diff --git a/compiler/ast.nim b/compiler/ast.nim
index 762e09a952..db6003b874 100644
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@@ -681,7 +681,6 @@ type
     heapRoot*: PRope          # keeps track of the enclosing heap object that
                               # owns this location (required by GC algorithms
                               # employing heap snapshots or sliding views)
-    #a*: int                   # location's "address", i.e. slot for temporaries
 
   # ---------------- end of backend information ------------------------------
 
diff --git a/todo.txt b/todo.txt
index 1e01793de0..e24175e8b2 100644
--- a/todo.txt
+++ b/todo.txt
@@ -15,9 +15,7 @@ Concurrency
 -----------
 
 - test 'deepCopy' for closures
-
 - implement 'foo[1..4] = spawn(f[4..7])'
-- document the new 'spawn' and 'parallel' statements
 
 Low priority:
 - support for exception propagation? (hard to implement)