diff --git a/README.md b/README.md
index a3a35b8..52c55ff 100644
--- a/README.md
+++ b/README.md
@@ -116,13 +116,14 @@ We will try to maintain the following headline format for commit messages:
 where `<component>` is one of:
 
 1. `grammar`: For the tree-sitter-based grammar.
-2. `compiler`: For the Swift-based P4 compiler of tree-sitter-based-parser parsed programs into AST.
-3. `runtime`: For the Swift-based P4 interpreter.
-4. `common`: For any Swift-based components common to the entire project (and macros).
-5. `documentation`: For any documentation updates.
-6. `testing`: For Swift-based tests.
-7. `cli`: For Cli components.
-7. `codegen`: For code generation components.
+1. `compiler`: For the Swift-based P4 compiler of tree-sitter-based-parser parsed programs into AST.
+1. `language`: For the Swift-based AST of a compiled P4 program.
+1. `runtime`: For the Swift-based P4 interpreter.
+1. `common`: For any Swift-based components common to the entire project (and macros).
+1. `documentation`: For any documentation updates.
+1. `testing`: For Swift-based tests.
+1. `cli`: For Cli components.
+1. `codegen`: For code generation components.
 
 where `<subcomponent>` can be more free-form and `<change>` is a pithy description of the changes in the commit.
 
diff --git a/Sources/P4Lang/Types.swift b/Sources/P4Lang/Types.swift
deleted file mode 100644
index 82abce3..0000000
--- a/Sources/P4Lang/Types.swift
+++ /dev/null
@@ -1,28 +0,0 @@
-// p4rse, Copyright 2026, Will Hawkins
-//
-// This file is part of p4rse.
-//
-// This file is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-import Common
-
-public struct AttributedP4Type {
-  public let type: P4Type
-  public let attributes: P4QualifiedType
-
-  public init(_ type: P4Type, _ attributes: P4QualifiedType) {
-    self.type = type
-    self.attributes = attributes
-  }
-}