diff --git a/quartz/components/scripts/popover.inline.ts b/quartz/components/scripts/popover.inline.ts
index 08668ae..4d51e2a 100644
--- a/quartz/components/scripts/popover.inline.ts
+++ b/quartz/components/scripts/popover.inline.ts
@@ -7,6 +7,10 @@ async function mouseEnterHandler(
   { clientX, clientY }: { clientX: number; clientY: number },
 ) {
   const link = this
+  if (link.dataset.noPopover === "true") {
+    return
+  }
+
   async function setPosition(popoverElement: HTMLElement) {
     const { x, y } = await computePosition(link, popoverElement, {
       middleware: [inline({ x: clientX, y: clientY }), shift(), flip()],
diff --git a/quartz/plugins/transformers/gfm.ts b/quartz/plugins/transformers/gfm.ts
index 62624aa..40c2205 100644
--- a/quartz/plugins/transformers/gfm.ts
+++ b/quartz/plugins/transformers/gfm.ts
@@ -31,6 +31,11 @@ export const GitHubFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> |
             rehypeAutolinkHeadings,
             {
               behavior: "append",
+              properties: {
+                ariaHidden: true,
+                tabIndex: -1,
+                "data-no-popover": true,
+              },
               content: {
                 type: "text",
                 value: " §",