diff --git a/bilby/gw/__init__.py b/bilby/gw/__init__.py
index abe92cb1510777ca64435a2ba7ffb027e3f06004..9facdc6ee7c56c2d4fb7d5d2f61ef087cd623453 100644
--- a/bilby/gw/__init__.py
+++ b/bilby/gw/__init__.py
@@ -1,5 +1,5 @@
 from . import (calibration, conversion, cosmology, detector, likelihood, prior,
-               result, series, source, utils, waveform_generator)
+               result, source, utils, waveform_generator)
 
 
 from .waveform_generator import WaveformGenerator