diff --git a/src/Handler/Admin/Avs.hs b/src/Handler/Admin/Avs.hs
index c5ec10082..32baec476 100644
--- a/src/Handler/Admin/Avs.hs
+++ b/src/Handler/Admin/Avs.hs
@@ -40,7 +40,7 @@ single = uncurry Map.singleton
 
 
 -- Button only needed in AVS TEST; further buttons see below
-data ButtonAvsTest = BtnCheckLicences | BtnSynchLicences
+data ButtonAvsTest = BtnCheckLicences -- | BtnSynchLicences
   deriving (Enum, Eq, Ord, Bounded, Read, Show, Generic)
 instance Universe ButtonAvsTest
 instance Finite ButtonAvsTest
@@ -49,9 +49,9 @@ nullaryPathPiece ''ButtonAvsTest camelToPathPiece
 
 instance Button UniWorX ButtonAvsTest where
   btnLabel    BtnCheckLicences = "Check all licences"       -- could be msg
-  btnLabel    BtnSynchLicences = "Synchronize all licences" -- could be msg
+  -- btnLabel    BtnSynchLicences = "Synchronize all licences" -- could be msg
   btnClasses  BtnCheckLicences = [BCIsButton, BCPrimary]
-  btnClasses  BtnSynchLicences = [BCIsButton, BCDanger]
+  -- btnClasses  BtnSynchLicences = [BCIsButton, BCDanger]
 -- END Button
 
 
@@ -242,16 +242,16 @@ postAdminAvsR = do
             (Left e) -> do
               let msg = tshow (e :: SomeException)
               return $ Just [whamlet|<h2>Licence check error:</h2> #{msg}|]
-        (Just BtnSynchLicences) -> do
-          res <- try synchAvsLicences
-          case res of
-            (Right True) ->
-              return $ Just [whamlet|<h2>Success:</h2> Licences sychronized.|]
-            (Right False) ->
-              return $ Just [whamlet|<h2>Error:</h2> Licences could not be synchronized, see error log.|]
-            (Left e) -> do
-              let msg = tshow (e :: SomeException)
-              return $ Just [whamlet|<h2>Licence synchronisation error:</h2> #{msg}|]
+        -- (Just BtnSynchLicences) -> do
+        --   res <- try synchAvsLicences
+        --   case res of
+        --     (Right True) ->
+        --       return $ Just [whamlet|<h2>Success:</h2> Licences sychronized.|]
+        --     (Right False) ->
+        --       return $ Just [whamlet|<h2>Error:</h2> Licences could not be synchronized, see error log.|]
+        --     (Left e) -> do
+        --       let msg = tshow (e :: SomeException)
+        --       return $ Just [whamlet|<h2>Licence synchronisation error:</h2> #{msg}|]
 
       actionUrl <- fromMaybe AdminAvsR <$> getCurrentRoute
       siteLayoutMsg MsgMenuAvs $ do