diff --git a/src/features/GenerateBugReport.ts b/src/features/GenerateBugReport.ts
index 6904095096..dd29ef673f 100644
--- a/src/features/GenerateBugReport.ts
+++ b/src/features/GenerateBugReport.ts
@@ -2,7 +2,6 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
-import cp = require("child_process");
 import os = require("os");
 import vscode = require("vscode");
 import { IFeature, LanguageClient } from "../feature";
@@ -30,7 +29,6 @@ const extensions =
 export class GenerateBugReportFeature implements IFeature {
 
     private command: vscode.Disposable;
-    private powerShellProcess: cp.ChildProcess;
 
     constructor(private sessionManager: SessionManager) {
         this.command = vscode.commands.registerCommand("PowerShell.GenerateBugReport", () => {
diff --git a/src/features/HelpCompletion.ts b/src/features/HelpCompletion.ts
index 5dcfb3bcd8..97255bfc67 100644
--- a/src/features/HelpCompletion.ts
+++ b/src/features/HelpCompletion.ts
@@ -127,7 +127,6 @@ class TriggerFinder {
 
 class HelpCompletionProvider {
     private triggerFinderHelpComment: TriggerFinder;
-    private lastChangeText: string;
     private lastChangeRange: Range;
     private lastDocument: TextDocument;
     private langClient: LanguageClient;
@@ -148,7 +147,6 @@ class HelpCompletionProvider {
 
     public updateState(document: TextDocument, changeText: string, changeRange: Range): void {
         this.lastDocument = document;
-        this.lastChangeText = changeText;
         this.lastChangeRange = changeRange;
         this.triggerFinderHelpComment.updateState(document, changeText);
     }
diff --git a/src/main.ts b/src/main.ts
index f5c25465c8..a51407300e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -40,10 +40,6 @@ import utils = require("./utils");
 // tslint:disable-next-line: no-var-requires
 const PackageJSON: any = require("../../package.json");
 
-// NOTE: We will need to find a better way to deal with the required
-//       PS Editor Services version...
-const requiredEditorServicesVersion = "2.0.0";
-
 // the application insights key (also known as instrumentation key) used for telemetry.
 const AI_KEY: string = "AIF-d9b70cd4-b9f9-4d70-929b-a071c400b217";
 
@@ -132,7 +128,6 @@ export function activate(context: vscode.ExtensionContext): void {
 
     sessionManager =
         new SessionManager(
-            requiredEditorServicesVersion,
             logger,
             documentSelector,
             PackageJSON.displayName,
diff --git a/src/session.ts b/src/session.ts
index a65484ecc1..024f52e10d 100644
--- a/src/session.ts
+++ b/src/session.ts
@@ -54,7 +54,6 @@ export class SessionManager implements Middleware {
     private sessionSettings: Settings.ISettings = undefined;
     private sessionDetails: utils.IEditorServicesSessionDetails;
     private bundledModulesPath: string;
-    private telemetryReporter: TelemetryReporter;
 
     // Initialized by the start() method, since this requires settings
     private powershellExeFinder: PowerShellExeFinder;
@@ -66,18 +65,16 @@ export class SessionManager implements Middleware {
         vscode.env.sessionId === "someValue.sessionId";
 
     constructor(
-        private requiredEditorServicesVersion: string,
         private log: Logger,
         private documentSelector: DocumentSelector,
-        private hostName: string,
-        private version: string,
-        private reporter: TelemetryReporter) {
+        hostName: string,
+        version: string,
+        private telemetryReporter: TelemetryReporter) {
 
         this.platformDetails = getPlatformDetails();
 
         this.HostName = hostName;
         this.HostVersion = version;
-        this.telemetryReporter = reporter;
 
         const osBitness = this.platformDetails.isOS64Bit ? "64-bit" : "32-bit";
         const procBitness = this.platformDetails.isProcess64Bit ? "64-bit" : "32-bit";
diff --git a/tools/postReleaseScripts/updateExtensionVersions.ps1 b/tools/postReleaseScripts/updateExtensionVersions.ps1
index 974a6e43f7..0d8d376046 100644
--- a/tools/postReleaseScripts/updateExtensionVersions.ps1
+++ b/tools/postReleaseScripts/updateExtensionVersions.ps1
@@ -116,23 +116,6 @@ function FindPackageJsonVersionSpan
     throw 'Did not find package.json version field'
 }
 
-function FindRequiredPsesVersionSpan
-{
-    param(
-        [Parameter(Mandatory)]
-        [string]
-        $MainTsContent
-    )
-
-    $pattern = [regex]'const\s+requiredEditorServicesVersion\s+=\s+"(.*)"'
-    $versionGroup = $pattern.Match($MainTsContent).Groups[1]
-
-    return @{
-        Start = $versionGroup.Index
-        End = $versionGroup.Index + $versionGroup.Length
-    }
-}
-
 function FindVstsBuildVersionSpan
 {
     param(
@@ -150,27 +133,6 @@ function FindVstsBuildVersionSpan
     }
 }
 
-function UpdateMainTsPsesVersion
-{
-    param(
-        [Parameter(Mandatory)]
-        [string]
-        $MainTsPath,
-
-        [Parameter(Mandatory)]
-        [version]
-        $Version
-    )
-
-    $mainTsContent = Get-Content -Raw $MainTsPath
-    $mainTsVersionSpan = FindRequiredPsesVersionSpan $mainTsContent
-    $newMainTsContent = New-StringWithSegment -String $mainTsContent -NewSegment $Version -StartIndex $mainTsVersionSpan.Start -EndIndex $mainTsVersionSpan.End
-    if ($newMainTsContent -ne $mainTsContent)
-    {
-        Set-Content -Path $MainTsPath -Value $newMainTsContent -Encoding utf8NoBOM -NoNewline
-    }
-}
-
 function UpdateDockerFileVersion
 {
     param(
@@ -247,16 +209,12 @@ if (-not $PRDescription)
 }
 
 # Get the marketplace/non-semver versions for various files
-$psesVersion = Get-VersionFromSemVer -SemVer $NewVersion
 $marketPlaceVersion = GetMarketplaceVersionFromSemVer -SemVer $NewVersion
 
 # Finally create the new package.json file
 $newPkgJsonContent = New-StringWithSegment -String $packageJson -NewSegment $NewVersion -StartIndex $pkgJsonVersionOffsetSpan.Start -EndIndex $pkgJsonVersionOffsetSpan.End
 Set-Content -Path $paths.packageJson -Value $newPkgJsonContent -Encoding utf8NoBOM -NoNewline
 
-# Create the new content for the main.ts required version file
-UpdateMainTsPsesVersion -MainTsPath $paths.mainTs -Version $psesVersion
-
 # Create the new content for the VSTS dockerfile
 UpdateDockerFileVersion -DockerFilePath $paths.vstsDockerFile -Version $marketPlaceVersion