diff --git a/Examples/test-suite/aggregate.i b/Examples/test-suite/aggregate.i
index 3e4def28c..028efc3e4 100644
--- a/Examples/test-suite/aggregate.i
+++ b/Examples/test-suite/aggregate.i
@@ -3,25 +3,16 @@
    %aggregate_check() works.  This is defined in swig.swg.
 
    Next, it checks to make sure a simple contract works.
-   To support contracts, you need to add a collection of
-   macros to the runtime.  For python, they look like this:
+   To support contracts, you need to add a macro to the runtime.
+   For Python, it looks like this:
 
-#define SWIG_preassert(expr, msg)  if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-#define SWIG_postassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
+#define SWIG_contract_assert(expr, msg)  if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
 
-#define SWIG_inherit_preassert(expr, msg)  if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-#define SWIG_inherit_postassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-
-#define SWIG_invariant(expr, msg)       if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-#define SWIG_invariant_begin(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-#define SWIG_invariant_end(expr, msg)   if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
-
-   Note: They are used like this:
-   SWIG_preassert(x == 1, "Some kind of error message");
+   Note: It is used like this:
+   SWIG_contract_assert(x == 1, "Some kind of error message");
 
    Note: Contracts are still experimental.  The runtime interface may
-   change in future versions.   Also, it's a bit nasty since these
-   macros need to throw exceptions and get out of the wrapper.  Sorry.
+   change in future versions.   
    */
 
 %module aggregate