diff --git a/components/lib/menubar/BaseMenubar.vue b/components/lib/menubar/BaseMenubar.vue
index 59ef278e6..812516254 100644
--- a/components/lib/menubar/BaseMenubar.vue
+++ b/components/lib/menubar/BaseMenubar.vue
@@ -92,7 +92,6 @@ const classes = {
     menu: 'p-menubar-root-list',
     menuitem: ({ context, processedItem }) => [
         'p-menuitem',
-        context.getItemProp(processedItem, 'class'),
         {
             'p-menuitem-active p-highlight': context.isItemActive(processedItem),
             'p-focus': context.isItemFocused(processedItem),
@@ -107,11 +106,11 @@ const classes = {
             'router-link-active-exact': context.exact && isExactActive
         }
     ],
-    icon: ({ context, processedItem }) => ['p-menuitem-icon', context.getItemProp(processedItem, 'icon')],
+    icon: 'p-menuitem-icon',
     label: 'p-menuitem-text',
     submenuIcon: 'p-submenu-icon',
     submenu: 'p-submenu-list',
-    separator: ({ context, processedItem }) => ['p-menuitem-separator', context.getItemProp(processedItem, 'class')],
+    separator: 'p-menuitem-separator',
     end: 'p-menubar-end'
 };
 
diff --git a/components/lib/menubar/MenubarSub.vue b/components/lib/menubar/MenubarSub.vue
index ae9e3cc41..526c5dafd 100755
--- a/components/lib/menubar/MenubarSub.vue
+++ b/components/lib/menubar/MenubarSub.vue
@@ -5,7 +5,7 @@
                 v-if="isItemVisible(processedItem) && !getItemProp(processedItem, 'separator')"
                 :id="getItemId(processedItem)"
                 :style="getItemProp(processedItem, 'style')"
-                :class="getCXOptions('menuitem', { processedItem })"
+                :class="[getCXOptions('menuitem', { processedItem }), getItemProp(processedItem, 'class')]"
                 role="menuitem"
                 :aria-label="getItemLabel(processedItem)"
                 :aria-disabled="isItemDisabled(processedItem) || undefined"
@@ -23,14 +23,14 @@
                     <template v-if="!templates.item">
                         <router-link v-if="getItemProp(processedItem, 'to') && !isItemDisabled(processedItem)" v-slot="{ navigate, href, isActive, isExactActive }" :to="getItemProp(processedItem, 'to')" custom>
                             <a v-ripple :href="href" :class="getCXOptions('action', { isActive, isExactActive })" tabindex="-1" aria-hidden="true" @click="onItemActionClick($event, navigate)" v-bind="getPTOptions(processedItem, 'action')">
-                                <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getCXOptions('icon', { processedItem })" />
-                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="getCXOptions('icon', { processedItem })" v-bind="getPTOptions(processedItem, 'icon')" />
+                                <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="[getCXOptions('icon'), getItemProp(processedItem, 'icon')]" />
+                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="[getCXOptions('icon'), getItemProp(processedItem, 'icon')]" v-bind="getPTOptions(processedItem, 'icon')" />
                                 <span :class="getCXOptions('label')" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
                             </a>
                         </router-link>
                         <a v-else v-ripple :href="getItemProp(processedItem, 'url')" :class="getCXOptions('action')" :target="getItemProp(processedItem, 'target')" tabindex="-1" aria-hidden="true" v-bind="getPTOptions(processedItem, 'action')">
-                            <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getCXOptions('icon', { processedItem })" />
-                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="getCXOptions('icon', { processedItem })" v-bind="getPTOptions(processedItem, 'icon')" />
+                            <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="[getCXOptions('icon'), getItemProp(processedItem, 'icon')]" />
+                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="[getCXOptions('icon'), getItemProp(processedItem, 'icon')]" v-bind="getPTOptions(processedItem, 'icon')" />
                             <span :class="getCXOptions('label')" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
                             <template v-if="getItemProp(processedItem, 'items')">
                                 <component v-if="templates.submenuicon" :is="templates.submenuicon" :root="root" :active="isItemActive(processedItem)" :class="getCXOptions('submenuIcon')" />
@@ -60,8 +60,8 @@
             <li
                 v-if="isItemVisible(processedItem) && getItemProp(processedItem, 'separator')"
                 :id="getItemId(processedItem)"
+                :class="[getCXOptions('separator'), getItemProp(processedItem, 'class')]"
                 :style="getItemProp(processedItem, 'style')"
-                :class="getCXOptions('separator', { processedItem })"
                 role="separator"
                 v-bind="ptm('separator')"
             ></li>
diff --git a/components/lib/tieredmenu/BaseTieredMenu.vue b/components/lib/tieredmenu/BaseTieredMenu.vue
index 8757cd979..c5a775491 100644
--- a/components/lib/tieredmenu/BaseTieredMenu.vue
+++ b/components/lib/tieredmenu/BaseTieredMenu.vue
@@ -77,7 +77,8 @@ const classes = {
     icon: 'p-menuitem-icon',
     text: 'p-menuitem-text',
     submenuIcon: 'p-submenu-icon',
-    submenu: 'p-submenu-list'
+    submenu: 'p-submenu-list',
+    separator: 'p-menuitem-separator'
 };
 
 const { load: loadStyle, unload: unloadStyle } = useStyle(styles, { id: 'primevue_tieredmenu_style', manual: true });
diff --git a/components/lib/tieredmenu/TieredMenuSub.vue b/components/lib/tieredmenu/TieredMenuSub.vue
index 68e1ca6d4..ff877f392 100755
--- a/components/lib/tieredmenu/TieredMenuSub.vue
+++ b/components/lib/tieredmenu/TieredMenuSub.vue
@@ -61,7 +61,7 @@
                 v-if="isItemVisible(processedItem) && getItemProp(processedItem, 'separator')"
                 :id="getItemId(processedItem)"
                 :style="getItemProp(processedItem, 'style')"
-                :class="getSeparatorItemClass(processedItem)"
+                :class="[getCXOptions('separator'), getItemProp(processedItem, 'class')]"
                 role="separator"
                 v-bind="ptm('separator')"
             ></li>
@@ -176,9 +176,6 @@ export default {
         },
         getAriaPosInset(index) {
             return index - this.items.slice(0, index).filter((processedItem) => this.isItemVisible(processedItem) && this.getItemProp(processedItem, 'separator')).length + 1;
-        },
-        getSeparatorItemClass(processedItem) {
-            return ['p-menuitem-separator', this.getItemProp(processedItem, 'class')];
         }
     },
     components: {