diff --git a/setup.cfg b/setup.cfg
index 647222a..56ddf79 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,9 +47,8 @@ install_requires =
   scipy
   sunpy
   tqdm
-  xarray[io]
+  xarray
   numba
-  radynpy
 
 
 [options.extras_require]
@@ -93,4 +92,4 @@ length_sort_sections=stdlib
 line_length = 110
 multi_line_output = 3
 no_lines_before = LOCALFOLDER
-sections = STDLIB, THIRDPARTY, FIRSTPARTY, LOCALFOLDER
\ No newline at end of file
+sections = STDLIB, THIRDPARTY, FIRSTPARTY, LOCALFOLDER