That it was instead your situation that changed doesn't efface your mutual obligation.
From the sltrib.com
Cappleman does something someday to efface his bold stand against pigeons.
From the suntimes.com
A shy man, he tended to efface himself in teams and collaborations.
From the economist.com
Now Catherine set out to efface or outdo her former rival's work.
From the en.wikipedia.org
Globalisation, America and the European Union are all said to have had a hand in the plot to efface secularism.
From the economist.com
Each new layer is used to refine the color transitions or to efface visible irregularities in the existing color.
From the en.wikipedia.org
While Russian prisoners searched their minds for guilt, he seeks to efface himself, as if he indeed existed in a state of shame.
From the latimes.com
By emitting ECM, or electronic countermeasure radio frequency signals, the Blackbird can efface its image from watching radar screens.
From the time.com
To efface the shame of the bin Laden raid, it would try and demonstrate its commitment to fighting al-Qaeda and other Islamist militants on its soil.
From the time.com
More examples
Obliterate: remove completely from recognition or memory; "efface the memory of the time in the camps"
Make inconspicuous; "efface oneself"
Erase: remove by or as if by rubbing or erasing; "Please erase the formula on the blackboard--it is wrong!"
Effacement is the shortening, or thinning, of a tissue.
To erase (as anything impressed or inscribed upon a surface); to render illegible or indiscernible; To cause to disappear as if by rubbing out or striking out; To make oneself inobtrusive as if due to modesty or diffidence; Of the cervix during pregnancy, to thin and stretch in preparation ...
A position of the body at an oblique angle and partly hidden.
["effaced"]. A position on stage in which the dancer faces one of the downstage corners with the legs crossed, upstage leg forward. The downstage arm is usually raised in this position, so that the face is shaded, or effaced; hence the name.
(ay-fah-say') A position with one leg either behind or in front.