diff --git a/quick-start-guide.md b/quick-start-guide.md
index 85b9050..2dc5d20 100644
--- a/quick-start-guide.md
+++ b/quick-start-guide.md
@@ -98,7 +98,6 @@ array.printMe();
 There are several underscore functions provided by default:
 
 ```
-_index(self, first, second, third, assign, op) //don't use this
 _set(self, key, value)                         //array, dictionary
 _get(self, key)                                //array, dictionary
 _push(self, value)                             //array
@@ -107,8 +106,6 @@ _length(self)                                  //array, dictionary, string
 _clear(self)                                   //array, dictionary
 ```
 
-The `_index` function is simply used for slice notation, so it's recommended that you don't use it or overwrite it.
-
 ## Slice Notation
 
 When indexing a compound value, you can use slice notation to manipulate it's elements: