diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
index e31c47ee61a4b..4dda8b345569e 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
+++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
@@ -161,6 +161,11 @@ public function get_items( $request ) {
 			return $raw_patterns;
 		}
 
+		if ( $request->is_method( 'HEAD' ) ) {
+			// Return early as this handler doesn't add any response headers.
+			return new WP_REST_Response();
+		}
+
 		$response = array();
 
 		if ( $raw_patterns ) {