diff --git a/src/App.vue b/src/App.vue
index 6ceb9da..d297b13 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -2,10 +2,12 @@
   <v-app>
     <v-main>
       <router-view />
+
+      <confirm-modal />
     </v-main>
   </v-app>
 </template>
 
 <script lang="ts" setup>
-  //
+//
 </script>
diff --git a/src/api/groups.ts b/src/api/groups.ts
index d1d93f4..8ec82d2 100644
--- a/src/api/groups.ts
+++ b/src/api/groups.ts
@@ -61,4 +61,12 @@ export default {
       return [undefined, e?.response?.data?.error ?? e.message];
     }
   },
+  delete: async (ID: number): Promise<[AxiosResponse?, string?]> => {
+    try {
+      const data = await $axios.delete(`v1/groups/${ID}`);
+      return [data, undefined];
+    } catch (e: any) {
+      return [undefined, e?.response?.data?.error ?? e.message];
+    }
+  },
 };
diff --git a/src/api/users.ts b/src/api/users.ts
index 09933c4..ca127d8 100644
--- a/src/api/users.ts
+++ b/src/api/users.ts
@@ -63,4 +63,12 @@ export default {
       return [undefined, e?.response?.data?.error ?? e.message];
     }
   },
+  delete: async (ID: number): Promise<[AxiosResponse?, string?]> => {
+    try {
+      const data = await $axios.delete(`v1/users/${ID}`);
+      return [data, undefined];
+    } catch (e: any) {
+      return [undefined, e?.response?.data?.error ?? e.message];
+    }
+  },
 };
diff --git a/src/components.d.ts b/src/components.d.ts
index 38c81d0..dd81cd0 100644
--- a/src/components.d.ts
+++ b/src/components.d.ts
@@ -8,6 +8,7 @@ export {}
 declare module 'vue' {
   export interface GlobalComponents {
     AppFooter: typeof import('./components/AppFooter.vue')['default']
+    ConfirmModal: typeof import('./components/ConfirmModal.vue')['default']
     ErrorPlate: typeof import('./components/ErrorPlate.vue')['default']
     HelloWorld: typeof import('./components/HelloWorld.vue')['default']
     LanguageSwitcher: typeof import('./components/LanguageSwitcher.vue')['default']
diff --git a/src/components/ConfirmModal.vue b/src/components/ConfirmModal.vue
new file mode 100644
index 0000000..0935692
--- /dev/null
+++ b/src/components/ConfirmModal.vue
@@ -0,0 +1,42 @@
+<script setup lang="ts">
+import { useConfirmationStore } from '@/stores/confirmation';
+import { useLocale } from 'vuetify';
+
+const { t } = useLocale();
+
+const $confirmation = useConfirmationStore();
+</script>
+
+<template>
+  <v-dialog persistent :model-value="$confirmation.show" width="450">
+    <v-card>
+      <template v-slot:title>
+        <v-card-title class="p-0 w-full flex items-center">
+          <span class="mso mr-1 text-2xl">warning</span>
+          <span>{{ $confirmation.title }}</span>
+        </v-card-title>
+      </template>
+
+      <v-card-text>{{ $confirmation.message }}</v-card-text>
+
+      <!-- Actions -->
+      <v-card-actions class="flex justify-end p-5 gap-1">
+        <!-- Cancel -->
+        <v-btn
+          variant="text"
+          class="px-4"
+          :text="t('$vuetify.actions.cancel')"
+          @click="$confirmation.doDecline()"
+        ></v-btn>
+        <!-- Confirm -->
+        <v-btn
+          variant="flat"
+          color="primary"
+          class="px-4"
+          :text="t('$vuetify.actions.confirm')"
+          @click="$confirmation.doConfirm()"
+        ></v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
+</template>
diff --git a/src/locales/en/actions.json b/src/locales/en/actions.json
index 6ced4f0..0288fde 100644
--- a/src/locales/en/actions.json
+++ b/src/locales/en/actions.json
@@ -7,6 +7,7 @@
     "edit": "Edit",
     "block": "Block",
     "unblock": "Unblock",
+    "apply": "Apply",
     "confirm": "Confirm",
     "cancel": "Cancel"
   }
diff --git a/src/locales/en/groups.json b/src/locales/en/groups.json
index 29e70ef..93d46f5 100644
--- a/src/locales/en/groups.json
+++ b/src/locales/en/groups.json
@@ -21,6 +21,12 @@
         "name": "Name of group",
