diff --git a/package.json b/package.json
index 78582122..47c7613f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "test:psql": "jest --config jest.config.psql.mjs --runInBand",
     "test:ci:s3": "jest --config jest.config.s3.ci.mjs --runInBand",
     "test:ci:psql": "npm run test:ci:psql:init && jest --config jest.config.psql.ci.mjs --runInBand",
-    "test:ci:psql:init": "ts-node test/environment/init-db.ts"
+    "test:ci:psql:init": "node test/environment/init-db.mjs"
   },
   "repository": {
     "type": "git",
diff --git a/test/environment/init-db.ts b/test/environment/init-db.mjs
similarity index 86%
rename from test/environment/init-db.ts
rename to test/environment/init-db.mjs
index dc87eff4..cd166940 100644
--- a/test/environment/init-db.ts
+++ b/test/environment/init-db.mjs
@@ -1,9 +1,9 @@
 import path from 'node:path';
 
-import knex, { type Knex } from 'knex';
+import knex from 'knex';
 
-void (async (): Promise<void> => {
-  let connection: Knex | undefined;
+void (async () => {
+  let connection;
   try {
     connection = knex({
       client: 'pg',
@@ -25,7 +25,7 @@ void (async (): Promise<void> => {
     await connection('users').insert({ c2c_id: 1 });
     await connection('users').insert({ c2c_id: 2 });
     console.log('DB initialized 🚀');
-  } catch (error: unknown) {
+  } catch (error) {
     console.error(error);
   } finally {
     await connection?.destroy();
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
index f00b42ce..2c82d68e 100644
--- a/tsconfig.eslint.json
+++ b/tsconfig.eslint.json
@@ -4,6 +4,6 @@
     "rootDir": ".",
     "outDir": "./dist"
   },
-  "include": ["src/**/*.ts", "test/**/*.ts", "test/**/*.js", "jest.config.*"],
+  "include": ["src/**/*.ts", "test/**/*.ts"],
   "exclude": ["node_modules"]
 }