diff --git a/TaskBuilder.fs b/TaskBuilder.fs
index b8e0fec..6a671f9 100644
--- a/TaskBuilder.fs
+++ b/TaskBuilder.fs
@@ -66,11 +66,6 @@ module TaskBuilder =
                     methodBuilder.AwaitUnsafeOnCompleted(&await, &self)    
             member __.SetStateMachine(_) = () // Doesn't really apply since we're a reference type.
 
-    let unwrapException (agg : AggregateException) =
-        let inners = agg.InnerExceptions
-        if inners.Count = 1 then inners.[0]
-        else agg :> Exception
-
     /// Used to represent no-ops like the implicit empty "else" branch of an "if" expression.
     let zero = Return ()
 
@@ -413,4 +408,4 @@ module V2 =
     
         type TaskBuilderV2 with
             member inline __.Bind (task, continuation : 'a -> 'b Step) : 'b Step = (BindI.Priority1 >>= task) continuation
-            member inline __.ReturnFrom a                              : 'b Step = ReturnFromI.Priority1 $ a
\ No newline at end of file
+            member inline __.ReturnFrom a                              : 'b Step = ReturnFromI.Priority1 $ a