diff --git a/config/schema/experience_builder.schema.yml b/config/schema/experience_builder.schema.yml
index 61a879f2f2f6cd4abb02150fb2a7275e4df01777..e90c9c49a336e7ca824d0e8fe20290a6f588a5e1 100644
--- a/config/schema/experience_builder.schema.yml
+++ b/config/schema/experience_builder.schema.yml
@@ -217,8 +217,6 @@ experience_builder.page_template.*:
             presence:
               # In core: `block.system_main_block`. Contrib/custom modules may add additional implementations.
               - Drupal\Core\Block\MainContentBlockPluginInterface
-              # In core: `block.page_title_block`. Contrib/custom modules may add additional implementations.
-              - Drupal\Core\Block\TitleBlockPluginInterface
               # In core: `block.system_messages_block`. Contrib/custom modules may add additional implementations.
               - Drupal\Core\Block\MessagesBlockPluginInterface
       sequence:
diff --git a/tests/src/Kernel/Config/PageTemplateValidationTest.php b/tests/src/Kernel/Config/PageTemplateValidationTest.php
index 72ff8f8d2d8ede001fd87dae617d06462e3db4a2..87acf5275817dc9e8828fbc44e92bf3b7b568601 100644
--- a/tests/src/Kernel/Config/PageTemplateValidationTest.php
+++ b/tests/src/Kernel/Config/PageTemplateValidationTest.php
@@ -261,7 +261,6 @@ class PageTemplateValidationTest extends ConfigEntityValidationTestBase {
         'component_trees' => [
           'Configuration for the region "<em class="placeholder">content</em>" (<em class="placeholder">content</em>) is missing.',
           "The 'Drupal\Core\Block\MainContentBlockPluginInterface' component interface must be present.",
-          "The 'Drupal\Core\Block\TitleBlockPluginInterface' component interface must be present.",
           "The 'Drupal\Core\Block\MessagesBlockPluginInterface' component interface must be present.",
         ],
       ],
@@ -273,7 +272,6 @@ class PageTemplateValidationTest extends ConfigEntityValidationTestBase {
         'sidebar_second' => [
           'tree' => self::encodeXBData([
             ComponentTreeStructure::ROOT_UUID => [
-              ['uuid' => 'uuid-main', 'component' => 'block.system_main_block'],
               ['uuid' => 'uuid-messages', 'component' => 'block.system_messages_block'],
             ],
           ]),
@@ -298,7 +296,7 @@ class PageTemplateValidationTest extends ConfigEntityValidationTestBase {
         'breadcrumb' => NULL,
       ],
       'expected_messages' => [
-        'component_trees' => "The 'Drupal\Core\Block\TitleBlockPluginInterface' component interface must be present.",
+        'component_trees' => "The 'Drupal\Core\Block\MainContentBlockPluginInterface' component interface must be present.",
       ],
     ];