diff --git a/src/CSharpExtensionExports.ts b/src/CSharpExtensionExports.ts
index f5eefaf41f..51f992acb9 100644
--- a/src/CSharpExtensionExports.ts
+++ b/src/CSharpExtensionExports.ts
@@ -3,6 +3,10 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import { Advisor } from "./features/diagnosticsProvider";
+
  export default interface CSharpExtensionExports {
     initializationFinished: () => Promise<void>;
+
+    getAdvisor: () => Promise<Advisor>;
  }
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 6b5e7ba523..08fb6f1939 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -30,7 +30,7 @@ import { ProjectStatusBarObserver } from './observers/ProjectStatusBarObserver';
 import CSharpExtensionExports from './CSharpExtensionExports';
 import { vscodeNetworkSettingsProvider, NetworkSettingsProvider } from './NetworkSettings';
 import { ErrorMessageObserver } from './observers/ErrorMessageObserver';
-import  OptionProvider from './observers/OptionProvider';
+import OptionProvider from './observers/OptionProvider';
 import DotNetTestChannelObserver from './observers/DotnetTestChannelObserver';
 import DotNetTestLoggerObserver from './observers/DotnetTestLoggerObserver';
 import { ShowOmniSharpConfigChangePrompt } from './observers/OptionChangeObserver';
@@ -65,7 +65,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<CSharp
     let dotnetTestLoggerObserver = new DotNetTestLoggerObserver(dotnetTestChannel);
     eventStream.subscribe(dotnetTestChannelObserver.post);
     eventStream.subscribe(dotnetTestLoggerObserver.post);
-    
+
     let csharpChannel = vscode.window.createOutputChannel('C#');
     let csharpchannelObserver = new CsharpChannelObserver(csharpChannel);
     let csharpLogObserver = new CsharpLoggerObserver(csharpChannel);
@@ -119,7 +119,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<CSharp
     let runtimeDependenciesExist = await ensureRuntimeDependencies(extension, eventStream, platformInfo, networkSettingsProvider);
 
     // activate language services
-    let omniSharpPromise = OmniSharp.activate(context, extension.packageJSON, platformInfo, networkSettingsProvider, eventStream, optionProvider, extension.extensionPath);
+    let langServicePromise = OmniSharp.activate(context, extension.packageJSON, platformInfo, networkSettingsProvider, eventStream, optionProvider, extension.extensionPath);
 
     // register JSON completion & hover providers for project.json
     context.subscriptions.push(addJSONProviders());
@@ -147,9 +147,13 @@ export async function activate(context: vscode.ExtensionContext): Promise<CSharp
 
     return {
         initializationFinished: async () => {
-            let omniSharp = await omniSharpPromise;
-            await omniSharp.waitForEmptyEventQueue();
+            let langService = await langServicePromise;
+            await langService.server.waitForEmptyEventQueue();
             await coreClrDebugPromise;
+        },
+        getAdvisor: async () => {
+            let langService = await langServicePromise;
+            return langService.advisor;
         }
     };
 }
diff --git a/src/omnisharp/extension.ts b/src/omnisharp/extension.ts
index de2443995f..3e4559c97c 100644
--- a/src/omnisharp/extension.ts
+++ b/src/omnisharp/extension.ts
@@ -39,8 +39,10 @@ import { StructureProvider } from '../features/structureProvider';
 import { OmniSharpMonoResolver } from './OmniSharpMonoResolver';
 import { getMonoVersion } from '../utils/getMonoVersion';
 
-export let omnisharp: OmniSharpServer;
-export let advisor: Advisor;
+export interface ActivationResult {
+    readonly server: OmniSharpServer;
+    readonly advisor: Advisor;
+}
 
 export async function activate(context: vscode.ExtensionContext, packageJSON: any, platformInfo: PlatformInformation, provider: NetworkSettingsProvider, eventStream: EventStream, optionProvider: OptionProvider, extensionPath: string) {
     const documentSelector: vscode.DocumentSelector = {
@@ -50,8 +52,7 @@ export async function activate(context: vscode.ExtensionContext, packageJSON: an
     const options = optionProvider.GetLatestOptions();
     let omnisharpMonoResolver = new OmniSharpMonoResolver(getMonoVersion);
     const server = new OmniSharpServer(vscode, provider, packageJSON, platformInfo, eventStream, optionProvider, extensionPath, omnisharpMonoResolver);
-    omnisharp = server;
-    advisor = new Advisor(server, optionProvider); // create before server is started
+    const advisor = new Advisor(server, optionProvider); // create before server is started
     const disposables = new CompositeDisposable();
     let localDisposables: CompositeDisposable;
 
@@ -177,7 +178,7 @@ export async function activate(context: vscode.ExtensionContext, packageJSON: an
 
     context.subscriptions.push(disposables);
 
