diff --git a/regression-tests/14-rpl-lite/04-rpl-28-hours-no-dao-ack.csc b/regression-tests/14-rpl-lite/04-rpl-28-hours-no-dao-ack.csc
deleted file mode 100644
index ba628ae81..000000000
--- a/regression-tests/14-rpl-lite/04-rpl-28-hours-no-dao-ack.csc
+++ /dev/null
@@ -1,292 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<simconf>
-  <project EXPORT="discard">[APPS_DIR]/mrm</project>
-  <project EXPORT="discard">[APPS_DIR]/mspsim</project>
-  <project EXPORT="discard">[APPS_DIR]/avrora</project>
-  <project EXPORT="discard">[APPS_DIR]/serial_socket</project>
-  <project EXPORT="discard">[APPS_DIR]/collect-view</project>
-  <project EXPORT="discard">[APPS_DIR]/powertracker</project>
-  <simulation>
-    <title>My simulation</title>
-    <randomseed>123456</randomseed>
-    <motedelay_us>1000000</motedelay_us>
-    <radiomedium>
-      org.contikios.cooja.radiomediums.UDGM
-      <transmitting_range>50.0</transmitting_range>
-      <interference_range>50.0</interference_range>
-      <success_ratio_tx>1.0</success_ratio_tx>
-      <success_ratio_rx>1.0</success_ratio_rx>
-    </radiomedium>
-    <events>
-      <logoutput>40000</logoutput>
-    </events>
-    <motetype>
-      org.contikios.cooja.contikimote.ContikiMoteType
-      <identifier>mtype110</identifier>
-      <description>Sender</description>
-      <source>[CONFIG_DIR]/code/sender-node.c</source>
-      <commands>make TARGET=cooja clean
-make sender-node.cooja DEFINES=RPL_CONF_WITH_DAO_ACK=0 TARGET=cooja</commands>
-      <moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
-      <symbols>false</symbols>
-    </motetype>
-    <motetype>
-      org.contikios.cooja.contikimote.ContikiMoteType
-      <identifier>mtype792</identifier>
-      <description>RPL root</description>
-      <source>[CONFIG_DIR]/code/root-node.c</source>
-      <commands>make TARGET=cooja clean
-make root-node.cooja DEFINES=RPL_CONF_WITH_DAO_ACK=0 TARGET=cooja</commands>
-      <moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
-      <symbols>false</symbols>
-    </motetype>
-    <motetype>
-      org.contikios.cooja.contikimote.ContikiMoteType
-      <identifier>mtype964</identifier>
-      <description>Receiver</description>
-      <source>[CONFIG_DIR]/code/receiver-node.c</source>
-      <commands>make TARGET=cooja clean
-make receiver-node.cooja DEFINES=RPL_CONF_WITH_DAO_ACK=0 TARGET=cooja</commands>
-      <moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
-      <moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
-      <moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
-      <symbols>false</symbols>
-    </motetype>
-    <mote>
-      <interface_config>
-        org.contikios.cooja.interfaces.Position
-        <x>7.772906112657773</x>
-        <y>86.396910401861</y>
-        <z>0.0</z>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiMoteID
-        <id>1</id>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiRadio
-        <bitrate>250.0</bitrate>
-      </interface_config>
-      <motetype_identifier>mtype964</motetype_identifier>
-    </mote>
-    <mote>
-      <interface_config>
-        org.contikios.cooja.interfaces.Position
-        <x>75.54361692539452</x>
-        <y>14.292026223193414</y>
-        <z>0.0</z>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiMoteID
-        <id>2</id>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiRadio
-        <bitrate>250.0</bitrate>
-      </interface_config>
-      <motetype_identifier>mtype110</motetype_identifier>
-    </mote>
-    <mote>
-      <interface_config>
-        org.contikios.cooja.interfaces.Position
-        <x>47.962513687652844</x>
-        <y>7.199742533488408</y>
-        <z>0.0</z>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiMoteID
-        <id>6</id>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiRadio
-        <bitrate>250.0</bitrate>
-      </interface_config>
-      <motetype_identifier>mtype964</motetype_identifier>
-    </mote>
-    <mote>
-      <interface_config>
-        org.contikios.cooja.interfaces.Position
-        <x>1.8626697045702818</x>
-        <y>47.783365869022624</y>
-        <z>0.0</z>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiMoteID
-        <id>8</id>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiRadio
