diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f6b8ab2c2..c25545a56 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,13 +1,6 @@
 trigger:
-  branches:
-    include:
-    - master
-    - 'maint.*'
-  paths:
-    exclude:
-    - doc/
-    - '*.md'
-    - .vscode/
+- master
+- maint/*
 
 variables:
   TreatWarningsAsErrors: true
diff --git a/azure-pipelines/Convert-PDB.ps1 b/azure-pipelines/Convert-PDB.ps1
deleted file mode 100644
index 6efd380ee..000000000
--- a/azure-pipelines/Convert-PDB.ps1
+++ /dev/null
@@ -1,37 +0,0 @@
-<#
-.SYNOPSIS
-    Converts between Windows PDB and Portable PDB formats.
-.PARAMETER DllPath
-    The path to the DLL whose PDB is to be converted.
-.PARAMETER PdbPath
-    The path to the PDB to convert. May be omitted if the DLL was compiled on this machine and the PDB is still at its original path.
-.PARAMETER OutputPath
-    The path of the output PDB to write.
-#>
-#Function Convert-PortableToWindowsPDB() {
-    Param(
-        [Parameter(Mandatory=$true,Position=0)]
-        [string]$DllPath,
-        [Parameter()]
-        [string]$PdbPath,
-        [Parameter(Mandatory=$true,Position=1)]
-        [string]$OutputPath
-    )
-
-    $version = '1.1.0-beta2-19516-01'
-    $baseDir = "$PSScriptRoot\..\obj\tools"
-    $pdb2pdbpath = "$baseDir\pdb2pdb.$version\tools\Pdb2Pdb.exe"
-    if (-not (Test-Path $pdb2pdbpath)) {
-        if (-not (Test-Path $baseDir)) { New-Item -Type Directory -Path $baseDir | Out-Null }
-        $baseDir = (Resolve-Path $baseDir).Path # Normalize it
-        & (& $PSScriptRoot\Get-NuGetTool.ps1) install pdb2pdb -version $version -PackageSaveMode nuspec -OutputDirectory $baseDir -Source https://dotnet.myget.org/F/symreader-converter/api/v3/index.json | Out-Null
-    }
-
-    $args = $DllPath,'/out',$OutputPath,'/nowarn','0021'
-    if ($PdbPath) {
-        $args += '/pdb',$PdbPath
-    }
-
-    Write-Verbose "$pdb2pdbpath $args"
-    & $pdb2pdbpath $args
-#}
diff --git a/azure-pipelines/Get-NuGetTool.ps1 b/azure-pipelines/Get-NuGetTool.ps1
deleted file mode 100644
index 4431adb91..000000000
--- a/azure-pipelines/Get-NuGetTool.ps1
+++ /dev/null
@@ -1,22 +0,0 @@
-<#
-.SYNOPSIS
-    Downloads the NuGet.exe tool and returns the path to it.
-.PARAMETER NuGetVersion
-    The version of the NuGet tool to acquire.
-#>
-Param(
-    [Parameter()]
-    [string]$NuGetVersion='5.2.0'
-)
-
-$toolsPath = & "$PSScriptRoot\Get-TempToolsPath.ps1"
-$binaryToolsPath = Join-Path $toolsPath $NuGetVersion
-if (!(Test-Path $binaryToolsPath)) { $null = mkdir $binaryToolsPath }
-$nugetPath = Join-Path $binaryToolsPath nuget.exe
-
-if (!(Test-Path $nugetPath)) {
-    Write-Host "Downloading nuget.exe $NuGetVersion..." -ForegroundColor Yellow
-    (New-Object System.Net.WebClient).DownloadFile("https://dist.nuget.org/win-x86-commandline/v$NuGetVersion/NuGet.exe", $nugetPath)
-}
-
-return (Resolve-Path $nugetPath).Path
diff --git a/azure-pipelines/Get-TempToolsPath.ps1 b/azure-pipelines/Get-TempToolsPath.ps1
deleted file mode 100644
index bb3da8e33..000000000
--- a/azure-pipelines/Get-TempToolsPath.ps1
+++ /dev/null
@@ -1,13 +0,0 @@
-if ($env:AGENT_TEMPDIRECTORY) {
-    $path = "$env:AGENT_TEMPDIRECTORY\$env:BUILD_BUILDID"
-} elseif ($env:localappdata) {
-    $path = "$env:localappdata\gitrepos\tools"
-} else {
-    $path = "$PSScriptRoot\..\obj\tools"
-}
-
-if (!(Test-Path $path)) {
-    New-Item -ItemType Directory -Path $Path | Out-Null
-}
-
-(Resolve-Path $path).Path
diff --git a/azure-pipelines/Get-nbgv.ps1 b/azure-pipelines/Get-nbgv.ps1
deleted file mode 100644
index a5be2cf7c..000000000
--- a/azure-pipelines/Get-nbgv.ps1
+++ /dev/null
@@ -1,24 +0,0 @@
-<#
-.SYNOPSIS
-    Gets the path to the nbgv CLI tool, installing it if necessary.
-#>
-Param(
-)
-
-$existingTool = Get-Command "nbgv" -ErrorAction SilentlyContinue
-if ($existingTool) {
-    return $existingTool.Path
-}
-
-$toolInstallDir = & "$PSScriptRoot/Get-TempToolsPath.ps1"
-
-$toolPath = "$toolInstallDir/nbgv"
-if (!(Test-Path $toolInstallDir)) { New-Item -Path $toolInstallDir -ItemType Directory | Out-Null }
-
-if (!(Get-Command $toolPath -ErrorAction SilentlyContinue)) {
-    Write-Host "Installing nbgv to $toolInstallDir"
-    dotnet tool install --tool-path "$toolInstallDir" nbgv --configfile "$PSScriptRoot/justnugetorg.nuget.config" | Out-Null
-}
-
-# Normalize the path on the way out.
-return (Get-Command $toolPath).Path
diff --git a/azure-pipelines/build.yml b/azure-pipelines/build.yml
index e5e6f479d..1462628c8 100644
--- a/azure-pipelines/build.yml
+++ b/azure-pipelines/build.yml
@@ -5,21 +5,13 @@ jobs:
 - job: Windows
   pool: ${{ parameters.windowsPool }}
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
-
-  - powershell: '& (./azure-pipelines/Get-nbgv.ps1) cloud'
-    displayName: Set build number
-
   - template: dotnet.yml
 
