diff --git a/src/visualProgrammingUI/components/DragDropSidebar.tsx b/src/visualProgrammingUI/components/DragDropSidebar.tsx
index b3926d9..f1bf6bd 100644
--- a/src/visualProgrammingUI/components/DragDropSidebar.tsx
+++ b/src/visualProgrammingUI/components/DragDropSidebar.tsx
@@ -27,8 +27,7 @@ function DraggableNode({ className, children, nodeType, onDrop }: DraggableNodeP
     const draggableRef = useRef<HTMLDivElement>(null);
     const [position, setPosition] = useState<XYPosition>({ x: 0, y: 0 });
 
-
-    // @ts-ignore
+    // @ts-expect-error we expect the null referece here.
     useDraggable(draggableRef, {
         position: position,
         onDrag: ({ offsetX, offsetY }) => {
diff --git a/test/pages/connectedRobots/ConnectedRobots.test.tsx b/test/pages/connectedRobots/ConnectedRobots.test.tsx
index c2d3749..017b2a2 100644
--- a/test/pages/connectedRobots/ConnectedRobots.test.tsx
+++ b/test/pages/connectedRobots/ConnectedRobots.test.tsx
@@ -25,7 +25,9 @@ class MockEventSource {
 
 // mock event source generation with fake function that returns our fake mock source
 beforeAll(() => {
-  (globalThis as any).EventSource = jest.fn((url: string) => new MockEventSource(url));
+  // Cast globalThis to a type exposing EventSource and assign a mocked constructor.
+  (globalThis as unknown as { EventSource?: typeof EventSource }).EventSource =
+    jest.fn((url: string) => new MockEventSource(url)) as unknown as typeof EventSource;
 });
 
 // clean after tests