diff -urN numpy-1.10.2.orig/numpy/core/src/multiarray/multiarraymodule.c numpy-1.10.2/numpy/core/src/multiarray/multiarraymodule.c
--- numpy-1.10.2.orig/numpy/core/src/multiarray/multiarraymodule.c	2015-11-12 13:04:51.000000000 -0700
+++ numpy-1.10.2/numpy/core/src/multiarray/multiarraymodule.c	2016-03-30 06:20:16.617824700 -0700
@@ -4556,15 +4556,6 @@
         goto err;
     }

-#if defined(MS_WIN64) && defined(__GNUC__)
-  PyErr_WarnEx(PyExc_Warning,
-        "Numpy built with MINGW-W64 on Windows 64 bits is experimental, " \
-        "and only available for \n" \
-        "testing. You are advised not to use it for production. \n\n" \
-        "CRASHES ARE TO BE EXPECTED - PLEASE REPORT THEM TO NUMPY DEVELOPERS",
-        1);
-#endif
-
     /* Initialize access to the PyDateTime API */
     numpy_pydatetime_import();