diff --git a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.installer.yaml b/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.installer.yaml
deleted file mode 100644
index 6727e07a288e5d..00000000000000
--- a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.installer.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-# Created with YamlCreate.ps1 v2.1.0 $debug=AUSU.5-1-22572-1
-# yaml-language-server: $schema=https://aka.ms/winget-manifest.installer.1.1.0.schema.json
-
-PackageIdentifier: Microsoft.dotnet
-PackageVersion: 3.1.301.15174
-MinimumOSVersion: 6.1.7601
-InstallerType: exe
-InstallerSwitches:
-  Silent: /quiet
-  SilentWithProgress: /passive
-  Custom: /install
-Commands:
-- dotnet
-Installers:
-- Architecture: x64
-  InstallerUrl: https://download.visualstudio.microsoft.com/download/pr/4e88f517-196e-4b17-a40c-2692c689661d/eed3f5fca28262f764d8b650585a7278/dotnet-sdk-3.1.301-win-x64.exe
-  InstallerSha256: 4F784C5A57E31D5988E5D1267A876887E49C4865056501C5535EBD616A5F03C7
-ManifestType: installer
-ManifestVersion: 1.1.0
diff --git a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.locale.en-US.yaml b/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.locale.en-US.yaml
deleted file mode 100644
index 66d8f085917e40..00000000000000
--- a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.locale.en-US.yaml
+++ /dev/null
@@ -1,36 +0,0 @@
-# Created with YamlCreate.ps1 v2.1.0 $debug=AUSU.5-1-22572-1
-# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultLocale.1.1.0.schema.json
-
-PackageIdentifier: Microsoft.dotnet
-PackageVersion: 3.1.301.15174
-PackageLocale: en-US
-Publisher: Microsoft
-# PublisherUrl: 
-# PublisherSupportUrl: 
-# PrivacyUrl: 
-# Author: 
-PackageName: .NET Core
-PackageUrl: https://docs.microsoft.com/dotnet/core/
-License: MIT
-LicenseUrl: https://github.com/dotnet/core/blob/master/LICENSE.TXT
-# Copyright: 
-# CopyrightUrl: 
-ShortDescription: Microsoft.dotnet
-Description: .NET Core is an open-source, general-purpose development platform. You can create .NET Core apps for Windows, macOS, and Linux for x64, x86, ARM32, and ARM64 processors using multiple programming languages. Frameworks and APIs are provided for cloud, IoT, client UI, and machine learning.
-Moniker: dotnet
-Tags:
-- .net
-- .net-core
-- c#
-- csharp
-- dotnet
-- f#
-- fsharp
-- net
-- vb
-- visual-basic
-# Agreements: 
-# ReleaseNotes: 
-# ReleaseNotesUrl: 
-ManifestType: defaultLocale
-ManifestVersion: 1.1.0
diff --git a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.yaml b/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.yaml
deleted file mode 100644
index fbaa726fb2429e..00000000000000
--- a/manifests/m/Microsoft/dotnet/3.1.301.15174/Microsoft.dotnet.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-# Created with YamlCreate.ps1 v2.1.0 $debug=AUSU.5-1-22572-1
-# yaml-language-server: $schema=https://aka.ms/winget-manifest.version.1.1.0.schema.json
-
-PackageIdentifier: Microsoft.dotnet
-PackageVersion: 3.1.301.15174
-DefaultLocale: en-US
-ManifestType: version
-ManifestVersion: 1.1.0