> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-mux-docs-claude-6.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IB20.revokeRole

> Generated B20 reference for revokeRole(bytes32,address).

## Signature

```solidity theme={null}
function revokeRole(bytes32 role, address account) external;
```

| Field               | Value                         |
| ------------------- | ----------------------------- |
| Selector            | `0xd547741f`                  |
| Canonical signature | `revokeRole(bytes32,address)` |

## Description

Revokes `role` from `account`. Emits `RoleRevoked`.

## Parameters

| Parameter | Description             |
| --------- | ----------------------- |
| `role`    | Role to revoke.         |
| `account` | Account to revoke from. |

## Reverts

* `AccessControlUnauthorizedAccount` when the caller does not hold the admin role for `role`, or when the token has been transitioned to admin-less via `renounceLastAdmin`.
* `LastAdminCannotRenounce` when `role == DEFAULT_ADMIN_ROLE` and `account` is the last default admin. Use `renounceLastAdmin` to clear the final admin.

## Access control

Uses the B20 access-control role graph. Factory initCalls bypass role gates during creation.

## Policy interaction

No direct policy interaction.

## Example

```solidity theme={null}
IB20(target).revokeRole(role, account);
```