license.html b/app/test/task/testdata/goldens/packages/oxygen/license.html
index 96b2aa6f0e..956e0d25cd 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/license.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/license.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/score.html b/app/test/task/testdata/goldens/packages/oxygen/score.html
index 3f362ac2d6..3ecc19e4a0 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/score.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/score.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions.html b/app/test/task/testdata/goldens/packages/oxygen/versions.html
index 62714c3c21..28d3553266 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions.html
@@ -132,7 +132,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0.html
index 5460275eea..16f146d689 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/changelog.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/changelog.html
index fcc3637be1..3adfa6c2bd 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/changelog.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/changelog.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/example.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/example.html
index 098fbcc61b..6ffc8dea0e 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/example.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/example.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/install.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/install.html
index 53783e83e0..6443362871 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/install.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/install.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/license.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/license.html
index f2007604e8..2cea285d38 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/license.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/license.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
index 6c1a0b95c7..7a1050c622 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                   • Latest:
                   <span>
                     <a href="/packages/oxygen" title="View the latest version of oxygen">2.0.0</a>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/2.0.0.html b/app/test/task/testdata/goldens/packages/oxygen/versions/2.0.0.html
index 6245c89564..adc53b4970 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/2.0.0.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/2.0.0.html
@@ -133,7 +133,6 @@ <h1 class="title pub-monochrome-icon-hoverable">
                   <span>
                     <a class="-x-ago" href="" title="%%short-dateformat%%" role="button" data-timestamp="%%time-ago-millis%%">%%time-ago%%</a>
                   </span>
-                  <span class="package-badge" title="Package is compatible with Dart 3.">Dart 3 compatible</span>
                 </div>
                 <div class="detail-tags-and-like">
                   <div class="detail-tags">
diff --git a/pkg/_pub_shared/lib/search/search_form.dart b/pkg/_pub_shared/lib/search/search_form.dart
index 24b6033885..22d85c5c7e 100644
--- a/pkg/_pub_shared/lib/search/search_form.dart
+++ b/pkg/_pub_shared/lib/search/search_form.dart
@@ -442,7 +442,6 @@ class SearchForm {
       parsedQuery.tagsPredicate.hasTag(PackageTags.isFlutterFavorite) ||
       parsedQuery.tagsPredicate.hasTag(PackageTags.showUnlisted) ||
       parsedQuery.tagsPredicate.hasTag(PackageVersionTags.hasScreenshot) ||
-      parsedQuery.tagsPredicate.hasTag(PackageVersionTags.isDart3Compatible) ||
       parsedQuery.tagsPredicate.hasTag(PackageVersionTags.isPlugin) ||
       parsedQuery.tagsPredicate.hasTag(PackageVersionTags.isWasmReady);
 
diff --git a/pkg/_pub_shared/lib/search/tags.dart b/pkg/_pub_shared/lib/search/tags.dart
index 22c3a819c4..21bb54f41b 100644
--- a/pkg/_pub_shared/lib/search/tags.dart
+++ b/pkg/_pub_shared/lib/search/tags.dart
@@ -104,11 +104,10 @@ abstract class PackageVersionTags {
   /// search results (e.g. a version may have compatibility errors or
   /// get `is:legacy` classification).
   static const _futurePackageVersionTags = {
-    PackageVersionTags.isNullSafe,
     PackageVersionTags.isPlugin,
+    PackageVersionTags.isWasmReady,
     PackageVersionTags.hasFundingLink,
     PackageVersionTags.hasScreenshot,
-    PackageVersionTags.isDart3Compatible,
   };
 }
 
diff --git a/pkg/_pub_shared/test/search/tags_test.dart b/pkg/_pub_shared/test/search/tags_test.dart
index 89d28ba686..2362f7c9c6 100644
--- a/pkg/_pub_shared/test/search/tags_test.dart
+++ b/pkg/_pub_shared/test/search/tags_test.dart
@@ -11,7 +11,7 @@ void main() {
       final included = [
         'runtime:native-jit',
         'sdk:dart',
-        'is:null-safe',
+        'is:wasm-ready',
         'platform:linux',
       ];
       final excluded = ['license:x', 'is:other'];
diff --git a/pkg/pub_integration/test/search_update_test.dart b/pkg/pub_integration/test/search_update_test.dart
index ed07620278..a4eebef680 100644
--- a/pkg/pub_integration/test/search_update_test.dart
+++ b/pkg/pub_integration/test/search_update_test.dart
@@ -222,7 +222,7 @@ void main() {
           expect(page.url, '$origin/packages?q=platform%3Aandroid+pkg');
         }
 
-        await toggleMore('is', 'dart3-compatible');
+        await toggleMore('is', 'wasm-ready');
         await toggleMore('is', 'flutter-favorite');
       });