diff --git a/hysop/numerics/fft/gpyfft_fft.py b/hysop/numerics/fft/gpyfft_fft.py
index da2466212090c2333cc90c4ee0a508d8f0c58a46..5c97c1d15b4381a4e035612f9a68d7945c245009 100644
--- a/hysop/numerics/fft/gpyfft_fft.py
+++ b/hysop/numerics/fft/gpyfft_fft.py
@@ -41,7 +41,7 @@ class GpyFFTPlan(OpenClFFTPlanI):
     Emit warnings when transform output has an unaligned buffer offset.
     """
 
-    DEBUG=True
+    DEBUG=False
 
     def __init__(self, cl_env, queue,
             in_array, out_array, axes,
@@ -729,7 +729,6 @@ Post callback source code:
                                             temp_buffer=self.temp_buffer,
                                             wait_for_events=wait_for)
         evt = self.profile(events)
-        evt.wait()
         return evt
 
     def enqueue_arrays(self, *args, **kwds):