 - job: Linux
   pool:
     vmImage: Ubuntu 18.04
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - template: dotnet.yml
 
@@ -27,8 +19,6 @@ jobs:
   pool:
     vmImage: macOS 10.13
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - template: dotnet.yml
 
@@ -41,8 +31,6 @@ jobs:
     vmImage: Ubuntu 18.04
   condition: succeededOrFailed()
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
     parameters:
       initArgs: -NoRestore
@@ -53,8 +41,6 @@ jobs:
   pool:
     vmImage: Ubuntu 18.04
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - task: DotNetCoreCLI@2
     displayName: dotnet test -f netcoreapp2.1
diff --git a/azure-pipelines/dotnet.yml b/azure-pipelines/dotnet.yml
index 35aa8c979..8c9f5f909 100644
--- a/azure-pipelines/dotnet.yml
+++ b/azure-pipelines/dotnet.yml
@@ -29,13 +29,6 @@ steps:
     arguments: --no-build -c $(BuildConfiguration) -f netcoreapp2.1 --filter "TestCategory!=FailsInCloudTest" -v n /p:CollectCoverage=true
     testRunTitle: netcoreapp2.1-$(Agent.JobName)
 
-- task: PowerShell@2
-  inputs:
-    filePath: azure-pipelines/variables/_pipelines.ps1
-    failOnStderr: true
-  displayName: Update pipeline variables based on build outputs
-  condition: succeededOrFailed()
-
 - task: PowerShell@2
   inputs:
     filePath: azure-pipelines/artifacts/_pipelines.ps1
@@ -43,15 +36,6 @@ steps:
   displayName: Publish artifacts
   condition: succeededOrFailed()
 
