diff --git a/Design.md b/Design.md
index 6240837..d3b3f33 100644
--- a/Design.md
+++ b/Design.md
@@ -42,7 +42,6 @@ In oh-my-zsh.sh:
 - `ENABLE_CORRECTION`
 - `ZSH_CACHE_DIR`
 - `ZSH_COMPDUMP`
-- `ZSH_THEME`
 - `ZSH_VERSION`
 - `ZDOTDIR`
 - Standard Unix environment variables