diff --git a/ZitiUpdateService/UpdateService.cs b/ZitiUpdateService/UpdateService.cs
index f3b8d412..5f8c7fee 100644
--- a/ZitiUpdateService/UpdateService.cs
+++ b/ZitiUpdateService/UpdateService.cs
@@ -33,8 +33,6 @@ namespace ZitiUpdateService {
 
 		public bool useGithubCheck { get; private set; }
 
-		private static string[] expected_hashes = new string[] { "39636E9F5E80308DE370C914CE8112876ECF4E0C", "51D52749DA021F095B021DF8C09BD62C55C36F1F" };
-
 		private static string[] expected_subject = new string[] { @"CN=""NetFoundry, Inc."", O=""NetFoundry, Inc."", L=Herndon, S=Virginia, C=US", @"CN=NetFoundry Inc., O=NetFoundry Inc., L=Herndon, S=Virginia, C=US" };
 
 		private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
@@ -660,16 +658,6 @@ namespace ZitiUpdateService {
 					Logger.Info("the file downloaded uses a known subject. installation and can proceed. [subject:{0}]", subject);
 				}
 
-				var hash = signer.GetCertHashString();
-				if (!expected_hashes.Contains(hash)) {
-					Logger.Error("the file downloaded is signed by an unknown certificate! the installation will not proceed. [hash:{0}]", hash);
-					inUpdateCheck = false;
-					return;
-
-				} else {
-					Logger.Info("the file downloaded is signed by a known certificate. installation and can proceed. [subject:{0}]", subject);
-				}
-
 				StopZiti();
 				StopUI().Wait();
 
diff --git a/service/build.bat b/service/build.bat
index 34d01237..e1b6b27a 100644
--- a/service/build.bat
+++ b/service/build.bat
@@ -85,6 +85,8 @@ echo REMOVING old build folder if it exists at %TUNNELER_SDK_DIR%build
 rmdir /s /q %TUNNELER_SDK_DIR%build
 echo REMOVING ziti.dll at %SVC_ROOT_DIR%ziti.dll
 del /q %SVC_ROOT_DIR%ziti.dll
+echo REMOVING wintun.dll at %SVC_ROOT_DIR%wintun.dll
+del /q %SVC_ROOT_DIR%wintun.dll
 
 :QUICK