-        <bitrate>250.0</bitrate>
-      </interface_config>
-      <motetype_identifier>mtype964</motetype_identifier>
-    </mote>
-    <mote>
-      <interface_config>
-        org.contikios.cooja.interfaces.Position
-        <x>0.0</x>
-        <y>0.0</y>
-        <z>0.0</z>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiMoteID
-        <id>3</id>
-      </interface_config>
-      <interface_config>
-        org.contikios.cooja.contikimote.interfaces.ContikiRadio
-        <bitrate>250.0</bitrate>
-      </interface_config>
-      <motetype_identifier>mtype792</motetype_identifier>
-    </mote>
-  </simulation>
-  <plugin>
-    org.contikios.cooja.plugins.SimControl
-    <width>280</width>
-    <z>0</z>
-    <height>160</height>
-    <location_x>400</location_x>
-    <location_y>0</location_y>
-  </plugin>
-  <plugin>
-    org.contikios.cooja.plugins.Visualizer
-    <plugin_config>
-      <skin>org.contikios.cooja.plugins.skins.IDVisualizerSkin</skin>
-      <skin>org.contikios.cooja.plugins.skins.UDGMVisualizerSkin</skin>
-      <skin>org.contikios.cooja.plugins.skins.GridVisualizerSkin</skin>
-      <skin>org.contikios.cooja.plugins.skins.MoteTypeVisualizerSkin</skin>
-      <viewport>2.5379695437350276 0.0 0.0 2.5379695437350276 78.27260101976275 40.72727272727276</viewport>
-    </plugin_config>
-    <width>400</width>
-    <z>2</z>
-    <height>400</height>
-    <location_x>1</location_x>
-    <location_y>1</location_y>
-  </plugin>
-  <plugin>
-    org.contikios.cooja.plugins.LogListener
-    <plugin_config>
-      <filter />
-      <formatted_time />
-      <coloring />
-    </plugin_config>
-    <width>1184</width>
-    <z>3</z>
-    <height>240</height>
-    <location_x>402</location_x>
-    <location_y>162</location_y>
-  </plugin>
-  <plugin>
-    org.contikios.cooja.plugins.Notes
-    <plugin_config>
-      <notes>Enter notes here</notes>
-      <decorations>true</decorations>
-    </plugin_config>
-    <width>904</width>
-    <z>4</z>
-    <height>160</height>
-    <location_x>680</location_x>
-    <location_y>0</location_y>
-  </plugin>
-  <plugin>
-    org.contikios.cooja.plugins.ScriptRunner
-    <plugin_config>
-      <script>GENERATE_MSG(0000000, "add-sink");&#xD;
-//GENERATE_MSG(1000000, "remove-sink");&#xD;
-//GENERATE_MSG(2000000, "add-sink");&#xD;
-&#xD;
-lostMsgs = 0;&#xD;
-&#xD;
-TIMEOUT(100000000, if(lastMsg != -1 &amp;&amp; lostMsgs == 0) { log.testOK(); } );&#xD;
-&#xD;
-lastMsg = -1;&#xD;
-packets = "_________";&#xD;
-hops = 0;&#xD;
-&#xD;
-while(true) {&#xD;
-    YIELD();&#xD;
-    if(msg.equals("remove-sink")) {&#xD;
-        m = sim.getMoteWithID(3);&#xD;
-        sim.removeMote(m);&#xD;
-        log.log("removed sink\n");&#xD;
-    } else if(msg.equals("add-sink")) {&#xD;
-        if(!sim.getMoteWithID(3)) {&#xD;
-            m = sim.getMoteTypes()[1].generateMote(sim);&#xD;
-            m.getInterfaces().getMoteID().setMoteID(3);&#xD;
-            sim.addMote(m);&#xD;
-            log.log("added sink\n");&#xD;
-         } else {&#xD;
-            log.log("did not add sink as it was already there\n");      &#xD;
-         }&#xD;
-    } else if(msg.startsWith("Sending")) {&#xD;
-        hops = 0;&#xD;
-    } else if(msg.startsWith("#L") &amp;&amp; msg.endsWith("1; red")) {&#xD;
-        hops++;&#xD;
-    } else if(msg.startsWith("Data")) {&#xD;
-        data = msg.split(" ");&#xD;
-        num = parseInt(data[14]);&#xD;
-        if(lastMsg != -1) {&#xD;
-          if(num != lastMsg + 1) {&#xD;
-            numMissed = num - lastMsg - 1;&#xD;
-            lostMsgs += numMissed;           &#xD;
-            log.log("Missed messages " + numMissed + " before " + num + "\n");            &#xD;
-            for(i = 0; i &lt; numMissed; i++) {&#xD;
-                packets = packets.substr(0, lastMsg + i + 1).concat("_");    &#xD;
-            }&#xD;
-          }    &#xD;
-        }&#xD;
-        packets = packets.substr(0, num).concat("*");&#xD;
-        log.log("" + hops + " " + packets + "\n");&#xD;
-        lastMsg = num;&#xD;
-    }&#xD;
-}</script>
-      <active>true</active>
-    </plugin_config>
-    <width>962</width>
-    <z>1</z>
-    <height>596</height>
-    <location_x>603</location_x>
-    <location_y>43</location_y>
-  </plugin>
-</simconf>