diff --git a/config/CODENAMES b/config/CODENAMES
index 1b8fd7cc2d..5f0ec39572 100644
--- a/config/CODENAMES
+++ b/config/CODENAMES
@@ -1,5 +1,3 @@
-gadolinium-gator
-hafnium-heron
 indium-iguana
 krypton-koala
 lanthanum-leopard