diff --git a/src/WebformSubmissionForm.php b/src/WebformSubmissionForm.php
index ec928418..44f6da0f 100644
--- a/src/WebformSubmissionForm.php
+++ b/src/WebformSubmissionForm.php
@@ -826,6 +826,7 @@ class WebformSubmissionForm extends ContentEntityForm {
           $element['preview_prev'] = [
             '#type' => 'submit',
             '#value' => $this->config('webform.settings')->get('settings.default_preview_prev_button_label'),
+            '#limit_validation_errors' => [],
             '#validate' => ['::noValidate'],
             '#submit' => ['::previous'],
             '#attributes' => ['class' => ['webform-button--previous', 'js-webform-novalidate']],
@@ -845,6 +846,7 @@ class WebformSubmissionForm extends ContentEntityForm {
             '#type' => 'submit',
             '#value' => $previous_button_label,
             '#webform_actions_button_custom' => $previous_button_custom,
+            '#limit_validation_errors' => [],
             '#validate' => ['::noValidate'],
             '#submit' => ['::previous'],
             '#attributes' => ['class' => ['webform-button--previous', 'js-webform-novalidate']],