diff --git a/packages/compiler/src/compiler/codegen.ts b/packages/compiler/src/compiler/codegen.ts
index 154d18e..39669ed 100644
--- a/packages/compiler/src/compiler/codegen.ts
+++ b/packages/compiler/src/compiler/codegen.ts
@@ -28,7 +28,7 @@ export function stripShebang(items: Items): Items {
     return items;
 }
 
-export type ModuleType ='es6' | 'require' | 'global';
+export type ModuleType ='es6' | 'require' | 'global' | 'none';
 
 export type ErrorSink = (message: string, start: Pos | undefined, end: Pos | undefined) => void;
 
@@ -37,7 +37,6 @@ export interface CompileOptions {
     name?: string,
     runtime?: string,
     module?: ModuleType,
-    global?: string,
     typescript?: boolean,
     emitError: ErrorSink,
 }
@@ -331,6 +330,12 @@ export function compile(options: CompileOptions): CompilerOutput {
             case 'global':
                 tree = ts`const __SYNDICATE__ = ${runtime};\n${tree}`;
                 break;
+            case 'none':
+                break;
+            default:
+                ((_: never) => {
+                    throw new Error(`Unsupported ModuleType: ${moduleType}`);
+                })(moduleType);
         }
     }