diff --git a/src/wp-content/themes/twentyseventeen/assets/css/blocks.css b/src/wp-content/themes/twentyseventeen/assets/css/blocks.css
index 48bf62ef4e..a64b1d3458 100644
--- a/src/wp-content/themes/twentyseventeen/assets/css/blocks.css
+++ b/src/wp-content/themes/twentyseventeen/assets/css/blocks.css
@@ -60,6 +60,16 @@ p.has-drop-cap:not(:focus)::first-letter {
 	margin-left: 1.5em;
 }
 
+.wp-block-image a,
+.wp-block-image a:hover,
+.wp-block-image a:focus,
+.widget-area .wp-block-image a,
+.widget-area .wp-block-image a:hover,
+.widget-area .wp-block-image a:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
 /* Gallery */
 
 .wp-block-gallery {