diff --git a/app/assets/stylesheets/comments.css b/app/assets/stylesheets/comments.css
index d28c03b89..2b1607fdd 100644
--- a/app/assets/stylesheets/comments.css
+++ b/app/assets/stylesheets/comments.css
@@ -20,8 +20,6 @@
 .comment__avatar {
   margin-block-start: calc(var(--comment-padding-block) * 0.5);
   margin-inline: auto calc(var(--comment-padding-inline) * -0.75);
-  position: relative;
-  z-index: 1;
 
   .comment--mine & {
     margin-inline: calc(var(--comment-padding-inline) * -0.75) auto;
diff --git a/app/assets/stylesheets/notifications.css b/app/assets/stylesheets/notifications.css
index 22d96725a..5baf77a12 100644
--- a/app/assets/stylesheets/notifications.css
+++ b/app/assets/stylesheets/notifications.css
@@ -6,7 +6,6 @@
   inset: auto var(--inline-space) var(--block-space-half) auto;
   padding: var(--block-space-half) var(--inline-space);
   position: fixed;
-  z-index: 1;
 
   .notification {
     --outline-color: var(--color-link);