diff --git a/packages/compiler/test/aot/compiler_spec.ts b/packages/compiler/test/aot/compiler_spec.ts
index a00e2c9ea2..bd2276f61e 100644
--- a/packages/compiler/test/aot/compiler_spec.ts
+++ b/packages/compiler/test/aot/compiler_spec.ts
@@ -8,12 +8,12 @@
 
 import {GeneratedFile, toTypeScript} from '@angular/compiler';
 import {NodeFlags} from '@angular/core/src/view/index';
-import {MetadataBundler, MetadataCollector, ModuleMetadata, privateEntriesToIndex} from '@angular/tsc-wrapped';
+import {MetadataBundler, privateEntriesToIndex} from '@angular/tsc-wrapped';
 import * as ts from 'typescript';
 
 import {extractSourceMap, originalPositionFor} from '../output/source_map_util';
 
-import {EmittingCompilerHost, MockData, MockDirectory, MockMetadataBundlerHost, arrayToMockDir, arrayToMockMap, compile, expectNoDiagnostics, settings, setup, toMockFileArray} from './test_util';
+import {EmittingCompilerHost, MockDirectory, MockMetadataBundlerHost, arrayToMockDir, compile, expectNoDiagnostics, settings, setup, toMockFileArray} from './test_util';
 
 describe('compiler (unbundled Angular)', () => {
   let angularFiles = setup();
@@ -208,7 +208,7 @@ describe('compiler (unbundled Angular)', () => {
 
     });
 
-    it('should be able to supress a null access', () => {
+    it('should be able to suppress a null access', () => {
       const FILES: MockDirectory = {
         app: {
           'app.ts': `
@@ -266,6 +266,24 @@ describe('compiler (unbundled Angular)', () => {
     });
   });
 
+  it('should report when a component is declared in any module', () => {
+    const FILES: MockDirectory = {
+      app: {
+        'app.ts': `
+          import {Component, NgModule} from '@angular/core';
+
+          @Component({selector: 'my-comp', template: ''})
+          export class MyComp {}
+
+          @NgModule({})
+          export class MyModule {}
+        `
+      }
+    };
+    expect(() => compile([FILES, angularFiles]))
+        .toThrowError(/Cannot determine the module for class MyComp/);
+  });
+
   it('should add the preamble to generated files', () => {
     const FILES: MockDirectory = {
       app: {
@@ -746,7 +764,6 @@ const LIBRARY: MockDirectory = {
   }
 };
 
-const LIBRARY_USING_APP_MODULE = ['/lib-user/app/app.module.ts'];
 const LIBRARY_USING_APP: MockDirectory = {
   'lib-user': {
     app: {