diff --git a/std/parallelism.d b/std/parallelism.d
index 1ebd79ec0..567763188 100644
--- a/std/parallelism.d
+++ b/std/parallelism.d
@@ -403,10 +403,6 @@ pointer.
 
 Bugs:  Changes to $(D ref) and $(D out) arguments are not propagated to the
        call site, only to $(D args) in this struct.
-
-       Copying is not actually disabled yet due to compiler bugs.  In the
-       mean time, please understand that if you copy this struct, you're
-       relying on implementation bugs.
 */
 struct Task(alias fun, Args...) {
     // Work around syntactic ambiguity w.r.t. address of function return vals.
@@ -656,7 +652,7 @@ struct Task(alias fun, Args...) {
 
     // When this is uncommented, it somehow gets called even though it's
     // disabled and Bad Things Happen.
-    //@disable this(this) { assert(0);}
+    @disable this(this) { assert(0);}
 }