diff --git a/environments/fluviewer.yml b/environments/fluviewer.yml
index 1b4ba55..d5567cb 100644
--- a/environments/fluviewer.yml
+++ b/environments/fluviewer.yml
@@ -2,7 +2,6 @@ name: fluviewer-nf-FluViewer
 channels:
   - conda-forge
   - bioconda
-  - defaults
 dependencies:
   - bbmap=39.01
   - bcftools=1.17
diff --git a/environments/nextclade.yml b/environments/nextclade.yml
index d71dca4..e85e51a 100644
--- a/environments/nextclade.yml
+++ b/environments/nextclade.yml
@@ -2,6 +2,5 @@ name: fluviewer-nf-nextclade
 channels:
 - conda-forge
 - bioconda
-- defaults
 dependencies:
 - nextclade=3.8.1