diff --git a/README.md b/README.md
index ef5bdf1..b7d6d3f 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,6 @@ If this project helped you reduce the time to get your job done, let me know.
 
 | CI System    | Environment                   | Status                                                                                                                                                                                                                                          |
 |--------------|-------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| AppVeyor     | Windows, Core preview, Ubuntu | [![Build status](https://ci.appveyor.com/api/projects/status/21hko6eqtpccrkba/branch/master?svg=true)](https://ci.appveyor.com/project/dfinke/importexcel/branch/master)                                                                        |
 | Azure DevOps | Windows                       | [![Build Status](https://dougfinke.visualstudio.com/ImportExcel/_apis/build/status/dfinke.ImportExcel?branchName=master&jobName=Windows)](https://dougfinke.visualstudio.com/ImportExcel/_build/latest?definitionId=21&branchName=master)       |
 | Azure DevOps | Windows (Core)                | [![Build Status](https://dougfinke.visualstudio.com/ImportExcel/_apis/build/status/dfinke.ImportExcel?branchName=master&jobName=WindowsPSCore)](https://dougfinke.visualstudio.com/ImportExcel/_build/latest?definitionId=21&branchName=master) |
 | Azure DevOps | Ubuntu                        | [![Build Status](https://dougfinke.visualstudio.com/ImportExcel/_apis/build/status/dfinke.ImportExcel?branchName=master&jobName=Ubuntu)](https://dougfinke.visualstudio.com/ImportExcel/_build/latest?definitionId=21&branchName=master)        |
@@ -63,6 +62,7 @@ Plus, wiring the [PowerShell ScriptAnalyzer Excel report](https://github.com/dfi
 # What's new 7.1.1
 
 - Moved `Export-MultipleExcelSheets` from psm1 to Examples/Experimental
+- Deleted the CI build in Appveyor
 
 # What's new 7.1.0
 
diff --git a/appveyor.yml.old b/appveyor.yml.old
deleted file mode 100644
index 196727a..0000000
--- a/appveyor.yml.old
+++ /dev/null
@@ -1,67 +0,0 @@
-# Version format
-version: '({build})'
-
-# Build worker image (VM templates)
-image:
-  - Ubuntu1804
-  - 'Visual Studio 2019'
-
-# Fix CRLF on Windows
-init:
-  - cmd: 'git config --global --unset core.autocrlf'
-
-# To disable automatic builds
-build: off
-
-# Skipping commits with particular message or from specific user
-skip_commits:
-  message: '/\[skip av\]/'
-  files:
-    - '*.md'
-
-# Including commits with particular message or from specific user
-#only_commits:
-#  message: '/\[build\]/' # Start a new build if message contains 'build'
-
-# Scripts that run after cloning repository
-install:
-  - ps: 'Install-Module -Name Pester -Force -SkipPublisherCheck -MaximumVersion 4.99.99'
-  - ps: 'Install-Module -Name Assert -Force -MaximumVersion 4.99.99'
-  # PowerShell Core
-  - ps: '& .\CI\InstallPowerShell.ps1 -Version "7.0.0-preview.4"' # Install other PowerShell Core version (Optional)
-  - pwsh: 'Install-Module -Name Pester -Force -MaximumVersion 4.99.99'
-  - pwsh: 'Install-Module -Name Assert -Force -MaximumVersion 4.99.99'
-
-# To run your custom scripts instead of automatic tests
-test_script:
-  - ps: '& .\CI\CI.ps1 -Test'
-  - pwsh: '& .\CI\CI.ps1 -Test'
-  - ps: '& .\CI\CI.ps1 -Finalize' # Collect and upload results
-
-# Deploy
-deploy_script:
-  - ps: '& .\CI\CI.ps1 -Artifact'
-  - ps: '$null = Install-PackageProvider -Name NuGet -Force ; & .\CI\Publish.ps1'
-
-# Linux setup
-for:
-  -
-    matrix:
-      only:
-        - image: Ubuntu1804
-    # Install other PowerShell Core version (Optional)
-    init:
-      - sh: 'sudo apt-get -qq update && sudo apt-get -qq install powershell-preview && sudo rm /usr/bin/pwsh && sudo ln -s /opt/microsoft/powershell/7-preview/pwsh /usr/bin/pwsh'
-      - sh: 'export LANG=en_US.UTF-8' # Fix for PowerShell 7.0.0-preview.2, Remove if using other version.
-    # Scripts that run after cloning repository
-    install:
-      - pwsh: '& .\CI\CI.ps1 -Initialize' # Set AppVeyor build version
-      - pwsh: 'Install-Module -Name Pester -Force -MaximumVersion 4.99.99'
-      - pwsh: 'Install-Module -Name Assert -Force -MaximumVersion 4.99.99'
-    # To run your custom scripts instead of automatic tests
-    test_script:
-      - pwsh: '& .\CI\CI.ps1 -Test'
-      - pwsh: '& .\CI\CI.ps1 -Finalize' # Collect and upload results
-    # Skip Deploy
-    deploy_script:
-      - pwsh: '"Deploy skiped on Linux."'
\ No newline at end of file