diff --git a/packages/use-bounding-client-rect/src/useBoundingClientRect.ts b/packages/use-bounding-client-rect/src/useBoundingClientRect.ts
index 14055355..f3b560d7 100644
--- a/packages/use-bounding-client-rect/src/useBoundingClientRect.ts
+++ b/packages/use-bounding-client-rect/src/useBoundingClientRect.ts
@@ -143,7 +143,7 @@ const cleanupHookInstance = (element: HTMLElement, setRenderTime: SetRenderTime)
     refs.maybeCleanupElement();
 };
 
-const useBoundingClientRect = (element: HTMLElement | null): Rect | EmptyRect => {
+const useBoundingClientRect = (element?: HTMLElement | null): Rect | EmptyRect => {
     // Flip the bit to trigger a new return value from this hook
     const [, setRenderTime] = useState<number>(0);
 
diff --git a/packages/use-is-out-of-bounds/src/useIsOutOfBounds.ts b/packages/use-is-out-of-bounds/src/useIsOutOfBounds.ts
index 947c4d74..0b86d783 100644
--- a/packages/use-is-out-of-bounds/src/useIsOutOfBounds.ts
+++ b/packages/use-is-out-of-bounds/src/useIsOutOfBounds.ts
@@ -29,7 +29,7 @@ const INITIAL_OUT_OF_BOUNDS_HAS_LAYOUT: OutOfBounds = Object.freeze({
     hasLayout: true,
 });
 
-const getOverflowHiddenParent = (element: MaybeHTMLElement): MaybeHTMLElement => {
+const getOverflowHiddenParent = (element?: MaybeHTMLElement): MaybeHTMLElement => {
     while (element?.parentElement) {
         // If we’ve reached the body, use that as offsetParent
         if (element.parentElement.tagName === 'BODY') return element.parentElement;
@@ -76,7 +76,7 @@ const getIsCurrentDirectionBefore = ({
     return positionAfter < length / 2;
 };
 
-const useIsOutOfBounds = (element: MaybeHTMLElement): OutOfBounds => {
+const useIsOutOfBounds = (element?: MaybeHTMLElement): OutOfBounds => {
     const outOfBoundsRef = useRef<OutOfBounds>(INITIAL_OUT_OF_BOUNDS);
     const computedStyleRef = useRef<CSSStyleDeclaration | null>(null);
     const elementRect = useBoundingClientRect(element);