---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid.js
---
# Input
```jsx
try {
	doSomethingThatMightThrow();
} catch (e) {
	throw e;
}

try {
	doSomethingThatMightThrow();
} catch (e) {
	throw e;
} finally {
	cleanUp();
}

```

# Diagnostics
```
invalid.js:4:2 lint/complexity/noUselessCatch ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! The catch clause that only rethrows the original error is redundant.
  
    2 │ 	doSomethingThatMightThrow();
    3 │ } catch (e) {
  > 4 │ 	throw e;
      │ 	^^^^^^^^
    5 │ }
    6 │ 
  
  i These unnecessary catch clauses can be confusing. It is recommended to remove them.
  

```

```
invalid.js:10:2 lint/complexity/noUselessCatch ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! The catch clause that only rethrows the original error is redundant.
  
     8 │ 	doSomethingThatMightThrow();
     9 │ } catch (e) {
  > 10 │ 	throw e;
       │ 	^^^^^^^^
    11 │ } finally {
    12 │ 	cleanUp();
  
  i These unnecessary catch clauses can be confusing. It is recommended to remove them.
  

```