diff --git a/installer/innosetup/setup.iss b/installer/innosetup/setup.iss
index fb77b0103..1d454f6be 100644
--- a/installer/innosetup/setup.iss
+++ b/installer/innosetup/setup.iss
@@ -136,12 +136,8 @@ OutputBaseFilename={#ExeName}-INSTALLER-{#Version}-UNSTABLE
 OutputDir=..\
 PrivilegesRequired=lowest
 SetupIconFile=..\..\src\Greenshot\icons\applicationIcon\icon.ico
-; Create a SHA1 signature
-; SignTool=SignTool sign /debug /fd sha1 /tr https://time.certum.pl /td sha1 $f
-; Append a SHA256 to the previous SHA1 signature (this is what as does)
-; SignTool=SignTool sign /debug /as /fd sha256 /tr https://time.certum.pl /td sha256 $f
 SignTool=SignTool sign /sha1 "{#GetEnv('CertumThumbprint')}" /tr http://time.certum.pl /td sha256 /fd sha256 /v $f
-;SignedUninstaller=yes
+SignedUninstaller=yes
 UninstallDisplayIcon={app}\{#ExeName}.exe
 Uninstallable=true
 VersionInfoCompany={#ExeName}