diff --git a/environment.yml b/environment.yml
index c9e0f7d0..baa8cd01 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,7 +2,6 @@ name: artic
 channels:
   - conda-forge
   - bioconda
-  - defaults
 dependencies:
   - python==3.9
   - bcftools