template clear by API

[samarit]

Is it possible to unlink and clear template from host through API request? (like button "Unlink and clear" in host configuration)
I found option "templates_clear" for "method":"template.update" and example with this option, but it's don't work for me: new template was linked to host, but old template was not unlink and not cleared.

"jsonrpc":"2.0",
"method":"template.update",
"params":{
"templateid": "10159",
"hosts": [ {"hostid": "10158"} ],
"templates_clear": [{"templateid": "10157"}]

[mcmyst]

Quite old post but the only one that I have found about this subject.

I am trying to unlink and clear a template from a host, with this request:

"params": {
    "templates_clear": [{"templateid": "34302"}],
    "hosts": [{"hostid": "34297"}],
    "templateid": "34302"
}

But this is not working : no errors, but the template is still linked to the host.
I am working with zabbix 1.8.12.

EDIT:
I have also tried this :

params": {
    "hosts": [{"hostid": "34297"}], 
    "templates_clear": [{"templateid": "34302"}]
}

But I am getting an error...

[mcmyst]

I have found the solution, I have to use host.update method like that:

"params": {
    "hostid": "34297", 
    "templates_clear": [{"templateid": "34302"}]
}