When try to delete saved filter from active timeselector tab, filter tab is still displayed as existing. 

Steps to reproduce: 

1) Create new filter in Monitoring->Problems. 

2) Choose "Show" field as "History".

3) Go to timeselector tab

4) On active filter tab click gear icon. 

5) Press delete button on appeared popup. 

Result: 

Timeselctor tab disappear. Filter tab still exists. 

Expected:

Saved filter removed.