Use DeleteTopicRule with an AWS SDK or CLI

//! Delete an AWS IoT rule.
/*!
  \param ruleName: The name for the rule.
  \param clientConfiguration: AWS client configuration.
  \return bool: Function succeeded.
 */
bool AwsDoc::IoT::deleteTopicRule(const Aws::String &ruleName,
                                  const Aws::Client::ClientConfiguration &clientConfiguration) {
    Aws::IoT::IoTClient iotClient(clientConfiguration);
    Aws::IoT::Model::DeleteTopicRuleRequest request;
    request.SetRuleName(ruleName);

    Aws::IoT::Model::DeleteTopicRuleOutcome outcome = iotClient.DeleteTopicRule(
            request);
    if (outcome.IsSuccess()) {
        std::cout << "Successfully deleted rule " << ruleName << std::endl;
    }
    else {
        std::cerr << "Failed to delete rule " << ruleName <<
                  ": " << outcome.GetError().GetMessage() << std::endl;
    }

    return outcome.IsSuccess();
}

To delete a rule

The following delete-topic-rule example deletes the specified rule.

aws iot delete-topic-rule \
    --rule-name "LowMoistureRule"

This command produces no output.

For more information, see Deleting a Rule in the AWS IoT Developers Guide.

class IoTWrapper:
    """Encapsulates AWS IoT actions."""

    def __init__(self, iot_client, iot_data_client=None):
        """
        :param iot_client: A Boto3 AWS IoT client.
        :param iot_data_client: A Boto3 AWS IoT Data Plane client.
        """
        self.iot_client = iot_client
        self.iot_data_client = iot_data_client

    @classmethod
    def from_client(cls):
        iot_client = boto3.client("iot")
        iot_data_client = boto3.client("iot-data")
        return cls(iot_client, iot_data_client)

    def delete_topic_rule(self, rule_name):
        """
        Deletes an AWS IoT topic rule.

        :param rule_name: The name of the rule to delete.
        """
        try:
            self.iot_client.delete_topic_rule(ruleName=rule_name)
            logger.info("Deleted topic rule %s.", rule_name)
        except ClientError as err:
            logger.error(
                "Couldn't delete topic rule. Here's why: %s: %s",
                err.response["Error"]["Code"],
                err.response["Error"]["Message"],
            )
            raise