diff --git a/PHI-CL/control.lua b/PHI-CL/control.lua
index 2aa3a6f..113471f 100644
--- a/PHI-CL/control.lua
+++ b/PHI-CL/control.lua
@@ -422,37 +422,6 @@ local function handle_research_queue(entity, combinator)
     end
 end
 
-local function handle_valve_value(entity, combinator)
-    local combinator_slot = combinator.get_slot(2)
-
-    if not (combinator_slot or (combinator_slot.value and combinator_slot.value.name and combinator_slot.value.name == 'signal-VA')) then
-        combinator.set_slot(2, {value = {type = 'virtual', name = 'signal-VA', quality = 'normal'}, min = 0})
-        return
-    end
-
-    local combinator_slot_value = combinator_slot.min or 0
-
-    if (combinator_slot_value >= 0 and combinator_slot_value < 101) then
-        -- every item in front of it?
-        local v = entity.surface.find_entities_filtered{type='valve', position=entity.position, radius=1}
-
-        if #v == 0 then
-            return
-        end
-
-        for _, valve in pairs(v) do
-            if valve.valve_threshold_override then
-                if combinator_slot_value == 0 then
-                    valve.valve_threshold_override = nil
-
-                else
-                    valve.valve_threshold_override = combinator_slot_value / 100
-                end
-            end
-        end
-    end
-end
-
 script.on_nth_tick(10, function(_)
     local head = #storage.phi_cl.combinator.combinator_list
     local max_remove = math.floor(head / 100) + 1