diff --git a/QuickLook.Installer/QuickLook.Installer.wixproj b/QuickLook.Installer/QuickLook.Installer.wixproj
index d704fc6..e5473bc 100644
--- a/QuickLook.Installer/QuickLook.Installer.wixproj
+++ b/QuickLook.Installer/QuickLook.Installer.wixproj
@@ -39,9 +39,7 @@
     <Error Text="The WiX Toolset v3.11 (or newer) build tools must be installed to build this project. To download the WiX Toolset, see http://wixtoolset.org/releases/" />
   </Target>
   <PropertyGroup>
-    <PostBuildEvent>powershell -file "$(SolutionDir)Scripts\sign-msi.ps1"
-
-powershell -file "$(SolutionDir)Scripts\rename-msi.ps1"
+    <PostBuildEvent>powershell -file "$(SolutionDir)Scripts\rename-msi.ps1"
 
 powershell -file "$(SolutionDir)Scripts\pack-zip.ps1"</PostBuildEvent>
   </PropertyGroup>
@@ -50,8 +48,6 @@ powershell -file "$(SolutionDir)Scripts\pack-zip.ps1"</PostBuildEvent>
 
 robocopy "$(SolutionDir)Build\$(Configuration)" "$(SolutionDir)Build\Package" %2a.%2a /e /njh /njs /ndl /nfl /nc /ns /np /xf %2a.pdb /xf %2a.obj /xf %2a.ipdb /xf %2a.iobj /xf %2a.exp /xf %2a.lib /xf %2a.ilk /xf %2a.xml
 
-powershell -file "$(SolutionDir)Scripts\sign-package.ps1"
-
 "$(WIX)bin\heat" dir "$(SolutionDir)Build\Package" -dr INSTALLFOLDER -cg QuickLookComponents -gg -g1 -sf -srd -sreg -var "var.PackageDir" -out "$(ProjectDir)C_QuickLookComponents.wxs"</PreBuildEvent>
   </PropertyGroup>
   <!--
diff --git a/Scripts/sign-msi.ps1 b/Scripts/sign-msi.ps1
deleted file mode 100644
index 6ed92a9..0000000
--- a/Scripts/sign-msi.ps1
+++ /dev/null
@@ -1,8 +0,0 @@
-if(-not (Test-Path env:CI))
-{
-    $signExe = 'C:\Program Files (x86)\Windows Kits\10\bin\10.0.16299.0\x86\signtool.exe'
-    $file = '..\Build\QuickLook.msi'
-    $timestampUrl = 'http://time.certum.pl/'
-
-    .$signExe sign /a /v /fd sha256 /t $timestampUrl $file
-}
\ No newline at end of file
diff --git a/Scripts/sign-package.ps1 b/Scripts/sign-package.ps1
deleted file mode 100644
index 28f311a..0000000
--- a/Scripts/sign-package.ps1
+++ /dev/null
@@ -1,8 +0,0 @@
-if(-not (Test-Path env:CI))
-{
-    $signExe = 'C:\Program Files (x86)\Windows Kits\10\bin\10.0.16299.0\x86\signtool.exe'
-    $files = gci '..\Build\Package\*' -Recurse -Include QuickLook*.exe,QuickLook*.dll | %{('"{0}"' -f $_.FullName)}
-    $timestampUrl = 'http://time.certum.pl/'
-
-    .$signExe sign /a /v /fd sha256 /t $timestampUrl $files
-}
\ No newline at end of file