diff --git a/setup/itopdesignformat.class.inc.php b/setup/itopdesignformat.class.inc.php
index 2f5431519..9eeb4eb6d 100644
--- a/setup/itopdesignformat.class.inc.php
+++ b/setup/itopdesignformat.class.inc.php
@@ -1126,6 +1126,11 @@ class iTopDesignFormat
 		$this->RemoveNodeFromXPath('/itop_design/events');
 		$this->RemoveNodeFromXPath('/itop_design/event_listeners');
 		$this->RemoveNodeFromXPath('/itop_design/classes//class/event_listeners');
+
+		// N°3190 - Edit n:n LinkedSetIndirect in object details using a tagset-like widget
+		// - remove display style
+		$this->RemoveNodeFromXPath("/itop_design/classes//class/fields/field[@xsi:type='AttributeLinkedSet']/display_style");
+		$this->RemoveNodeFromXPath("/itop_design/classes//class/fields/field[@xsi:type='AttributeLinkedSetIndirect']/display_style");
 	}
 
 	/**
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.expected.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.expected.xml
index f85a68cc2..9a1d9376e 100644
--- a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.expected.xml
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.expected.xml
@@ -48,6 +48,18 @@
         <field id="status" xsi:type="AttributeLinkedSetIndirect"/>
       </fields>
     </class>
+    <class id="ClassWithAttributeLinkedSetDisplayStyle">
+      <fields>
+        <field id="status" xsi:type="AttributeLinkedSet">
+        </field>
+      </fields>
+    </class>
+    <class id="ClassWithAttributeLinkedSetIndirectDisplayStyle">
+      <fields>
+        <field id="status" xsi:type="AttributeLinkedSetIndirect">
+        </field>
+      </fields>
+    </class>
     <class id="ClassWithEventListeners">
       <methods>
         <method id="OnUpdateDone" _delta="define">
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.input.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.input.xml
index 3be0991e7..8cae34fc4 100644
--- a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.input.xml
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.1_to_3.0.input.xml
@@ -62,6 +62,20 @@
         </field>
       </fields>
     </class>
+    <class id="ClassWithAttributeLinkedSetDisplayStyle">
+      <fields>
+        <field id="status" xsi:type="AttributeLinkedSet">
+          <display_style>tab</display_style>
+        </field>
+      </fields>
+    </class>
+    <class id="ClassWithAttributeLinkedSetIndirectDisplayStyle">
+      <fields>
+        <field id="status" xsi:type="AttributeLinkedSetIndirect">
+          <display_style>tab</display_style>
+        </field>
+      </fields>
+    </class>
     <class id="ClassWithEventListeners">
       <event_listeners>
         <listener id="OnUserRequestUpdateDone" _delta="define">