diff --git a/frontend/src/components/unification/Unification/LexicalUnitEdit.vue b/frontend/src/components/unification/Unification/LexicalUnitEdit.vue
index a2158a4915d47e94aaad7e92c4133c6bd7d155a5..27b35bd2c40b1ab36f66598e139f10a15772ae35 100644
--- a/frontend/src/components/unification/Unification/LexicalUnitEdit.vue
+++ b/frontend/src/components/unification/Unification/LexicalUnitEdit.vue
@@ -1204,7 +1204,7 @@ export default LexicalUnitEdit;
             <td class="table-button-menu-td" id="remove-sel-pref" style="padding: 10px 15px 10px 15px; color: #000000;" @click="removeSelectionalPreference">Usuń prefer.</td>
             <td class="table-button-menu-td" id="change-windows" style="padding: 10px 15px 10px 15px; color: #000000;" @click="swapUnifiedFrames">Zamień okna</td>
 
-            <td class="table-button-menu-td" v-if="frames.length == 0 || isSuperLeksykograf()" id="delete-frame" style="padding: 10px 15px 10px 15px; color: #000000;" @click="deleteUnifiedFrames">Usuń ramę</td>
+            <td class="table-button-menu-td" v-if="frames.length == 0 || isSuperLeksykograf() || unified_frame.status == 'O'" id="delete-frame" style="padding: 10px 15px 10px 15px; color: #000000;" @click="deleteUnifiedFrames">Usuń ramę</td>
             <td class="table-button-menu-td" v-else id="empty-1" style="padding: 10px 15px 10px 15px; color: #000000;"></td>
 
             <td class="table-button-menu-td" v-if="isSuperLeksykograf()" id="empty-3" style="padding: 10px 15px 10px 15px; color: #000000;"></td>
@@ -1344,7 +1344,7 @@ export default LexicalUnitEdit;
             <td id="attach-slowal-frame" class="table-button-menu-td" style="padding: 10px 15px 10px 15px; color: #000000;" @click="attachSlowalFrame">Podepnij</td>
           </tr>
           <tr style="background-color: white;">
-            <td id="inccorect-slowal-frame" class="table-button-menu-td" style="padding: 10px 15px 10px 15px; color: #000000;" @click="!this.isSuperLeksykograf() ? change_slowal_frame_status('C') : this.active_slowal_frame && this.active_slowal_frame.status === 'C' ? slowal_frame_status_change_with_confirmation('frame_confirm_as_not_matching_unified_frame') : change_slowal_frame_status('C')">
+            <td id="inccorect-slowal-frame" class="table-button-menu-td" style="padding: 10px 15px 10px 15px; color: #000000;" @click="slowal_frame_status_change_with_confirmation('frame_confirm_as_not_matching_unified_frame')">
               {{createSlowalContestedStatusButtonLabel()}}
             </td>
             <td id="show-slowal-frame" class="table-button-menu-td" style="padding: 10px 15px 10px 15px; color: #000000;" @click="resetFrameVisibilityRestictions()">
diff --git a/unifier/views.py b/unifier/views.py
index 7ffaabbcac4a80f1e525494be3f03b4a8dc24cc1..819d142a7467ca58034f1341e800a44ab0cdb177 100644
--- a/unifier/views.py
+++ b/unifier/views.py
@@ -140,7 +140,7 @@ def save_bunch_of_preferences_base(frame_id, complement_id, predefined_preferenc
 
     for synset_id in synset_ids:
         check_sysnet_hierarchy_constraints_ret = save_synset_preference(frame_id, complement_id, synset_id)
-        if not check_sysnet_hierarchy_constraints_ret['succ'] is False:
+        if check_sysnet_hierarchy_constraints_ret['succ'] is False:
             transaction.set_rollback(True)
             return check_sysnet_hierarchy_constraints_ret
 
@@ -357,11 +357,6 @@ def get_unified_frame_json(unified_frame, request):
     local_schema_filter_form = None
     local_frame_filter_form = None
 
-    import datetime
-    now = datetime.datetime.now()
-    print("1 Current date and time : ")
-    print(now.strftime("%Y-%m-%d %H:%M:%S"))
-
     if 'no_filters' in request.POST:
         apply_filters = not simplejson.loads(request.POST['no_filters'])
         local_schema_filter_form = get_local_schema_filter_form(apply_filters, request)