diff --git a/readme.md b/readme.md
index cd3450f..a56b822 100644
--- a/readme.md
+++ b/readme.md
@@ -256,14 +256,6 @@ const predicate = (a) => a > 2;
 [1, 2, 3, 4].filter(predicate); // [3, 4]
 ```
 
-## Contracts
-
-TODO
-
-## Guarded Functions
-
-TODO
-
 ## Categories
 
 Objects with associated functions that adhere to certain rules. E.g. [Monoid](#monoid)
@@ -626,10 +618,6 @@ const sum = (list) => list.reduce((acc, val) => acc + val, 0);
 sum([1, 2, 3]) // 6
 ```
 
-## Traversable
-
-TODO
-
 ## Type Signatures
 
 Often functions in JavaScript will include comments that indicate the types of their arguments and return values.