diff --git a/.changeset/chatty-phones-admire.md b/.changeset/chatty-phones-admire.md
deleted file mode 100644
index 05065698a5c..00000000000
--- a/.changeset/chatty-phones-admire.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'@primer/react': patch
----
-
-Adds full `aria-expanded` (true/false) state to `AnchoredOverlay`, and components that consume it
diff --git a/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx b/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
index f7d60df9d6b..cc6dd041cdc 100644
--- a/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
+++ b/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
@@ -172,7 +172,7 @@ export const AnchoredOverlay: React.FC<React.PropsWithChildren<AnchoredOverlayPr
           ref: anchorRef,
           id: anchorId,
           'aria-haspopup': 'true',
-          'aria-expanded': open,
+          'aria-expanded': open ? 'true' : undefined,
           tabIndex: 0,
           onClick: onAnchorClick,
           onKeyDown: onAnchorKeyDown,