diff --git a/Detector/DetCRD/compact/TDR_o1_v01/TDR_o1_v01.xml b/Detector/DetCRD/compact/TDR_o1_v01/TDR_o1_v01.xml
index b71b5dffe28db7b801a2c8157b9f10aaa2eefe92..a44585a174a7c793c2f04df36266d5f449f7e26e 100644
--- a/Detector/DetCRD/compact/TDR_o1_v01/TDR_o1_v01.xml
+++ b/Detector/DetCRD/compact/TDR_o1_v01/TDR_o1_v01.xml
@@ -68,13 +68,14 @@
            inner_radius="SolenoidCoil_center_radius"
            outer_radius="Solenoid_outer_radius">
     </field>
-    <field name="OuterSolenoid" type="solenoid"
+    <!-- remove anti magnetic field in order to extrapolate to muon detector more easily-->
+    <!--field name="OuterSolenoid" type="solenoid"
            inner_field="0"
            outer_field="Field_outer_nominal_value"
            zmax="SolenoidCoil_half_length"
            inner_radius="Solenoid_outer_radius"
            outer_radius="Yoke_barrel_inner_radius">
-    </field>
+    </field-->
   </fields>
 
 </lccdd>