How to turn off constraint lines drawn using OpenGL render? When rendering my animation with OpenGL Render instead of the normal Render I see it's wonderfully extremely fast. 

But it draws object linking lines in each frame that normal render doesn't. How do I turn these off please?
In properties panel, turn off Relationship Lines under Display (or better, select Only Render). Guess, OpenGL uses the same render engine used by material viewport shading.