diff --git a/source/index.rst b/source/index.rst
index bb6d4ac..e432dd6 100644
--- a/source/index.rst
+++ b/source/index.rst
@@ -30,7 +30,6 @@ First, `install conda`_.
 Then perform a one-time set up of Bioconda with the following commands. This
 will modify your :file:`~/.condarc` file::
 
-    conda config --add channels defaults
     conda config --add channels bioconda
     conda config --add channels conda-forge
     conda config --set channel_priority strict