diff --git a/rx/schedulers.nim b/rx/schedulers.nim
index 0781624..d223192 100644
--- a/rx/schedulers.nim
+++ b/rx/schedulers.nim
@@ -8,10 +8,10 @@ type Scheduler* = object
 template millis(t: TimeInterval): auto =
   t.milliseconds + 1000 * t.seconds # fix me
 
-template schedule*(s: Scheduler, p: expr) =
+template schedule*(s: Scheduler, p: untyped) =
   s.scheduleNow(p)
 
-template schedule*(s: Scheduler, p, t: expr) =
+template schedule*(s: Scheduler, p, t: untyped) =
   s.scheduleLater(p, t)
 
 proc immediateScheduler*(): Scheduler =
diff --git a/test.nim b/test.nim
index 9e89107..3ab6a0a 100644
--- a/test.nim
+++ b/test.nim
@@ -1,7 +1,6 @@
 import unittest, rx, future, times
 
 type
-  UnexpectedOnError = object of Exception
   TR[A] = object
     elems: seq[A]
     completed: bool