Agi pipe between brick retaining wall and next doors fence?

already have an agi pipe on the first course of the brick wall it’s just the neighbours fence steps up higher so I put this Brickie’s flashing in I was gunna go underneath too with the flashing but I didn’t want it to puddle up and smell out the back yard is this good enough or won’t do anything? I’m just trying to get the water away from the brick wall and the fence.. this brick wall is just a fence too it’s not part of the house 

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