         "permissions": "Permissions of users in group"
       }
+    },
+    "delete": {
+      "delete-one": {
+        "title": "Delete group",
+        "message": "Are you sure you want to delete group with ID {0}? This action cannot be undone"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/src/locales/en/users.json b/src/locales/en/users.json
index 2e438c2..4053cdb 100644
--- a/src/locales/en/users.json
+++ b/src/locales/en/users.json
@@ -35,6 +35,12 @@
         "group": "Group",
         "no-group": "Not in group"
       }
+    },
+    "delete": {
+      "delete-one": {
+        "title": "Delete user",
+        "message": "Are you sure you want to delete user with ID {0}? This action cannot be undone"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/src/locales/ru/actions.json b/src/locales/ru/actions.json
index 92f9492..26df083 100644
--- a/src/locales/ru/actions.json
+++ b/src/locales/ru/actions.json
@@ -7,7 +7,8 @@
     "edit": "Редактировать",
     "block": "Заблокировать",
     "unblock": "Разблокировать",
-    "confirm": "Применить",
+    "apply": "Применить",
+    "confirm": "Подтвердить",
     "cancel": "Отменить"
   }
 }
\ No newline at end of file
diff --git a/src/locales/ru/groups.json b/src/locales/ru/groups.json
index 6ffcc0d..4ae0092 100644
--- a/src/locales/ru/groups.json
+++ b/src/locales/ru/groups.json
@@ -21,6 +21,12 @@
         "name": "Название группы",
         "permissions": "Права пользователей в группе"
       }
+    },
+    "delete": {
+      "delete-one": {
+        "title": "Удаление группы",
+        "message": "Вы уверены, что хотите удалить группу с ID {0}? Данное действие нельзя будет отменить"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/src/locales/ru/users.json b/src/locales/ru/users.json
index cdbd41f..284546f 100644
--- a/src/locales/ru/users.json
+++ b/src/locales/ru/users.json
@@ -35,6 +35,12 @@
         "group": "Группа пользователя",
         "no-group": "Без группы"
       }
+    },
+    "delete": {
+      "delete-one": {
+        "title": "Удаление пользователя",
+        "message": "Вы уверены, что хотите удалить пользователя с ID {0}? Данное действие нельзя будет отменить"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/src/pages/users/components/AddGroup.vue b/src/pages/users/components/AddGroup.vue
index ea4b7db..174e6f6 100644
--- a/src/pages/users/components/AddGroup.vue
+++ b/src/pages/users/components/AddGroup.vue
@@ -120,7 +120,7 @@ const onConfirm = () => {
           variant="flat"
           color="primary"
           class="px-4"
-          :text="t('$vuetify.actions.confirm')"
+          :text="t('$vuetify.actions.apply')"
           :loading="$groups.loadingCreate"
           :disabled="!validForm"
           :class="{
diff --git a/src/pages/users/components/AddUser.vue b/src/pages/users/components/AddUser.vue
index 50e6442..77c388c 100644
--- a/src/pages/users/components/AddUser.vue
+++ b/src/pages/users/components/AddUser.vue
@@ -125,7 +125,7 @@ const onConfirm = () => {
           variant="flat"
           color="primary"
           class="px-4"
-          :text="t('$vuetify.actions.confirm')"
+          :text="t('$vuetify.actions.apply')"
           :loading="$groups.loadingCreate"
           :disabled="!validForm"
           :class="{
diff --git a/src/pages/users/components/GroupsTab.vue b/src/pages/users/components/GroupsTab.vue
index 8a081a7..1f3dae7 100644
--- a/src/pages/users/components/GroupsTab.vue
+++ b/src/pages/users/components/GroupsTab.vue
@@ -6,6 +6,7 @@ import { useGroupsStore } from '@/stores/groups';
 import { isDeleted, isModifiedDate } from '@/mixins/item-validation';
 import { Group } from '@/types/group';
 import Moment from '@/plugins/moment';
+import { useConfirmationStore } from '@/stores/confirmation';
 
 defineProps<{
   tableHeight: number;
@@ -14,6 +15,7 @@ defineProps<{
 const { t } = useLocale();
 
