diff --git a/BTSmart_Useless_Machine_2.blockly b/BTSmart_Useless_Machine_2.blockly
index b9b1f278cd5483f08aeed910d10e95dcfe44a2eb..a50e4c1ab4dca0c52ff531e5ca6a4931375dcf42 100644
--- a/BTSmart_Useless_Machine_2.blockly
+++ b/BTSmart_Useless_Machine_2.blockly
@@ -184,29 +184,4 @@
       </block>
     </statement>
   </block>
-  <block type="motor_set_speed" id="nTe94(WV-mL2-hcY71fi" disabled="true" x="-27" y="-738">
-    <field name="instance_name">BTSmart_M2_motor</field>
-    <field name="direction">Motor.CCW</field>
-    <value name="speed">
-      <shadow type="motor_number" id="}Hmaj0QWl9]j3V;Vfo@|">
-        <field name="MOTOR_NUM">512</field>
-      </shadow>
-    </value>
-    <next>
-      <block type="controls_whileUntil" id="MYT1Y@RCf3zVc-oZ5r`e" disabled="true">
-        <field name="MODE">UNTIL</field>
-        <value name="BOOL">
-          <block type="input_mini_switch_if_state" id="x#[4^9sl1wf|)/aogSiV">
-            <field name="instance_name">BTSmart_I2_mini_switch</field>
-            <field name="property_name">closed</field>
-          </block>
-        </value>
-        <next>
-          <block type="motor_stop" id="dtiJ|D]!P:/4xL45hPD{" disabled="true">
-            <field name="instance_name">BTSmart_M2_motor</field>
-          </block>
-        </next>
-      </block>
-    </next>
-  </block>
 </xml>
\ No newline at end of file