diff --git a/projects/plugins/jetpack/changelog/2021-07-13-20-10-58-559738 b/projects/plugins/jetpack/changelog/2021-07-13-20-10-58-559738
new file mode 100644
index 0000000000000..90153a9dd1fcc
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/2021-07-13-20-10-58-559738
@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Comments: refactor jQuery usage.
diff --git a/projects/plugins/jetpack/modules/comments/comments.php b/projects/plugins/jetpack/modules/comments/comments.php
index 8a59e421c4acc..368f16333aed1 100644
--- a/projects/plugins/jetpack/modules/comments/comments.php
+++ b/projects/plugins/jetpack/modules/comments/comments.php
@@ -469,7 +469,7 @@ public function watch_comment_parent() {
 								if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) {
 									return;
 								}
-								jQuery( frame ).height( event.data );
+								frame.style.height = event.data + 'px';
 							});
 						} else if ( document.attachEvent ) {
 							window.attachEvent( 'message', function ( event ) {
@@ -477,7 +477,7 @@ public function watch_comment_parent() {
 								if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) {
 									return;
 								}
-								jQuery( frame ).height( event.data );
+								frame.style.height = event.data + 'px';
 							});
 						}
 					}