 const $groups = useGroupsStore();
+const $confirmation = useConfirmationStore();
 
 const headers: ComputedRef<any[]> = computed(() => [
   { title: t('$vuetify.groups.heads.id'), key: 'ID' },
@@ -35,6 +37,14 @@ const editGroup = (g: Group) => {
   $groups.openModal();
   $groups.startEditGroup(g);
 };
+const deleteGroup = (g: Group) => {
+  $confirmation.openModal();
+  $confirmation.setTitle(t('$vuetify.groups.delete.delete-one.title'));
+  $confirmation.setMessage(
+    t('$vuetify.groups.delete.delete-one.message', [g.ID]),
+  );
+  $confirmation.setOnConfirm(() => $groups.deleteGroup(g.ID));
+};
 
 // Status
 const calculateStatus = (group: Group) => {
@@ -152,6 +162,8 @@ watch(
         variant="text"
         density="comfortable"
         :disabled="isDeleted(item.deletedAt)"
+        :loading="$groups.loadingDeleteID === item.ID"
+        @click="deleteGroup(item)"
       >
         <span class="mso text-xl">close</span>
       </v-btn>
diff --git a/src/pages/users/components/UsersTab.vue b/src/pages/users/components/UsersTab.vue
index 12b8391..dadfba6 100644
--- a/src/pages/users/components/UsersTab.vue
+++ b/src/pages/users/components/UsersTab.vue
@@ -1,12 +1,5 @@
 <script setup lang="ts">
-import {
-  computed,
-  ref,
-  watch,
-  onBeforeMount,
-  type Ref,
-  type ComputedRef,
-} from 'vue';
+import { computed, watch, onBeforeMount, type ComputedRef } from 'vue';
 import { useLocale } from 'vuetify';
 import { ITEMS_PER_PAGE } from '@/constants/static';
 import { useUsersStore } from '@/stores/users';
@@ -14,6 +7,7 @@ import { UserActions } from '@/enums/user-actions.enum';
 import { User } from '@/types/user';
 import Moment from '@/plugins/moment';
 import { isDeleted, isModifiedDate } from '@/mixins/item-validation';
+import { useConfirmationStore } from '@/stores/confirmation';
 
 defineProps<{
   tableHeight: number;
@@ -22,6 +16,7 @@ defineProps<{
 const { t } = useLocale();
 
 const $users = useUsersStore();
+const $confirmation = useConfirmationStore();
 
 const headers: ComputedRef<any[]> = computed(() => [
   { title: t('$vuetify.users.heads.id'), key: 'ID' },
@@ -68,6 +63,14 @@ const editUser = (u: User) => {
   $users.openModal();
   $users.startEditUser(u);
 };
+const deleteUser = (u: User) => {
+  $confirmation.openModal();
+  $confirmation.setTitle(t('$vuetify.users.delete.delete-one.title'));
+  $confirmation.setMessage(
+    t('$vuetify.users.delete.delete-one.message', [u.ID]),
+  );
+  $confirmation.setOnConfirm(() => $users.deleteUser(u.ID));
+};
 
