diff --git a/dev-environment.yml b/dev-environment.yml
index 5bf73db..4f5c6f3 100644
--- a/dev-environment.yml
+++ b/dev-environment.yml
@@ -18,7 +18,6 @@
 name: imglyb-dev
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python >= 3.7
   # Project dependencies
diff --git a/environment.yml b/environment.yml
index 81f902f..6eaeaef 100644
--- a/environment.yml
+++ b/environment.yml
@@ -18,7 +18,6 @@
 name: imglyb
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python >= 3.7
   # Project dependencies