diff --git a/quartz/components/scripts/popover.inline.ts b/quartz/components/scripts/popover.inline.ts
index b01af0e..7337793 100644
--- a/quartz/components/scripts/popover.inline.ts
+++ b/quartz/components/scripts/popover.inline.ts
@@ -82,6 +82,8 @@ async function mouseEnterHandler(
       const contents = await response.text()
       const html = p.parseFromString(contents, "text/html")
       normalizeRelativeURLs(html, targetUrl)
+      // strip all IDs from elements to prevent duplicates
+      html.querySelectorAll("[id]").forEach((el) => el.removeAttribute("id"))
       const elts = [...html.getElementsByClassName("popover-hint")]
       if (elts.length === 0) return
 
diff --git a/quartz/styles/base.scss b/quartz/styles/base.scss
index e0ab076..9d9d638 100644
--- a/quartz/styles/base.scss
+++ b/quartz/styles/base.scss
@@ -351,6 +351,10 @@ h6 {
   &[id]:hover > a {
     opacity: 1;
   }
+
+  &:not([id]) > a[role="anchor"] {
+    display: none;
+  }
 }
 
 // typography improvements