---
url: /docs/guide/usage/linter/rules/typescript/no-unnecessary-type-conversion.md
---

### What it does

Disallow unnecessary type conversion expressions.

### Why is this bad?

Type conversions that do not change a value's type or runtime behavior
add noise and can obscure intent.

### Examples

Examples of **incorrect** code for this rule:

```ts
const value = String("asdf");
```

Examples of **correct** code for this rule:

```ts
const value = "asdf";
```

## How to use

## Version

This rule was added in v1.49.0.

## References
