diff --git a/spec/Section 3 -- Type System.md b/spec/Section 3 -- Type System.md
index 7f974a90b..6941e20d8 100644
--- a/spec/Section 3 -- Type System.md	
+++ b/spec/Section 3 -- Type System.md	
@@ -755,28 +755,6 @@ Union types have the potential to be invalid if incorrectly defined.
    Similarly, wrapping types may not be member types of a Union.
 2. A Union type must define one or more unique member types.
 
-#### Union type syntax
-
-Union types are defined by delimiting one or more types with a single vertical bar character `|`:
-
-```graphql
-union SearchResult = Photo | Person
-```
-
-You may also use a leading vertical bar:
-
-```graphql
-union SearchResult =
-  | Photo
-  | Person
-```
-
-Trailing delimiters are not supported:
-
-```!graphql
-union SearchResult = Photo | Person |
-```
-
 ### Enums
 
 GraphQL Enums are a variant on the Scalar type, which represents one of a