diff --git a/templates/assemblies/info/_bom.html.twig b/templates/assemblies/info/_bom.html.twig
deleted file mode 100644
index 6a2ca3e0..00000000
--- a/templates/assemblies/info/_bom.html.twig
+++ /dev/null
@@ -1,22 +0,0 @@
-{% import "components/datatables.macro.html.twig" as datatables %}
-
-<div class="btn-group mb-2 mt-2">
-    <a class="btn btn-success" {% if not is_granted('@assemblies.edit') %}disabled{% endif %}
-       href="{{ path('assembly_add_parts', {"id": assembly.id, "_redirect":  uri_without_host(app.request)}) }}">
-        <i class="fa-solid fa-square-plus fa-fw"></i>
-        {% trans %}assembly.info.bom_add_parts{% endtrans %}
-    </a>
-    <button type="button" class="btn btn-success dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown" aria-expanded="false">
-        <span class="visually-hidden">Toggle Dropdown</span>
-    </button>
-    <ul class="dropdown-menu">
-        <li>
-            <a class="dropdown-item" href="{{ path('assembly_import_bom', {'id': assembly.id}) }}" {% if not is_granted('edit', assembly) %}disabled="disabled"{% endif %}>
-                <i class="fa-solid fa-file-import fa-fw"></i>
-                {% trans %}assembly.edit.bom.import_bom{% endtrans %}
-            </a>
-        </li>
-    </ul>
-</div>
-
-{{ datatables.datatable(datatable, 'elements/datatables/datatables', 'assemblies') }}
\ No newline at end of file
diff --git a/templates/assemblies/info/_info_card.html.twig b/templates/assemblies/info/_info_card.html.twig
index c89c77fe..6b63bebc 100644
--- a/templates/assemblies/info/_info_card.html.twig
+++ b/templates/assemblies/info/_info_card.html.twig
@@ -37,12 +37,6 @@
                                     {% trans %}entity.info.attachments.tab{% endtrans %}
                                 </a>
                             {% endif %}
-                            {% if assembly.parameters is not empty %}
-                                <a class="nav-link" id="v-pills-parameters-tab" data-bs-toggle="pill" href="#v-pills-parameters" role="tab" aria-controls="v-pills-parameters" aria-selected="false">
-                                    <i class="fas fa-atlas fa-fw"></i>
-                                    {% trans %}entity.info.parameters.tab{% endtrans %}
-                                </a>
-                            {% endif %}
                             {% if assembly.comment is not empty %}
                                 <a class="nav-link" id="v-pills-comment-tab" data-bs-toggle="pill" href="#v-pills-comment" role="tab">
                                     <i class="fas fa-comment-alt fa-fw"></i>
@@ -108,15 +102,6 @@
                                 </div>
                             {% endif %}
 
-                            {% if assembly.parameters is not empty %}
-                                <div class="tab-pane fade" id="v-pills-parameters" role="tabpanel" aria-labelledby="v-pills-parameters-tab">
-                                    {% for name, parameters in assembly.groupedParameters %}
-                                        {% if name is not empty %}<h5 class="mt-1">{{ name }}</h5>{% endif %}
-                                        {{ helper.parameters_table(assembly) }}
-                                    {% endfor %}
-                                </div>
-                            {% endif %}
-
                             {% if assembly.comment is not empty %}
                                 <div class="tab-pane fade" id="v-pills-comment" role="tabpanel" aria-labelledby="home-tab">
                                     <div class="container-fluid mt-2 latex" data-controller="common--latex">
diff --git a/templates/assemblies/info/_subassemblies.html.twig b/templates/assemblies/info/_subassemblies.html.twig
deleted file mode 100644
index 8c92c5e9..00000000
--- a/templates/assemblies/info/_subassemblies.html.twig
+++ /dev/null
@@ -1,28 +0,0 @@
-<table class="table table-striped table-hover">
-    <thead>
-        <tr>
-            <th>{% trans %}name.label{% endtrans %}</th>
-            <th>{% trans %}description.label{% endtrans %}</th>
-            <th># {% trans %}assembly.info.bom_entries_count{% endtrans %}</th>
-            <th># {% trans %}assembly.info.sub_assemblies_count{% endtrans %}</th>
-        </tr>
-    </thead>
-    <tbody>
-        {% for subassembly in assembly.children %}
-            <tr>
-                <td> {# Name #}
-                    <a href="{{ entity_url(subassembly, 'info') }}">{{ subassembly.name }}</a>
-                </td>
-                <td> {# Description #}
-                    {{ subassembly.description | format_markdown }}
-                </td>
-                <td>
-                    {{ subassembly.bomEntries | length }}
-                </td>
-                <td>
-                    {{ subassembly.children | length }}
-                </td>
-            </tr>
-        {% endfor %}
-    </tbody>
-</table>
\ No newline at end of file
diff --git a/templates/form/collection_types_layout.html.twig b/templates/form/collection_types_layout.html.twig
index def23500..0175aeaf 100644
--- a/templates/form/collection_types_layout.html.twig
+++ b/templates/form/collection_types_layout.html.twig
@@ -44,6 +44,7 @@
         <td style="min-width: 300px;">
             {{ form_row(form.part) }}
             {{ form_errors(form.part) }}
+            <div class="text-center mb-2" style="line-height: 1">∨</div>
             {{ form_widget(form.assembly) }}
             {{ form_errors(form.assembly) }}
         </td>