diff --git a/backend/src/utils/AppError.d.ts b/backend/src/utils/AppError.d.ts
deleted file mode 100644
index 53429ac..0000000
--- a/backend/src/utils/AppError.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export class AppError extends Error {
-  statusCode: number;
-  status: string;
-  isOperational: boolean;
-
-  constructor(message: string, statusCode: number);
-} 
\ No newline at end of file
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 620ba88..5cca0f5 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -2,6 +2,7 @@
   "compilerOptions": {
     "target": "ES2020",
     "module": "commonjs",
+    "moduleResolution": "node",
     "outDir": "./dist",
     "rootDir": "./src",
     "strict": true,