diff --git a/include/boost/fiber/fiber.hpp b/include/boost/fiber/fiber.hpp
index 8aae85cf..2f862228 100644
--- a/include/boost/fiber/fiber.hpp
+++ b/include/boost/fiber/fiber.hpp
@@ -64,10 +64,6 @@ public:
         impl_( 0)
     {}
 
-    explicit fiber( detail::worker_fiber * imp) BOOST_NOEXCEPT :
-        impl_( imp)
-    {}
-
 #ifndef BOOST_NO_RVALUE_REFERENCES
 #ifdef BOOST_MSVC
     typedef void ( * fiber_fn)();