diff --git a/.test-conda-env-py3.yml b/.test-conda-env-py3.yml
index 31c74378f0dcf8af7687785ee5cf906172dcecb3..2fafdef74419f2acafb702ae1de5d31caa030513 100644
--- a/.test-conda-env-py3.yml
+++ b/.test-conda-env-py3.yml
@@ -5,11 +5,7 @@ channels:
 dependencies:
 - git
 - numpy
-
-# to avoid conflict with system openmpi's libhwloc
-- libhwloc=1
 - pocl
-
 - islpy
 - pyopencl
 - python=3