diff --git a/examples/dogfooding/src/index.ts b/examples/dogfooding/src/index.ts
index e850495..58ca8a6 100644
--- a/examples/dogfooding/src/index.ts
+++ b/examples/dogfooding/src/index.ts
@@ -77,7 +77,7 @@ async function initializeApp() {
     const subscribeToMessages = async () => {
       const decoder = createWakuDecoder();
       console.log("Subscribing to messages...");
-      await node.filter.subscribe(decoder, (wakuMessage: DecodedMessage) => { 
+      await node.nextFilter.subscribe(decoder, (wakuMessage: DecodedMessage) => { 
         console.log("Raw Waku message received, payload length:", wakuMessage.payload.length);
         const chatMessage = decodeMessage(wakuMessage.payload);
 
diff --git a/examples/dogfooding/src/util.ts b/examples/dogfooding/src/util.ts
deleted file mode 100644
index de5580c..0000000
--- a/examples/dogfooding/src/util.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-export const generateRandomNumber = (): number => {
-  return Math.floor(Math.random() * 1000000);
-};
-
-export const sha256 = async (number: number | string ): Promise<string> => {
-    const encoder = new TextEncoder();
-    const data = encoder.encode(number.toString());
-    const buffer = await crypto.subtle.digest("SHA-256", data);
-    return Array.from(new Uint8Array(buffer))
-      .map((b) => b.toString(16).padStart(2, "0"))
-      .join("");
-  };