-- task: PublishSymbols@2
-  inputs:
-    SymbolsFolder: $(Build.ArtifactStagingDirectory)/symbols-Windows
-    SearchPattern: '**/*.pdb'
-    IndexSources: false
-    SymbolServerType: TeamServices
-  displayName: Publish symbols to symbol server
-  condition: and(succeeded(), ne(variables['Build.Reason'], 'PullRequest'), eq(variables['Agent.OS'], 'Windows_NT'))
-
 - bash: bash <(curl -s https://codecov.io/bash)
   displayName: Publish code coverage results to codecov.io
   timeoutInMinutes: 3
diff --git a/azure-pipelines/install-dependencies.yml b/azure-pipelines/install-dependencies.yml
index 9257db852..5b008c6e8 100644
--- a/azure-pipelines/install-dependencies.yml
+++ b/azure-pipelines/install-dependencies.yml
@@ -7,9 +7,3 @@ steps:
     .\init.ps1 -AccessToken '$(System.AccessToken)' ${{ parameters['initArgs'] }} -UpgradePrerequisites
     dotnet --info
   displayName: Install prerequisites
-
-- task: PowerShell@2
-  inputs:
-    filePath: azure-pipelines/variables/_pipelines.ps1
-    failOnStderr: true
-  displayName: Set pipeline variables based on source
diff --git a/azure-pipelines/justnugetorg.nuget.config b/azure-pipelines/justnugetorg.nuget.config
deleted file mode 100644
index 765346e53..000000000
--- a/azure-pipelines/justnugetorg.nuget.config
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <clear />
-    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-  </packageSources>
-</configuration>
diff --git a/azure-pipelines/publish-codecoverage.yml b/azure-pipelines/publish-codecoverage.yml
index 6d367de96..59dba9d40 100644
--- a/azure-pipelines/publish-codecoverage.yml
+++ b/azure-pipelines/publish-codecoverage.yml
@@ -12,7 +12,7 @@ steps:
   displayName: Download macOS code coverage results
   continueOnError: true
 - powershell: |
-    dotnet tool install --tool-path obj dotnet-reportgenerator-globaltool --version 4.2.2 --configfile azure-pipelines/justnugetorg.nuget.config
+    dotnet tool install --tool-path obj dotnet-reportgenerator-globaltool --version 4.2.2
     Copy-Item -Recurse $(Pipeline.Workspace)/coverageResults-Windows/obj/* $(System.DefaultWorkingDirectory)/obj
     Write-Host "Substituting {reporoot} with $(System.DefaultWorkingDirectory)"
     $reports = Get-ChildItem -Recurse "$(Pipeline.Workspace)/coverage.cobertura.xml"
diff --git a/azure-pipelines/variables/_all.ps1 b/azure-pipelines/variables/_all.ps1
deleted file mode 100644
index ed0997922..000000000
--- a/azure-pipelines/variables/_all.ps1
+++ /dev/null
@@ -1,11 +0,0 @@
-# This script returns a hashtable of build variables that should be set
-# at the start of a build or release definition's execution.
-
-$vars = @{}
-
-Get-ChildItem "$PSScriptRoot\*.ps1" -Exclude "_*" |% {
-    Write-Host "Computing $($_.BaseName) variable"
-    $vars[$_.BaseName] = & $_
-}
-
-$vars
diff --git a/azure-pipelines/variables/_pipelines.ps1 b/azure-pipelines/variables/_pipelines.ps1
deleted file mode 100644
index 28230b817..000000000
--- a/azure-pipelines/variables/_pipelines.ps1
+++ /dev/null
@@ -1,19 +0,0 @@
-# This script translates the variables returned by the _all.ps1 script
-# into commands that instruct Azure Pipelines to actually set those variables for other pipeline tasks to consume.
-
-# The build or release definition may have set these variables to override
-# what the build would do. So only set them if they have not already been set.
-
-(& "$PSScriptRoot\_all.ps1").GetEnumerator() |% {
-    if (Test-Path -Path "env:$($_.Key)") {
-        Write-Host "Skipping setting $($_.Key) because variable is already set." -ForegroundColor Cyan
-    } else {
-        Write-Host "$($_.Key)=$($_.Value)" -ForegroundColor Yellow
-        if ($env:TF_BUILD) {
-            Write-Host "##vso[task.setvariable variable=$($_.Key);]$($_.Value)"
-        } elseif ($env:GITHUB_ACTIONS) {
-            Write-Host "::set-env name=$($_.Key)::$($_.Value)"
-        }
-        Set-Item -Path "env:$($_.Key)" -Value $_.Value
-    }
-}
diff --git a/init.ps1 b/init.ps1
index 33140ac5e..907d85a5c 100644
--- a/init.ps1
+++ b/init.ps1
@@ -38,7 +38,6 @@ Param (
 )
 
