diff --git a/brick/static-b.sdf b/brick/static-b.sdf
index ec9d185..288e9cf 100644
--- a/brick/static-b.sdf
+++ b/brick/static-b.sdf
@@ -16,33 +16,6 @@
           <izz>0</izz>
         </inertia>
       </inertial>
-      <collision name='Brick_collision'>
-        <pose frame=''>0 0 0 1.5708 -0 0</pose>
-        <geometry>
-          <box>
-            <size>0.192 0.062 0.086</size>
-          </box>
-        </geometry>
-        <surface>
-          <friction>
-            <ode>
-              <mu>10000000</mu>
-              <mu2>10000000</mu2>
-              <fdir1>0 0 1</fdir1>
-              <slip1>1000</slip1>
-              <slip2>1000</slip2>
-            </ode>
-          </friction>
-          <contact>
-            <ode>
-              <kp>1000000000.000000</kp>
-              <kd>100000000.00000</kd>
-              <max_vel>20.000000</max_vel>
-              <min_depth>0.0001</min_depth>
-            </ode>
-          </contact>
-        </surface>
-      </collision>
       <visual name='Brick_visual'>
         <pose frame=''>0 0 0 1.5708 -0 0</pose>
         <geometry>