diff --git a/contract-ts/ava.config.cjs b/contract-ts/ava.config.cjs
deleted file mode 100644
index b170147..0000000
--- a/contract-ts/ava.config.cjs
+++ /dev/null
@@ -1,15 +0,0 @@
-require('util').inspect.defaultOptions.depth = 5; // Increase AVA's printing depth
-
-module.exports = {
-  timeout: '10000',
-  files: ['sandbox-ts/*.ava.ts'],
-  failWithoutAssertions: false,
-  extensions: {
-		js: true,
-		ts: 'module'
-	},
-  require: ['ts-node/register', 'near-workspaces'],
-  "nodeArguments": [
-		"--import=tsimp"
-	]
-};
\ No newline at end of file
diff --git a/contract-ts/package.json b/contract-ts/package.json
index 52fe7cc..5e719d8 100644
--- a/contract-ts/package.json
+++ b/contract-ts/package.json
@@ -8,16 +8,14 @@
     "test": "$npm_execpath build && ava -- ./build/counter.wasm"
   },
   "dependencies": {
-    "near-cli": "^4.0.8",
     "near-sdk-js": "1.0.0"
   },
   "devDependencies": {
-    "@ava/typescript": "^4.1.0",
-    "ava": "^6.1.2",
+    "ava": "^6.1.3",
     "near-workspaces": "^3.5.0",
-    "ts-morph": "^21.0.1",
-    "ts-node": "^10.9.2",
-    "tsimp": "^2.0.11",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.5"
+  },
+  "ava": {
+    "files": ["sandbox-test/*.ava.js"]
   }
-}
+}
\ No newline at end of file
diff --git a/contract-ts/sandbox-ts/main.ava.ts b/contract-ts/sandbox-test/main.ava.js
similarity index 82%
rename from contract-ts/sandbox-ts/main.ava.ts
rename to contract-ts/sandbox-test/main.ava.js
index 16dc33d..cb84d1d 100644
--- a/contract-ts/sandbox-ts/main.ava.ts
+++ b/contract-ts/sandbox-test/main.ava.js
@@ -1,11 +1,12 @@
-import { Worker, NEAR, NearAccount } from "near-workspaces";
-import anyTest, { TestFn } from "ava";
+import anyTest from 'ava';
+import { Worker, NEAR } from 'near-workspaces';
 import { setDefaultResultOrder } from 'dns'; setDefaultResultOrder('ipv4first'); // temp fix for node >v17
 
-const test = anyTest as TestFn<{
-  worker: Worker;
-  accounts: Record<string, NearAccount>;
-}>;
+/**
+ *  @typedef {import('near-workspaces').NearAccount} NearAccount
+ *  @type {import('ava').TestFn<{worker: Worker, accounts: Record<string, NearAccount>}>}
+ */
+const test = anyTest;
 
 test.beforeEach(async (t) => {
   // Init the worker and start a Sandbox server
@@ -36,7 +37,7 @@ test.afterEach.always(async (t) => {
 
 test("can be incremented", async (t) => {
   const { alice, contract } = t.context.accounts;
-  const startCounter: number = await contract.view("get_num", {});
+  const startCounter = await contract.view("get_num", {});
   await alice.call(contract, "increment", {});
   const endCounter = await contract.view("get_num", {});
   t.is(endCounter, startCounter + 1);
@@ -45,7 +46,7 @@ test("can be incremented", async (t) => {
 test("can be decremented", async (t) => {
   const { alice, contract } = t.context.accounts;
   await alice.call(contract, "increment", {});
-  const startCounter: number = await contract.view("get_num", {});
+  const startCounter = await contract.view("get_num", {});
   await alice.call(contract, "decrement", {});
   const endCounter = await contract.view("get_num", {});
   t.is(endCounter, startCounter - 1);
diff --git a/contract-ts/tsconfig.json b/contract-ts/tsconfig.json
index d2562eb..c3d38e6 100644
--- a/contract-ts/tsconfig.json
+++ b/contract-ts/tsconfig.json
@@ -6,7 +6,6 @@
     "noImplicitAny": false,
   },
   "files": [
-    "sandbox-ts/main.ava.ts",
     "src/contract.ts"
   ],
   "exclude": [