diff --git a/dev-environment.yml b/dev-environment.yml
index 03444184..67379769 100644
--- a/dev-environment.yml
+++ b/dev-environment.yml
@@ -17,7 +17,6 @@
 name: scyjava-dev
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python >= 3.8
   # Project dependencies
diff --git a/environment.yml b/environment.yml
index c225059a..c1038c57 100644
--- a/environment.yml
+++ b/environment.yml
@@ -18,7 +18,6 @@
 name: scyjava
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python >= 3.8
   # Project dependencies