diff --git a/cuburn/code/util.py b/cuburn/code/util.py
index 844b6e7..10d771a 100644
--- a/cuburn/code/util.py
+++ b/cuburn/code/util.py
@@ -5,8 +5,13 @@ import os
 import tempfile
 from collections import namedtuple
 
-import pycuda.driver as cuda
-import pycuda.compiler
+try:
+    import pycuda.driver as cuda
+    import pycuda.compiler
+except ImportError, e:
+    import traceback
+    traceback.print_exc()
+    print 'Continuing without CUDA. Things will break.'
 import numpy as np
 import tempita
 
diff --git a/cuburn/genome/blend.py b/cuburn/genome/blend.py
index e5783c2..c8edd9b 100644
--- a/cuburn/genome/blend.py
+++ b/cuburn/genome/blend.py
@@ -6,7 +6,6 @@
 import numpy as np
 from copy import deepcopy
 from itertools import izip_longest
-from scipy.ndimage.filters import gaussian_filter1d
 
 import spectypes
 import specs