diff --git a/examples/pipe_ex.cpp b/examples/pipe_ex.cpp
index 86dacdd8f..80c3530ee 100644
--- a/examples/pipe_ex.cpp
+++ b/examples/pipe_ex.cpp
@@ -115,7 +115,7 @@ public:
     // There are only two requirements on the type of objects you can use in a
     // pipe, first they must have a default constructor and second they must
     // be swappable by a global swap().
-    dlib::pipe<job>::kernel_1a job_pipe;
+    dlib::pipe<job> job_pipe;
 
 private:
     void thread ()
diff --git a/examples/pipe_ex_2.cpp b/examples/pipe_ex_2.cpp
index 07b8a24f8..97de6dccf 100644
--- a/examples/pipe_ex_2.cpp
+++ b/examples/pipe_ex_2.cpp
@@ -48,9 +48,6 @@ typedef type_safe_union<int, float, std::string> tsu_type;
   
 */
 
-// And here we have a typedef for the pipe we will be using
-typedef dlib::pipe<tsu_type>::kernel_1a pipe_type;
-
 // ----------------------------------------------------------------------------------------
 
 class pipe_example : private threaded_object 
@@ -81,7 +78,7 @@ public:
     }
 
     // Here we declare our pipe object.  It will contain our messages.
-    pipe_type message_pipe;
+    dlib::pipe<tsu_type> message_pipe;
 
 private: