diff --git a/src/wp-includes/fonts.php b/src/wp-includes/fonts.php
index 88495fc44aab9..3a76993008632 100644
--- a/src/wp-includes/fonts.php
+++ b/src/wp-includes/fonts.php
@@ -219,15 +219,16 @@ function _wp_after_delete_font_family( $post_id, $post ) {
 		return;
 	}
 
-	$font_faces = get_children(
+	$font_faces_ids = get_children(
 		array(
 			'post_parent' => $post_id,
 			'post_type'   => 'wp_font_face',
+			'fields'      => 'ids',
 		)
 	);
 
-	foreach ( $font_faces as $font_face ) {
-		wp_delete_post( $font_face->ID, true );
+	foreach ( $font_faces_ids as $font_faces_id ) {
+		wp_delete_post( $font_faces_id, true );
 	}
 }