diff --git a/tests/useIntersection.test.tsx b/tests/useIntersection.test.tsx
index bdb7bc059e..c088a89a48 100644
--- a/tests/useIntersection.test.tsx
+++ b/tests/useIntersection.test.tsx
@@ -81,7 +81,7 @@ describe('useIntersection', () => {
   it('should return null if IntersectionObserver is not supported', () => {
     targetRef = createRef();
     targetRef.current = document.createElement('div');
-    delete window.IntersectionObserver;
+    delete (window as any).IntersectionObserver;
 
     expect(() => renderHook(() => useIntersection(targetRef, {}))).not.toThrow();
   });
diff --git a/tests/useSearchParam.test.ts b/tests/useSearchParam.test.ts
index ca6d22ba89..d3be101631 100644
--- a/tests/useSearchParam.test.ts
+++ b/tests/useSearchParam.test.ts
@@ -6,7 +6,7 @@ const { location } = window;
 let mockSearch: string;
 
 beforeEach(() => {
-  delete window.location;
+  delete (window as any).location;
   const { search, ...restLocation } = location;
 
   // @ts-ignore