diff --git a/TODO.md b/TODO.md
index 7e4c41e..e696b5a 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,7 +4,6 @@ New video ideas:
 
 - Passing by reference
 - Constant reference parameters
-- Inline functions
 - Pre-processor
   - Functions
   - Variables