diff --git a/README.md b/README.md
index d7f51d8..ae51fd0 100644
--- a/README.md
+++ b/README.md
@@ -435,6 +435,7 @@ import { renameBindings, renameFunctions, renameTypes } from '@shaderfrog/glsl-p
 // ... parse an ast...
 
 // Suffix top level variables with _x
+// TODO UPDATE THIS
 renameBindings(ast.scopes[0], (name, node) => `${name}_x`);
 // Suffix function names with _x
 renameFunctions(ast.scopes[0], (name, node) => `${name}_x`);
diff --git a/package.json b/package.json
index dd7985e..eb4665a 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "engines": {
     "node": ">=16"
   },
-  "version": "5.0.0-beta.2",
+  "version": "5.0.0-beta.3",
   "type": "module",
   "description": "A GLSL ES 1.0 and 3.0 parser and preprocessor that can preserve whitespace and comments",
   "scripts": {
diff --git a/src/parser/scope.test.ts b/src/parser/scope.test.ts
index 4ae2e5c..6499050 100644
--- a/src/parser/scope.test.ts
+++ b/src/parser/scope.test.ts
@@ -361,27 +361,6 @@ StructName_x main(in StructName_x x, StructName_x[3] y) {
   expect(Object.keys(ast.scopes[2].types)).toEqual(['StructName']);
 });
 
-test('shangus', () => {
-  const ast = c.parseSrc(`
-struct MyStruct { float y; };
-attribute vec3 position;
-vec3 func() {}`);
-
-  ast.scopes[0].bindings = renameBindings(
-    ast.scopes[0].bindings,
-    (name) => `${name}_x`
-  );
-  ast.scopes[0].functions = renameFunctions(
-    ast.scopes[0].functions,
-    (name) => `${name}_y`
-  );
-  ast.scopes[0].types = renameTypes(ast.scopes[0].types, (name) => `${name}_z`);
-
-  expect(Object.keys(ast.scopes[0].bindings)).toEqual(['position_x']);
-  expect(Object.keys(ast.scopes[0].functions)).toEqual(['func_y']);
-  expect(Object.keys(ast.scopes[0].types)).toEqual(['MyStruct_z']);
-});
-
 test('fn args shadowing global scope identified as separate bindings', () => {
   const ast = c.parseSrc(`
 attribute vec3 position;
diff --git a/src/parser/test-helpers.ts b/src/parser/test-helpers.ts
index a3e2309..5a8615a 100644
--- a/src/parser/test-helpers.ts
+++ b/src/parser/test-helpers.ts
@@ -67,37 +67,6 @@ export const buildParser = () => {
 //   }
 // };
 
-export const debugEntry = (bindings: ScopeIndex) => {
-  return Object.entries(bindings).map(
-    ([k, v]) =>
-      `${k}: (${v.references.length} references, ${
-        v.declaration ? '' : 'un'
-      }declared): ${v.references.map((r) => r.type).join(', ')}`
-  );
-};
-export const debugFunctionEntry = (bindings: FunctionScopeIndex) =>
-  Object.entries(bindings).flatMap(([name, overloads]) =>
-    Object.entries(overloads).map(
-      ([signature, overload]) =>
-        `${name} (${signature}): (${overload.references.length} references, ${
-          overload.declaration ? '' : 'un'
-        }declared): ${overload.references.map((r) => r.type).join(', ')}`
-    )
-  );
-
-export const debugScopes = (astOrScopes: Program | Scope[]) =>
-  console.log(
-    'Scopes:',
-    'scopes' in astOrScopes
-      ? astOrScopes.scopes
-      : astOrScopes.map((s) => ({
-          name: s.name,
-          types: debugEntry(s.types),
-          bindings: debugEntry(s.bindings),
-          functions: debugFunctionEntry(s.functions),
-        }))
-  );
-
 const middle = /\/\* start \*\/((.|[\r\n])+)(\/\* end \*\/)?/m;
 
 type ParseSrc = (src: string, options?: ParserOptions) => Program;
diff --git a/src/parser/utils.ts b/src/parser/utils.ts
index 98d4699..86a9c62 100644
--- a/src/parser/utils.ts
+++ b/src/parser/utils.ts
@@ -1,6 +1,8 @@
+import { Program } from '../ast/ast-types.js';
 import {
   FunctionOverloadIndex,
   FunctionScopeIndex,
+  Scope,
   ScopeEntry,
   ScopeIndex,
   TypeScopeEntry,
@@ -123,3 +125,34 @@ export const renameFunctions = (
   );
 
 export const xor = (a: any, b: any): boolean => (a || b) && !(a && b);
+
+export const debugEntry = (bindings: ScopeIndex) => {
+  return Object.entries(bindings).map(
+    ([k, v]) =>
+      `${k}: (${v.references.length} references, ${
+        v.declaration ? '' : 'un'
+      }declared): ${v.references.map((r) => r.type).join(', ')}`
+  );
+};
+export const debugFunctionEntry = (bindings: FunctionScopeIndex) =>
+  Object.entries(bindings).flatMap(([name, overloads]) =>
+    Object.entries(overloads).map(
+      ([signature, overload]) =>
+        `${name} (${signature}): (${overload.references.length} references, ${
+          overload.declaration ? '' : 'un'
+        }declared): ${overload.references.map((r) => r.type).join(', ')}`
+    )
+  );
+
+export const debugScopes = (astOrScopes: Program | Scope[]) =>
+  console.log(
+    'Scopes:',
+    'scopes' in astOrScopes
+      ? astOrScopes.scopes
+      : astOrScopes.map((s) => ({
+          name: s.name,
+          types: debugEntry(s.types),
+          bindings: debugEntry(s.bindings),
+          functions: debugFunctionEntry(s.functions),
+        }))
+  );