diff --git a/config.html b/config.html
index 2b5fd90..ae1b6d4 100644
--- a/config.html
+++ b/config.html
@@ -48,20 +48,43 @@
     </thead>
     <tbody id="input_body">
         {{#foreach from=$module.config.inputNature item="input_field"}}
+
+            {{* Vérifier si la suppression de ce type d'entrée est possible *}}
+            {{:assign suppr=true}}
+            {{#load type="movement" where="$$.inputNature = :libelle" :libelle=$input_field.label}}
+                {{:assign suppr=false}}
+            {{/load}}
+
         <tr>
           <td>{{:input type="text" name="input_fields[label][]" default=$input_field.label}}</td>
           <td>{{:input type="select" name="input_fields[type][]" options=$types_entrees default=$input_field.type required=true default_empty="— Choisir un type —"}}</td>
           <td class="action">
-            {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{if $suppr}}
+                {{:button label="Supprimer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{else}}
+                {{:button label="Supprimer" shape="minus" disabled=true}}
+            {{/if}}
           </td>
         </tr>
         {{else}}
+        {{* pas de config enregistrée : utiliser les valeurs par défaut *}}
         {{#foreach from=$entrees_defaut key="label" item="value"}}
+
+            {{* Vérifier si la suppression de ce type d'entrée est possible *}}
+            {{:assign suppr=true}}
+            {{#load type="movement" where="$$.inputNature = :libelle" :libelle=$label}}
+                {{:assign suppr=false}}
+            {{/load}}
+
         <tr>
           <td>{{:input type="text" name="input_fields[label][]" default=$label}}</td>
           <td>{{:input type="select" name="input_fields[type][]" options=$types_entrees required=true default=$value default_empty="— Choisir un type —"}}</td>
           <td class="action">
-            {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{if $suppr}}
+                {{:button label="Supprimer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{else}}
+                {{:button label="Supprimer" shape="minus" disabled=true}}
+            {{/if}}
           </td>
         </tr>
         {{/foreach}}
@@ -95,20 +118,43 @@
     </thead>
     <tbody id="output_body">
         {{#foreach from=$module.config.outputNature item="output_field"}}
+
+            {{* Vérifier si la suppression de ce type de sortie est possible *}}
+            {{:assign suppr=true}}
+            {{#load type="movement" where="$$.outputNature = :libelle" :libelle=$output_field.label}}
+                {{:assign suppr=false}}
+            {{/load}}
+
         <tr>
           <td>{{:input type="text" name="output_fields[label][]" default=$output_field.label}}</td>
           <td>{{:input type="select" name="output_fields[type][]" options=$types_sorties default=$output_field.type required=true default_empty="— Choisir un type —"}}</td>
           <td class="action">
-            {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{if $suppr}}
+                {{:button label="Supprimer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{else}}
+                {{:button label="Supprimer" shape="minus" disabled=true}}
+            {{/if}}
           </td>
         </tr>
         {{else}}
+        {{* pas de config enregistrée : utiliser les valeurs par défaut *}}
         {{#foreach from=$sorties_defaut key="label" item="value"}}
+
+            {{* Vérifier si la suppression de ce type de sortie est possible *}}
+            {{:assign suppr=true}}
+            {{#load type="movement" where="$$.inputNature = :libelle" :libelle=$label}}
+                {{:assign suppr=false}}
+            {{/load}}
+
         <tr>
           <td>{{:input type="text" name="output_fields[label][]" default=$label}}</td>
           <td>{{:input type="select" name="output_fields[type][]" options=$types_sorties required=true default=$value default_empty="— Choisir un type —"}}</td>
           <td class="action">
-            {{:button label="Retirer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{if $suppr}}
+                {{:button label="Supprimer" shape="minus" onclick="this.parentNode.parentNode.remove();"}}
+            {{else}}
+                {{:button label="Supprimer" shape="minus" disabled=true}}
+            {{/if}}
           </td>
         </tr>
         {{/foreach}}