diff --git a/main.json b/main.json
index 0153bc7..42e076a 100644
--- a/main.json
+++ b/main.json
@@ -11,7 +11,7 @@
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-         "properties":[
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-                 "value":"Gus_Backus-Bohnen_in_die_Ohrn.mp3"
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          "id":5,
-         "name":"floorTiles",
+         "name":"floorLayer",
          "opacity":1,
          "type":"tilelayer",
          "visible":true,
@@ -224,17 +200,6 @@
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-         "name":"floorLayer",
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-         "type":"objectgroup",
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@@ -289,19 +254,13 @@
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          "opacity":1,
-         "properties":[
-                {
-                 "name":"exitURL",
-                 "type":"string",
-                 "value":"{<lobby>\/maps\/hardware-making.json#start_hardware-hacking-area}"
-                }],
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          "visible":true,
          "width":17,
          "x":0,
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         }],
- "nextlayerid":22,
+ "nextlayerid":20,
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diff --git a/mueseum.tmx b/mueseum.tmx
index 885ba1d..7aefb2f 100644
--- a/mueseum.tmx
+++ b/mueseum.tmx
@@ -1,5 +1,5 @@
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+<map version="1.4" tiledversion="1.4.3" orientation="orthogonal" renderorder="right-down" width="17" height="14" tilewidth="32" tileheight="32" infinite="0" nextlayerid="20" nextobjectid="1">
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@@ -242,28 +242,7 @@
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-  <properties>
-   <property name="playAudioLoop" value="Gus_Backus-Bohnen_in_die_Ohrn.mp3"/>
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+ <layer id="5" name="floorLayer" width="17" height="14">
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@@ -281,7 +260,6 @@
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