diff --git a/modules/custom-post-types/portfolios.php b/modules/custom-post-types/portfolios.php
index 8ee6261fca515..416aea81c4a24 100644
--- a/modules/custom-post-types/portfolios.php
+++ b/modules/custom-post-types/portfolios.php
@@ -253,6 +253,7 @@ function register_post_types() {
 				'publicize',
 				'wpcom-markdown',
 				'revisions',
+				'excerpt',
 			),
 			'rewrite' => array(
 				'slug'       => 'portfolio',
diff --git a/modules/custom-post-types/testimonial.php b/modules/custom-post-types/testimonial.php
index c2006731f2c76..6a7426cc8bee4 100644
--- a/modules/custom-post-types/testimonial.php
+++ b/modules/custom-post-types/testimonial.php
@@ -319,6 +319,7 @@ function register_post_types() {
 				'thumbnail',
 				'page-attributes',
 				'revisions',
+				'excerpt',
 			),
 			'rewrite' => array(
 				'slug'       => 'testimonial',