diff --git a/doc/fixes34.3 b/doc/fixes34.3
index d39d68503..8ae309ed2 100644
--- a/doc/fixes34.3
+++ b/doc/fixes34.3
@@ -11,6 +11,8 @@ you could exceed the limits on nazgul and erinys counts via bones files
 fix inconsistency where you can't kick something out of a pit, but you can
 	escape the pit and still pick it up; items are now assumed to be at 
 	the bottom of pit
+room cleanup, eg on Bustling Town, could incorrectly truncate room bounds
+	for rooms that become L shared due to partial overlap with the MAP
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/mkmap.c b/src/mkmap.c
index 931775cde..ed24ac9d7 100644
--- a/src/mkmap.c
+++ b/src/mkmap.c
@@ -388,18 +388,6 @@ remove_rooms(lx, ly, hx, hy)
 	    /* TODO: ensure remaining parts of room are still joined */
 
 	    if (!croom->irregular) impossible("regular room in joined map");
-
-	    /* if a "donut" or even disconnected room, leave bounds alone */
-	    if ((croom->lx < lx && croom->hx >= hx) ||
-		(croom->ly < ly && croom->hy >= hy)) {
-		continue;
-	    }
-
-	    /* truncate the side(s) that are covered by the region */
-	    if (croom->lx < lx && croom->hx < hx) croom->hx = lx - 1;
-	    if (croom->lx >= lx && croom->hx >= hx) croom->lx = hx;
-	    if (croom->ly < ly && croom->hy < hy) croom->hy = ly - 1;
-	    if (croom->ly >= ly && croom->hy >= hy) croom->ly = hy;
 	} else {
 	    /* total overlap, remove the room */
 	    remove_room((unsigned)i);