--- /usr/share/X11/xkb/symbols/ru.old	2016-11-25 12:11:18.514783863 +0300
+++ /usr/share/X11/xkb/symbols/ru	2016-11-25 12:10:23.734272871 +0300
@@ -20,7 +20,7 @@
     key <AB10> { [      period,       comma  ] };
     key <BKSL> { [   backslash,       slash  ] };
 
-    include "level3(ralt_switch)"
+//    include "level3(ralt_switch)"
 };
 
 hidden partial alphanumeric_keys