         #if MOZ_CHANNEL_RELEASE
             return false
         #elseif MOZ_CHANNEL_BETA
-            return true
-        #elseif MOZ_CHANNEL_NIGHTLY
-            return true
+            return false
+        #elseif MOZ_CHANNEL_NIGHTLY
+            return false
         #elseif MOZ_CHANNEL_FENNEC
             return true
         #elseif MOZ_CHANNEL_AURORA

        #if MOZ_CHANNEL_RELEASE
            return false
        #elseif MOZ_CHANNEL_BETA
            return true
        #elseif MOZ_CHANNEL_NIGHTLY
            return true
        #elseif MOZ_CHANNEL_FENNEC
            return true
        #elseif MOZ_CHANNEL_AURORA

    ///  Enables/disables the top tabs for iPad
    public static let MOZ_TOP_TABS: Bool = {
        #if MOZ_CHANNEL_RELEASE
            return true
        #elseif MOZ_CHANNEL_BETA
            return true
        #elseif MOZ_CHANNEL_NIGHTLY
