diff --git a/src/views/desktop/SignupPage.vue b/src/views/desktop/SignupPage.vue
index 9fc27b01..999064d8 100644
--- a/src/views/desktop/SignupPage.vue
+++ b/src/views/desktop/SignupPage.vue
@@ -409,7 +409,6 @@ export default {
         },
         submit() {
             const self = this;
-            const router = self.f7router;
 
             const problemMessage = self.inputEmptyProblemMessage || self.inputInvalidProblemMessage;
 
diff --git a/src/views/desktop/TransactionTagsPage.vue b/src/views/desktop/TransactionTagsPage.vue
index 06093620..d3570b3b 100644
--- a/src/views/desktop/TransactionTagsPage.vue
+++ b/src/views/desktop/TransactionTagsPage.vue
@@ -45,7 +45,7 @@
                     </thead>
 
                     <tbody>
-                    <tr v-for="idx in (loading && noAvailableTag ? [1, 2, 3] : [])">
+                    <tr :key="itemIdx" v-for="itemIdx in (loading && noAvailableTag ? [ 1, 2, 3 ] : [])">
                         <td class="px-0" colspan="2">
                             <v-skeleton-loader type="text" :loading="true"></v-skeleton-loader>
                         </td>
diff --git a/src/views/desktop/user/settings/UserSecuritySettingTab.vue b/src/views/desktop/user/settings/UserSecuritySettingTab.vue
index 9b03dce0..859db690 100644
--- a/src/views/desktop/user/settings/UserSecuritySettingTab.vue
+++ b/src/views/desktop/user/settings/UserSecuritySettingTab.vue
@@ -99,7 +99,8 @@
                     </tr>
                     </thead>
                     <tbody>
-                    <tr v-for="idx in (loadingSession && (!sessions || sessions.length < 1) ? [1, 2, 3] : [])">
+                    <tr :key="itemIdx"
+                        v-for="itemIdx in (loadingSession && (!sessions || sessions.length < 1) ? [ 1, 2, 3 ] : [])">
                         <td class="px-0" colspan="4">
                             <v-skeleton-loader type="text" :loading="true"></v-skeleton-loader>
                         </td>