diff --git a/uos_gazebo_worlds/worlds/avz_collada.world b/uos_gazebo_worlds/worlds/avz_collada.world
index 63e440f..ea51971 100644
--- a/uos_gazebo_worlds/worlds/avz_collada.world
+++ b/uos_gazebo_worlds/worlds/avz_collada.world
@@ -7,24 +7,6 @@
       <shadows>false</shadows>
     </scene>
 
-    <physics type="ode">
-      <gravity>0 0 -9.8</gravity>
-      <ode>
-        <solver>
-          <type>quick</type>
-          <dt>0.001</dt>
-          <iters>10</iters>
-          <sor>1.3</sor>
-        </solver>
-        <constraints>
-          <cfm>0.0</cfm>
-          <erp>0.2</erp>
-          <contact_max_correcting_vel>100.0</contact_max_correcting_vel>
-          <contact_surface_layer>0.001</contact_surface_layer>
-        </constraints>
-      </ode>
-    </physics>
-
     <!-- Ground Plane -->
     <model name="plane1_model">
       <link name="body">
@@ -37,8 +19,8 @@
           <surface>
             <friction>
               <ode>
-                <mu>10.0</mu>
-                <mu2>10.0</mu2>
+                <mu>1.0</mu>
+                <mu2>1.0</mu2>
                 <fdir1>0 0 0</fdir1>
                 <slip1>0</slip1>
                 <slip2>0</slip2>