diff --git a/dev-environment.yml b/dev-environment.yml
index e7f9d2c..d678ce3 100644
--- a/dev-environment.yml
+++ b/dev-environment.yml
@@ -17,7 +17,6 @@
 name: appose-dev
 channels:
   - conda-forge
-  - defaults
   - forklift
 dependencies:
   - python >= 3.10
diff --git a/environment.yml b/environment.yml
index c1e2a5b..ce97e40 100644
--- a/environment.yml
+++ b/environment.yml
@@ -18,7 +18,6 @@
 name: appose
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python >= 3.10
   # Project from source