Lockscreen 6.0.1 Disable Features

[TurmaGW]

I've highlighted the Feature installed @ Lockscreen i want to  remove. As you see there is a "button" to start the google voice search.

The simple Question  -- HOW TO remove the voice search @ Lock screen?

[FR_cz]

Hi, after update my Z3 to android 6.0.1.  is displayed on down of the left "locked screen"  an microphone icon (google voice searching) onstead of the original icon for calling...? Very unhappy improvementst  Can I set it back?