diff --git a/horayzon/auxiliary.py b/horayzon/auxiliary.py
index a4618dd..102da4e 100755
--- a/horayzon/auxiliary.py
+++ b/horayzon/auxiliary.py
@@ -6,9 +6,6 @@
 import numpy as np
 from tqdm import tqdm
 import requests
-from pyproj import CRS, Transformer
-import glob
-from osgeo import gdal
 import horayzon
 
 
diff --git a/horayzon/directions.pyx b/horayzon/direction.pyx
similarity index 100%
rename from horayzon/directions.pyx
rename to horayzon/direction.pyx
diff --git a/setup.py b/setup.py
index 39fc8ed..87b6331 100644
--- a/setup.py
+++ b/setup.py
@@ -53,8 +53,8 @@
               extra_compile_args=["-O3", "-ffast-math", "-fopenmp"],
               extra_link_args=["-fopenmp"],
               include_dirs=[np.get_include()]),
-    Extension("directions",
-              ["horayzon/directions.pyx"],
+    Extension("direction",
+              ["horayzon/direction.pyx"],
               libraries=libraries_cython,
               extra_compile_args=["-O3", "-ffast-math", "-fopenmp"],
               extra_link_args=["-fopenmp"],