diff --git a/bilby/core/prior.py b/bilby/core/prior.py
index 8b9db5f622da3b07093e509c9053b641bb25078c..3dd35fb6c862dacfc45b48bf4a678b221f4195e0 100644
--- a/bilby/core/prior.py
+++ b/bilby/core/prior.py
@@ -13,8 +13,7 @@ from scipy.special import erf, erfinv
 
 # Keep import bilby statement, it is necessary for some eval() statements
 import bilby  # noqa
-from . import utils import logger, infer_args_from_method
-from .utils import logger
+from .utils import logger, infer_args_from_method
 
 
 class PriorDict(OrderedDict):
diff --git a/bilby/core/sampler/pymc3.py b/bilby/core/sampler/pymc3.py
index 7afe8f3923a745d96712c7e1f2ef72e3039a16d0..885b3b053a53eac8039a57873b88c21d76a1e980 100644
--- a/bilby/core/sampler/pymc3.py
+++ b/bilby/core/sampler/pymc3.py
@@ -1,7 +1,6 @@
 from __future__ import absolute_import, print_function
 
 from collections import OrderedDict
-import inspect
 
 import numpy as np