diff --git a/examples/demo_array.py b/examples/demo_array.py
index d8afb59458436b6bb58503012cd84837f74ed705..41b0f79ef2ccb74a807a8da5aff5eedf6a3bb15f 100644
--- a/examples/demo_array.py
+++ b/examples/demo_array.py
@@ -9,7 +9,6 @@ b = numpy.random.rand(50000).astype(numpy.float32)
 ctx = cl.create_some_context()
 queue = cl.CommandQueue(ctx)
 
-mf = cl.mem_flags
 a_dev = cl_array.to_device(queue, a)
 b_dev = cl_array.to_device(queue, b)
 dest_dev = cl_array.empty_like(a_dev)