Google Keyboard is the default keyboard in Android 5, Lollipop. By default, its configured to enable vibration on key press. If you are someone who dislikes this feature, here is a simple way to turn off keyboard vibration in it:
Steps to Disable or Turn Off Keyboard Vibration:
- Go to Home -> Settings -> Language & input
- Locate “Google Keyboard” (under Keyboard & input methods) and tap it
- Tap on Preferences
- Turn off the “Vibrate on keypress” option
UPDATE: For Android 6 (Marsh Mallow) use these steps