diff --git a/tests/phpunit/tests/block-bindings/termDataSource.php b/tests/phpunit/tests/block-bindings/termDataSource.php
index c8b95cedfc783..8a0f18bf02399 100644
--- a/tests/phpunit/tests/block-bindings/termDataSource.php
+++ b/tests/phpunit/tests/block-bindings/termDataSource.php
@@ -90,6 +90,15 @@ public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
 		add_filter( 'pre_term_description', 'wp_filter_kses' );
 	}
 
+	/**
+	 * Tear down after each test.
+	 */
+	public function tear_down() {
+		unregister_taxonomy( 'wptests_private_tax' );
+
+		parent::tear_down();
+	}
+
 	/**
 	 * Helper method to create a WP_Block instance.
 	 *
@@ -449,8 +458,6 @@ public function test_get_value_non_publicly_queryable_taxonomy_unauthenticated()
 		wp_set_current_user( 0 );
 
 		$this->assertNull( _block_bindings_term_data_get_value( array( 'field' => 'name' ), $block ) );
-
-		_unregister_taxonomy( 'wptests_private_tax' );
 	}
 
 	/**
@@ -482,8 +489,6 @@ public function test_get_value_non_publicly_queryable_taxonomy_with_read_capabil
 		wp_set_current_user( $subscriber_id );
 
 		$this->assertSame( 'Secret Term', _block_bindings_term_data_get_value( array( 'field' => 'name' ), $block ) );
-
-		_unregister_taxonomy( 'wptests_private_tax' );
 	}
 
 	/**