 // Status
 const calculateUserStatus = (user: User) => {
@@ -230,6 +233,8 @@ watch(
         variant="text"
         density="comfortable"
         :disabled="isDeleted(item.deletedAt)"
+        :loading="$users.loadingDeleteID === item.ID"
+        @click="deleteUser(item)"
       >
         <span class="mso text-xl">close</span>
       </v-btn>
diff --git a/src/stores/app.ts b/src/stores/app.ts
deleted file mode 100644
index 7429543..0000000
--- a/src/stores/app.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-// Utilities
-import { defineStore } from 'pinia'
-
-export const useAppStore = defineStore('app', {
-  state: () => ({
-    //
-  }),
-})
diff --git a/src/stores/confirmation.ts b/src/stores/confirmation.ts
new file mode 100644
index 0000000..b4a59dc
--- /dev/null
+++ b/src/stores/confirmation.ts
@@ -0,0 +1,48 @@
+import { defineStore } from 'pinia';
+
+export const useConfirmationStore = defineStore('confirmation', () => {
+  const show: Ref<boolean> = ref(false);
+  const title: Ref<string> = ref('');
+  const message: Ref<string> = ref('');
+
+  let onConfirm: Function = () => {};
+  let onDecline: Function = () => {};
+  const setOnConfirm = (f: Function) => (onConfirm = f);
+  const setOnDecline = (f: Function) => (onDecline = f);
+  const openModal = () => (show.value = true);
+  const closeModal = () => (show.value = false);
+  const setTitle = (t: string) => (title.value = t);
+  const setMessage = (m: string) => (message.value = m);
+
+  const setDefaults = () => {
+    show.value = false;
+    setTimeout(() => {
+      title.value = '';
+      message.value = '';
+      onConfirm = () => {};
+      onDecline = () => {};
+    }, 250);
+  };
+  const doConfirm = () => {
+    onConfirm();
+    setDefaults();
+  };
+  const doDecline = () => {
+    onDecline();
+    setDefaults();
+  };
+
+  return {
+    show,
+    title,
+    message,
+    setOnConfirm,
+    setOnDecline,
+    openModal,
+    closeModal,
+    setTitle,
+    setMessage,
+    doConfirm,
+    doDecline,
+  };
+});
diff --git a/src/stores/groups/actions.ts b/src/stores/groups/actions.ts
new file mode 100644
index 0000000..0d2037f
--- /dev/null
+++ b/src/stores/groups/actions.ts
@@ -0,0 +1,26 @@
+import api from '@/api';
+import { getAll } from './search';
+
+//
+// MARK: Delete group
+//
+const loadingDeleteID: Ref<number> = ref(0);
+const deleteGroup = async (ID: number) => {
+  if (loadingDeleteID.value || !ID) {
+    return;
+  }
+
+  setLoadingDelete(ID);
+
+  const [_, e] = await api.groups.delete(ID);
+  if (e && typeof e === 'string') {
+    // TODO notify error
+  } else {
+    getAll();
+  }
+
+  setLoadingDelete(0);
+};
+const setLoadingDelete = (ID: number) => (loadingDeleteID.value = ID);
+
+export { loadingDeleteID, deleteGroup };
diff --git a/src/stores/groups/index.ts b/src/stores/groups/index.ts
index 7924286..388893c 100644
--- a/src/stores/groups/index.ts
+++ b/src/stores/groups/index.ts
@@ -1,13 +1,16 @@
 import { defineStore } from 'pinia';
-import * as s from './search';
+import * as a from './actions';
 import * as m from './modal';
+import * as s from './search';
 
 export const useGroupsStore = defineStore('groups', () => {
-  const search = { ...s };
+  const actions = { ...a };
   const modal = { ...m };
+  const search = { ...s };
 
   return {
-    ...search,
+    ...actions,
     ...modal,
+    ...search,
   };
 });
diff --git a/src/stores/users/actions.ts b/src/stores/users/actions.ts
new file mode 100644
index 0000000..7e45081
--- /dev/null
+++ b/src/stores/users/actions.ts
@@ -0,0 +1,26 @@
+import api from '@/api';
+import { getAll } from './search';
+
+//
+// MARK: Delete user
+//
+const loadingDeleteID: Ref<number> = ref(0);
+const deleteUser = async (ID: number) => {
+  if (loadingDeleteID.value || !ID) {
+    return;
+  }
+
+  setLoadingDelete(ID);
+
+  const [_, e] = await api.users.delete(ID);
+  if (e && typeof e === 'string') {
+    // TODO notify error
+  } else {
+    getAll();
+  }
+
+  setLoadingDelete(0);
+};
+const setLoadingDelete = (ID: number) => (loadingDeleteID.value = ID);
+
+export { loadingDeleteID, deleteUser };
diff --git a/src/stores/users/index.ts b/src/stores/users/index.ts
index 65252b0..d0ad752 100644
--- a/src/stores/users/index.ts
+++ b/src/stores/users/index.ts
@@ -1,13 +1,16 @@
 import { defineStore } from 'pinia';
-import * as s from './search';
+import * as a from './actions';
 import * as m from './modal';
+import * as s from './search';
 
 export const useUsersStore = defineStore('users', () => {
-  const search = { ...s };
+  const actions = { ...a };
   const modal = { ...m };
+  const search = { ...s };
 
   return {
-    ...search,
+    ...actions,
     ...modal,
+    ...search,
   };
 });