diff --git a/displayword.lua b/displayword.lua
index 27e3561..8186bab 100644
--- a/displayword.lua
+++ b/displayword.lua
@@ -369,4 +369,4 @@ M = {
     countChars   = countChars
 }
 end
-dw = M
+return M
diff --git a/main.lua b/main.lua
index 4fd5e04..62d984f 100644
--- a/main.lua
+++ b/main.lua
@@ -28,14 +28,17 @@ function displayTime()
      if (timezoneoffset == nil) then
         timezoneoffset=0
      end
-     mydofile("timecore")
+     local tc = require("timecore_diet")
      if (tc == nil) then
      	return
      end
      local time = tc.getTime(sec, timezoneoffset)
      tc = nil
+     timecore_diet=nil
+     package.loaded["timecore_diet"]=nil
+
      collectgarbage()
-     mydofile("wordclock")
+     local wc = require("wordclock_diet")
      if (wc ~= nil) then
        words = wc.timestat(time.hour, time.minute)
        if ((dim ~= nil) and (dim == "on")) then
@@ -48,9 +51,12 @@ function displayTime()
        end
      end
      wc = nil
+     wordclock_diet=nil
+     package.loaded["wordclock_diet"]=nil
+
      collectgarbage()
      print("wc: " .. tostring(node.heap()))
-     mydofile("displayword")
+     local dw = require("displayword_diet")
      if (dw ~= nil) then
         --if lines 4 to 6 are inverted due to hardware-fuckup, unfuck it here
         local invertRows=false
@@ -66,6 +72,9 @@ function displayTime()
 	  print("Show number")
      end
      dw = nil
+     displayword_diet=nil
+     package.loaded["displayword_diet"]=nil
+
      collectgarbage()
     
      -- cleanup
diff --git a/mqtt.lua b/mqtt.lua
index 3b3a73c..3e46e20 100644
--- a/mqtt.lua
+++ b/mqtt.lua
@@ -137,14 +137,20 @@ function registerMqtt()
 		    -- generate the temperatur to display, once as it will not change
 		    local dispTemp = tonumber(data)
 		    collectgarbage()
-		    mydofile("wordclock")
+		    if (dispTemp > 0) then
+		    local wc = require("wordclock_diet")
 		    if (wc ~= nil) then
 			tw  = wc.showText(dw, rgbBuffer, invertRows, dispTemp)
-			wc = nil
 			print("MQTT | generated words for: " .. tostring(dispTemp))
 		    else
 			print("MQTT | wordclock failed")
 		    end
+		    wc = nil
+		    wordclock_diet=nil
+                    package.loaded["wordclock_diet"]=nil
+		    else
+		      tw=nil
+		    end
 	    end
        elseif (topic == (mqttPrefix .. "/cmd/num/col")) then
 	    -- Set number of the color to display
diff --git a/timecore.lua b/timecore.lua
index e7bb36c..25d32d5 100755
--- a/timecore.lua
+++ b/timecore.lua
@@ -146,4 +146,4 @@ M = {
     getTime = getTime
 }
 end
-tc = M
+return M
diff --git a/wordclock.lua b/wordclock.lua
index fb60c71..ba6df61 100755
--- a/wordclock.lua
+++ b/wordclock.lua
@@ -192,4 +192,4 @@ M = {
     showText = showText
 }
 end
-wc = M
+return M