diff --git a/_config.yml b/_config.yml
index 47db20a..15ff548 100644
--- a/_config.yml
+++ b/_config.yml
@@ -199,16 +199,16 @@ kramdown:
 # Collections
 collections:
   teaching:
-    output: true
+    output: false
     permalink: /:collection/:path/
   publications:
-    output: true
+    output: false
     permalink: /:collection/:path/
   portfolio:
     output: true
     permalink: /:collection/:path/
   talks:
-    output: true
+    output: false
     permalink: /:collection/:path/