 if (!$NoPrerequisites) {
-    & "$PSScriptRoot\tools\Install-NuGetCredProvider.ps1" -AccessToken $AccessToken -Force:$UpgradePrerequisites
     & "$PSScriptRoot\tools\Install-DotNetSdk.ps1" -InstallLocality $InstallLocality
 }
 
diff --git a/tools/Install-NuGetCredProvider.ps1 b/tools/Install-NuGetCredProvider.ps1
deleted file mode 100644
index 0a8d77f62..000000000
--- a/tools/Install-NuGetCredProvider.ps1
+++ /dev/null
@@ -1,66 +0,0 @@
-<#
-.SYNOPSIS
-    Downloads and installs the Microsoft Artifacts Credential Provider
-    from https://github.com/microsoft/artifacts-credprovider
-    to assist in authenticating to Azure Artifact feeds in interactive development
-    or unattended build agents.
-.PARAMETER Force
-    Forces install of the CredProvider plugin even if one already exists. This is useful to upgrade an older version.
-.PARAMETER AccessToken
-    An optional access token for authenticating to Azure Artifacts authenticated feeds.
-#>
-[CmdletBinding()]
-Param (
-    [Parameter()]
-    [switch]$Force,
-    [Parameter()]
-    [string]$AccessToken
-)
-
-$toolsPath = & "$PSScriptRoot\..\azure-pipelines\Get-TempToolsPath.ps1"
-
-if ($IsMacOS -or $IsLinux) {
-    $installerScript = "installcredprovider.sh"
-    $sourceUrl = "https://raw.githubusercontent.com/microsoft/artifacts-credprovider/master/helpers/installcredprovider.sh"
-} else {
-    $installerScript = "installcredprovider.ps1"
-    $sourceUrl = "https://raw.githubusercontent.com/microsoft/artifacts-credprovider/master/helpers/installcredprovider.ps1"
-}
-
-$installerScript = Join-Path $toolsPath $installerScript
-
-if (!(Test-Path $installerScript)) {
-    Invoke-WebRequest $sourceUrl -OutFile $installerScript
-}
-
-$installerScript = (Resolve-Path $installerScript).Path
-
-if ($IsMacOS -or $IsLinux) {
-    chmod u+x $installerScript
-}
-
-& $installerScript -Force:$Force
-
-if ($AccessToken) {
-    $endpoints = @()
-
-    $nugetConfig = [xml](Get-Content -Path "$PSScriptRoot\..\nuget.config")
-
-    $nugetConfig.configuration.packageSources.add |? { ($_.value -match '^https://pkgs\.dev\.azure\.com/') -or ($_.value -match '^https://[\w\-]+\.pkgs\.visualstudio\.com/') } |% {
-        $endpoint = New-Object -TypeName PSObject
-        Add-Member -InputObject $endpoint -MemberType NoteProperty -Name endpoint -Value $_.value
-        Add-Member -InputObject $endpoint -MemberType NoteProperty -Name username -Value ado
-        Add-Member -InputObject $endpoint -MemberType NoteProperty -Name password -Value $AccessToken
-        $endpoints += $endpoint
-    }
-
-    $auth = New-Object -TypeName PSObject
-    Add-Member -InputObject $auth -MemberType NoteProperty -Name endpointCredentials -Value $endpoints
-
-    $authJson = ConvertTo-Json -InputObject $auth
-    $envVars = @{
-        'VSS_NUGET_EXTERNAL_FEED_ENDPOINTS'=$authJson;
-    }
-
-    & "$PSScriptRoot\..\azure-pipelines\Set-EnvVars.ps1" -Variables $envVars | Out-Null
-}