diff --git a/python/ext/aubiomodule.c b/python/ext/aubiomodule.c
index 49068eb..42c2ee5 100644
--- a/python/ext/aubiomodule.c
+++ b/python/ext/aubiomodule.c
@@ -75,7 +75,7 @@ static char Py_min_removal_doc[] = ""
 ">>> min_removal(a)";
 
 extern void add_generated_objects ( PyObject *m );
-extern void add_ufuncs ( PyObject *m );
+//extern void add_ufuncs ( PyObject *m );
 extern int generated_types_ready(void);
 
 static PyObject *
@@ -313,7 +313,7 @@ initaubio (void)
   add_generated_objects(m);
 
   // add ufunc
-  add_ufuncs(m);
+  //add_ufuncs(m);
 
   return m;
 }
diff --git a/python/setup.py b/python/setup.py
index 6361506..821323e 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -38,7 +38,7 @@ if os.path.isfile('../src/aubio.h'):
 aubio_extension = Extension("aubio._aubio", [
     "ext/aubiomodule.c",
     "ext/aubioproxy.c",
-    "ext/ufuncs.c",
+    #"ext/ufuncs.c",
     "ext/py-musicutils.c",
     "ext/py-cvec.c",
     # example without macro