diff --git a/question/behaviour/informationitem/renderer.php b/question/behaviour/informationitem/renderer.php
index 29c5f8c0829..99a78529868 100644
--- a/question/behaviour/informationitem/renderer.php
+++ b/question/behaviour/informationitem/renderer.php
@@ -36,7 +36,7 @@ defined('MOODLE_INTERNAL') || die();
  */
 class qbehaviour_informationitem_renderer extends qbehaviour_renderer {
     public function controls(question_attempt $qa, question_display_options $options) {
-        if ($qa->get_state() != question_state::$todo) {
+        if ($options->readonly || $qa->get_state() != question_state::$todo) {
             return '';
         }
 
diff --git a/question/behaviour/informationitem/tests/walkthrough_test.php b/question/behaviour/informationitem/tests/walkthrough_test.php
index 3cdb4947bcd..237412f3b68 100644
--- a/question/behaviour/informationitem/tests/walkthrough_test.php
+++ b/question/behaviour/informationitem/tests/walkthrough_test.php
@@ -49,10 +49,17 @@ class qbehaviour_informationitem_walkthrough_test extends qbehaviour_walkthrough
         $this->check_current_state(question_state::$todo);
         $this->check_current_mark(null);
         $this->check_current_output($this->get_contains_question_text_expectation($description),
-                new question_contains_tag_with_attributes('input', array('type' => 'hidden',
-                'name' => $this->quba->get_field_prefix($this->slot) . '-seen', 'value' => 1)),
+                $this->get_contains_hidden_expectation(
+                        $this->quba->get_field_prefix($this->slot) . '-seen', 1),
                 $this->get_does_not_contain_feedback_expectation());
 
+        // Check no hidden input when read-only.
+        $this->displayoptions->readonly = true;
+        $this->check_current_output($this->get_contains_question_text_expectation($description),
+                $this->get_does_not_contain_hidden_expectation(
+                        $this->quba->get_field_prefix($this->slot) . '-seen', 1));
+        $this->displayoptions->readonly = false;
+
         // Process a submission indicating this question has been seen.
         $this->process_submission(array('-seen' => 1));