diff --git a/src/Dodge/Block.hs b/src/Dodge/Block.hs
index 60d5fd3d7..76a44776c 100644
--- a/src/Dodge/Block.hs
+++ b/src/Dodge/Block.hs
@@ -67,7 +67,7 @@ maybeClearPath :: World -> (Int,Int,PathEdge) -> World
 maybeClearPath w (x,y,pe) 
     | runIdentity . S.any_ (const True) $ overlapSegWalls (_peStart pe) (_peEnd pe) $ wlsNearSeg (_peStart pe) (_peEnd pe) w
         = w
-    | otherwise = w & pathGraph %~ (FGL.insEdge (x,y,pe & peObstacles .~ mempty)) . FGL.delEdge (x,y) 
+    | otherwise = w & pathGraph %~ FGL.insEdge (x,y,pe & peObstacles .~ mempty) . FGL.delEdge (x,y) 
 
 destroyDoor :: Door -> World -> World
 destroyDoor dr w = w
diff --git a/src/Dodge/Path.hs b/src/Dodge/Path.hs
index d61c1d6ca..f9faf8839 100644
--- a/src/Dodge/Path.hs
+++ b/src/Dodge/Path.hs
@@ -36,10 +36,6 @@ makePathBetween a b w = do -- join $ sp <$> a' <*> b' <*> return (_pathGraph w)
     na <- walkableNodeNear w a
     nb <- walkableNodeNear w b
     sp na nb (second _peDist (_pathGraph w))
-  where
-    --nodesNear p = concat $ lookLookups (zoneNearPointIP p) (_pathPoints w)
---    nodesNear p = runIdentity . S.toList_ $ nearPoint _pnZoning p w
---    walkableNodeNear p = fmap fst . find (flip (isWalkable p) w . snd) $ nodesNear p
 
 walkableNodeNear :: World -> Point2 -> Maybe Int
 {-# INLINE walkableNodeNear #-}
@@ -132,7 +128,7 @@ obstructPathsCrossing sp ep w =
     edgecrosses (_,_,pe) = isJust $ intersectSegSeg sp ep (_peStart pe) (_peEnd pe)
     updateedges gr = runIdentity $ S.fold_ updateedge gr id edges
     updateedge gr (x,y,pe) 
-        = insEdge (x,y,pe & peObstacles . at BlockObstacle .~ Just ()) $ delEdge (x,y) gr
+        = insEdge (x,y,pe & peObstacles . at BlockObstacle ?~ ()) $ delEdge (x,y) gr
 
 removePathsCrossing :: Point2 -> Point2 -> World -> World
 removePathsCrossing a b w = w
diff --git a/src/Dodge/Placement/PlaceSpot/Block.hs b/src/Dodge/Placement/PlaceSpot/Block.hs
index 2a39b6964..355ca030d 100644
--- a/src/Dodge/Placement/PlaceSpot/Block.hs
+++ b/src/Dodge/Placement/PlaceSpot/Block.hs
@@ -68,7 +68,7 @@ plLineBlock basePane blwidth a b gw = ( 0
     blid = IM.newKey $ _blocks gw
     insertBlock (i,p) = 
         insertWalls (i + blid) (makeWallAt p i)
-        . (over blocks $ IM.insert (i+blid) Block 
+        . over blocks (IM.insert (i+blid) Block 
         { _blID = i + blid, _blWallIDs = IS.fromList $ ksAtI i
         , _blHP = 1000, _blShadows = shadowsAt i
         , _blDir = 0    -- THIS IS NOT SENSIBLE. TODO rethink block positioning