diff --git a/appveyor.signed.bak.yml b/appveyor.signed.bak.yml
deleted file mode 100644
index 1fd28f4..0000000
--- a/appveyor.signed.bak.yml
+++ /dev/null
@@ -1,104 +0,0 @@
-version: 1.0.0.{build}
-
-image: Visual Studio 2017
-
-configuration: Release
-skip_tags: true
-
-services:
- - mssql2017
- - mysql
- - postgresql
-
-environment:
-  cert_secret:
-    secure: tZ1CLa1H+KzjeZAks/d3fkM3mp7ymDd0hnSmmKa+qe19K1kW2Tt+hMt38tNFMpJIYaOBSAcQ7bwvvqFQwVFNXA==
-  certsig_pass:
-    secure: 99QmtVsNeQdxnScCu0qG5OdWAGWwhoaXUF4jRSrzNfGFzCQQBh2NyplgGAUwCALs
-
-init:
-- ps: $Env:VersionSuffixParam = "--version-suffix"
-- ps: $Env:VersionSuffixValue = ("ci-" + $Env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0"))
-
-install:
-- ps: iex ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/appveyor/secure-file/master/install.ps1'))
-- ps: appveyor-tools\secure-file -decrypt certs\codesig.pfx.enc -secret $Env:cert_secret
-- ps: appveyor-tools\secure-file -decrypt certs\FlexLabsStrongKey.snk.enc -secret $Env:cert_secret
-- ps: Import-PfxCertificate -FilePath certs\codesig.pfx -CertStoreLocation Cert:\CurrentUser\My -Password (ConvertTo-SecureString $Env:certsig_pass -AsPlainText -Force)
-
-before_build:
-- ps: 'Write-Output ("Build version suffix: " + $Env:VersionSuffixValue)'
-- ps: dotnet --info
-- ps: dotnet restore -v Minimal
-
-build_script:
-- ps: $Env:PATH = $Env:PATH + ";C:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\Bin\"
-- ps: dotnet build -c $Env:CONFIGURATION $Env:VersionSuffixParam $Env:VersionSuffixValue
-- ps: dir -rec *.nupkg | foreach { nuget sign $_ -CertificateSubjectName "Artiom Chilaru" -Timestamper "http://timestamp.digicert.com" }
-
-artifacts:
-- path: '**\*.nupkg'
-
-for:
-- branches:
-    only:
-    - develop
-
-  deploy:
-  - provider: NuGet
-    server: https://www.myget.org/F/artiomchi/api/v2/package
-    symbol_server: https://www.myget.org/F/artiomchi/symbols/api/v2/package
-    api_key:
-      secure: BlCFbX6MZpsBFqMRZHGultlTjjW8N7fwApHSx/AidToI+nIVCGb5G0yJ3+faCHbc
-    artifact: /.*\.nupkg/
-
-- branches:
-    only:
-    - /feature\/.*/
-
-  init:
-  - ps: $Env:VersionSuffixParam = "--version-suffix"
-  - ps: $Env:VersionSuffixValue = ("ci--" + $Env:APPVEYOR_REPO_BRANCH.Substring(8) + "-" + $Env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0"))
-
-  deploy:
-  - provider: NuGet
-    server: https://www.myget.org/F/artiomchi/api/v2/package
-    symbol_server: https://www.myget.org/F/artiomchi/symbols/api/v2/package
-    api_key:
-      secure: BlCFbX6MZpsBFqMRZHGultlTjjW8N7fwApHSx/AidToI+nIVCGb5G0yJ3+faCHbc
-    artifact: /.*\.nupkg/
-
-- branches:
-    only:
-    - /prerelease\/.*/
-
-  init:
-  - ps: $Env:VersionSuffixParam = "--version-suffix"
-  - ps: $Env:VersionSuffixValue = ($Env:APPVEYOR_REPO_BRANCH.Substring(11) + "-" + $Env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0"))
-
-  deploy:
-  - provider: NuGet
-    api_key:
-      secure: BceZKQ4UzRsuP33NdSIEKhPw6kcBZ665gvgYe9oqO2AKoEO/TOp0EcR2hTl4t8MO
-    artifact: /.*\.nupkg/
-
-- branches:
-    only:
-    - master
-
-  init:
-  - ps: $Env:VersionSuffixParam = $null
-  - ps: $Env:VersionSuffixValue = $null
-
-  deploy:
-  - provider: NuGet
-    api_key:
-      secure: BceZKQ4UzRsuP33NdSIEKhPw6kcBZ665gvgYe9oqO2AKoEO/TOp0EcR2hTl4t8MO
-    artifact: /.*\.nupkg/
-
-  - provider: NuGet
-    server: https://www.myget.org/F/artiomchi/api/v2/package
-    symbol_server: https://www.myget.org/F/artiomchi/symbols/api/v2/package
-    api_key:
-      secure: BlCFbX6MZpsBFqMRZHGultlTjjW8N7fwApHSx/AidToI+nIVCGb5G0yJ3+faCHbc
-    artifact: /.*\.nupkg/
diff --git a/appveyor.signed.yml b/appveyor.signed.yml
index 49aeb91..4e5adeb 100644
--- a/appveyor.signed.yml
+++ b/appveyor.signed.yml
@@ -71,27 +71,3 @@ for:
     api_key:
       secure: BlCFbX6MZpsBFqMRZHGultlTjjW8N7fwApHSx/AidToI+nIVCGb5G0yJ3+faCHbc
     artifact: /.*\.nupkg/
-
-- branches:
-    only:
-    - /prerelease\/.*/
-
-  init:
-  - ps: $Env:VersionSuffixParam = "--version-suffix"
-  - ps: $Env:VersionSuffixValue = ($Env:APPVEYOR_REPO_BRANCH.Substring(11) + "-" + $Env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0"))
-
-- branches:
-    only:
-    - master
-
-  init:
-  - ps: $Env:VersionSuffixParam = $null
-  - ps: $Env:VersionSuffixValue = $null
-
-  deploy:
-  - provider: NuGet
-    server: https://www.myget.org/F/artiomchi/api/v2/package
-    symbol_server: https://www.myget.org/F/artiomchi/symbols/api/v2/package
-    api_key:
-      secure: BlCFbX6MZpsBFqMRZHGultlTjjW8N7fwApHSx/AidToI+nIVCGb5G0yJ3+faCHbc
-    artifact: /.*\.nupkg/