# SIM003: unused-node

**Code:** `SIM003`

**Name:** `unused-node`

**Severity:** info

**Category:** spec

**Target:** node

**Fixable:** 🔧 Yes

## Message

Node outputs are not consumed.

## Suggestion

Remove unused nodes with `--fix` or `RemoveUnusedNodesPass`.

## Details

Nodes whose outputs are not consumed by any subsequent node or graph
output are dead code. Removing them reduces model size and may
improve inference performance.