diff --git a/core/modules/workspaces/src/WorkspaceAssociation.php b/core/modules/workspaces/src/WorkspaceAssociation.php
index 579aee87699c3febb8fabab6fd4d470e032117bb..02d6924c4e4bbc8993cdfbea29e0688bff7edfeb 100644
--- a/core/modules/workspaces/src/WorkspaceAssociation.php
+++ b/core/modules/workspaces/src/WorkspaceAssociation.php
@@ -392,18 +392,6 @@ public static function getSubscribedEvents(): array {
    */
   public function onPostPublish(WorkspacePublishEvent $event): void {
     $this->deleteAssociations($event->getWorkspace()->id());
-
-    // Cleanup sub-workspaces on deploy to Live (no parent) workspace.
-    if (!$event->getWorkspace()->hasParent()) {
-      foreach ($event->getPublishedRevisionIds() as $target_entity_type_id => $target_entity_ids) {
-        // Extract target entity IDs and revision IDs.
-        $target_entity_ids_list = array_keys($target_entity_ids);
-        $target_entity_revision_ids = array_keys($target_entity_ids);
-
-        $this->deleteAssociations(NULL, $target_entity_type_id, $target_entity_ids_list, $target_entity_revision_ids);
-      }
-    }
-
   }
 
 }
diff --git a/core/modules/workspaces/tests/src/Kernel/WorkspaceAssociationTest.php b/core/modules/workspaces/tests/src/Kernel/WorkspaceAssociationTest.php
index 7dae5f4c33750562be96a9c00cada45437022d66..4d7e8d80e62862232a1f4e9e5fe101ed6fa17bf0 100644
--- a/core/modules/workspaces/tests/src/Kernel/WorkspaceAssociationTest.php
+++ b/core/modules/workspaces/tests/src/Kernel/WorkspaceAssociationTest.php
@@ -158,43 +158,6 @@ public function testWorkspaceAssociation(): void {
     $this->assertWorkspaceAssociations('node', $expected_latest_revisions, $expected_all_revisions, $expected_initial_revisions);
   }
 
-  /**
-   * Tests cleanup of sub-workspaces on publishing to Live.
-   */
-  public function testSubWorkspaceCleanupOnPublishToLive(): void {
-    $workspaceName = 'stage';
-    $this->switchToWorkspace($workspaceName);
-
-    // Create and save a node in the 'stage' workspace.
-    $node = $this->createNode([
-      'title' => 'Test article - stage - unpublished',
-      'type' => 'article',
-      'status' => 0,
-    ]);
-    $node->save();
-
-    // Simulate the publishing operation.
-    $node->set('status', 1);
-    $node->save();
-
-    // Manually perform cleanup if no service is available.
-    $database = \Drupal::database();
-    $database->delete('workspace_association')
-      ->condition('workspace', $workspaceName)
-      ->execute();
-
-    // Query database to ensure that the workspace associations were cleaned up.
-    $queryAfter = $database->select('workspace_association', 'wa')
-      ->fields('wa')
-      ->condition('workspace', $workspaceName)
-      ->execute();
-    $resultsAfter = $queryAfter->fetchAll();
-
-    // Assert that the workspace association table is empty for
-    // the 'stage' workspace.
-    $this->assertEmpty($resultsAfter, 'Workspace associations were not cleaned up properly for the stage workspace.');
-  }
-
   /**
    * Checks the workspace associations for a test scenario.
    *