diff --git a/setup.py b/setup.py
index 5e338b7..b40c905 100755
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,5 @@ setup(
     extras_require={
         'colored-progress': ['tqdm','colorama'],
         'legendre': ['pyshtools'],
-        'time-coordinates': ['astropy'],
         },    
     )