-    return new Promise<OmniSharpServer>(resolve =>
+    return new Promise<ActivationResult>(resolve =>
         server.onServerStart(e =>
-            resolve(server)));
+            resolve({ server, advisor })));
 }
\ No newline at end of file
diff --git a/test/integrationTests/diagnostics.integration.test.ts b/test/integrationTests/diagnostics.integration.test.ts
index f5534b8054..ffef306d4a 100644
--- a/test/integrationTests/diagnostics.integration.test.ts
+++ b/test/integrationTests/diagnostics.integration.test.ts
@@ -10,7 +10,7 @@ import * as path from 'path';
 import { activateCSharpExtension } from './integrationHelpers';
 import testAssetWorkspace from './testAssets/testAssetWorkspace';
 
-import * as OmniSharp from "../../src/omnisharp/extension";
+import { Advisor } from '../../src/features/diagnosticsProvider';
 
 const chai = require('chai');
 chai.use(require('chai-arrays'));
@@ -22,9 +22,16 @@ function setLimit(to: number | null) {
 }
 
 suite(`Diagnostics Provider ${testAssetWorkspace.description}`, function () {
+    let advisor: Advisor;
+
     suiteSetup(async function () {
         await testAssetWorkspace.restore();
-        await activateCSharpExtension();
+        let activationResult = await activateCSharpExtension();
+        if (!activationResult) {
+            throw new Error('Cannot activate extension.');
+        } else {
+            advisor = activationResult.advisor;
+        }
 
         let fileName = 'completion.cs';
         let dir = testAssetWorkspace.projects[0].projectDirectoryPath;
@@ -39,36 +46,36 @@ suite(`Diagnostics Provider ${testAssetWorkspace.description}`, function () {
     test('Reports errors from whole project when maxProjectFileCountForDiagnosticAnalysis is higher than the file count', async () => {
         await setLimit(1000);
 
-        expect(OmniSharp.advisor.shouldValidateProject()).to.be.true;
+        expect(advisor.shouldValidateProject()).to.be.true;
     });
 
     test('Reports errors from individual files when maxProjectFileCountForDiagnosticAnalysis is higher than the file count', async () => {
         await setLimit(1000);
 
-        expect(OmniSharp.advisor.shouldValidateFiles()).to.be.true;
+        expect(advisor.shouldValidateFiles()).to.be.true;
     });
 
     test('Does not report errors from whole project when maxProjectFileCountForDiagnosticAnalysis is lower than the file count', async () => {
         await setLimit(1);
 
-        expect(OmniSharp.advisor.shouldValidateProject()).to.be.false;
+        expect(advisor.shouldValidateProject()).to.be.false;
     });
 
     test('Reports errors from individual files when maxProjectFileCountForDiagnosticAnalysis is lower than the file count', async () => {
         await setLimit(1);
 
-        expect(OmniSharp.advisor.shouldValidateFiles()).to.be.true;
+        expect(advisor.shouldValidateFiles()).to.be.true;
     });
 
     test('Reports errors from whole project when maxProjectFileCountForDiagnosticAnalysis is null', async () => {
         await setLimit(null);
 
-        expect(OmniSharp.advisor.shouldValidateProject()).to.be.true;
+        expect(advisor.shouldValidateProject()).to.be.true;
     });
 
     test('Reports errors from individual files when maxProjectFileCountForDiagnosticAnalysis is null', async () => {
         await setLimit(null);
 
-        expect(OmniSharp.advisor.shouldValidateFiles()).to.be.true;
+        expect(advisor.shouldValidateFiles()).to.be.true;
     });
 });
\ No newline at end of file
diff --git a/test/integrationTests/integrationHelpers.ts b/test/integrationTests/integrationHelpers.ts
index 382e5eb66c..510172857e 100644
--- a/test/integrationTests/integrationHelpers.ts
+++ b/test/integrationTests/integrationHelpers.ts
@@ -5,8 +5,13 @@
 
 import * as vscode from 'vscode';
 import CSharpExtensionExports from '../../src/CSharpExtensionExports';
+import { Advisor } from '../../src/features/diagnosticsProvider';
 
-export async function activateCSharpExtension(): Promise<void> {
+export interface ActivationResult {
+    readonly advisor: Advisor;
+}
+
+export async function activateCSharpExtension(): Promise<ActivationResult | undefined> {
     const csharpExtension = vscode.extensions.getExtension<CSharpExtensionExports>("ms-vscode.csharp");
 
     if (!csharpExtension.isActive) {
@@ -16,8 +21,10 @@ export async function activateCSharpExtension(): Promise<void> {
     try {
         await csharpExtension.exports.initializationFinished();
         console.log("ms-vscode.csharp activated");
+        return { advisor: await csharpExtension.exports.getAdvisor() };
     }
     catch (err) {
         console.log(JSON.stringify(err));
+        return undefined;
     }
-}
\ No newline at end of file
+}