diff --git a/railties/lib/rails/generators/rails/model/USAGE b/railties/lib/rails/generators/rails/model/USAGE
index 025bcf4774b23..c95e523fb5f54 100644
--- a/railties/lib/rails/generators/rails/model/USAGE
+++ b/railties/lib/rails/generators/rails/model/USAGE
@@ -35,17 +35,7 @@ Available field types:
     type. If no type is specified the string type will be used by default.
     You can use the following types:
 
-        integer
-        primary_key
-        decimal
-        float
-        boolean
-        binary
-        string
-        text
-        date
-        time
-        datetime
+        <%= ActiveRecord::Base.connection.native_database_types.keys.join("\n\t") %>
 
     You can also consider `references` as a kind of type. For instance, if you run: