diff --git a/config.yaml b/config.yaml
index 3e93eb5..68c1fda 100644
--- a/config.yaml
+++ b/config.yaml
@@ -71,7 +71,6 @@ episodes:
 - 10-conda_integration.md
 - 11-assembly_challenge.md
 - 12-cleaning_up.md
-- 13-quoting.md
 
 # Information for Learners
 learners: