diff --git a/components/lib/avatar/BaseAvatar.vue b/components/lib/avatar/BaseAvatar.vue
index c2775927a..23e3a136a 100644
--- a/components/lib/avatar/BaseAvatar.vue
+++ b/components/lib/avatar/BaseAvatar.vue
@@ -48,7 +48,7 @@ const classes = {
     icon: ({ props }) => ['p-avatar-icon', props.icon]
 };
 
-const { load: loadStyle } = useStyle(styles, { id: 'primevue_divider_style', manual: true });
+const { load: loadStyle } = useStyle(styles, { id: 'primevue_avatar_style', manual: true });
 
 export default {
     name: 'BaseAvatar',
diff --git a/components/lib/chip/BaseChip.vue b/components/lib/chip/BaseChip.vue
index 219e5aca4..a8697fb4c 100644
--- a/components/lib/chip/BaseChip.vue
+++ b/components/lib/chip/BaseChip.vue
@@ -38,10 +38,10 @@ const classes = {
     removeIcon: ({ props }) => ['p-chip-remove-icon', props.removeIcon]
 };
 
-const { load: loadStyle } = useStyle(styles, { id: 'primevue_divider_style', manual: true });
+const { load: loadStyle } = useStyle(styles, { id: 'primevue_chip_style', manual: true });
 
 export default {
-    name: 'BaseAvatar',
+    name: 'BaseChip',
     extends: BaseComponent,
     props: {
         label: {
diff --git a/components/lib/inplace/BaseInplace.vue b/components/lib/inplace/BaseInplace.vue
index 77642aad7..207e5b049 100644
--- a/components/lib/inplace/BaseInplace.vue
+++ b/components/lib/inplace/BaseInplace.vue
@@ -29,10 +29,10 @@ const classes = {
     closeButton: ({ props }) => props.closeIcon
 };
 
-const { load: loadStyle } = useStyle(styles, { id: 'primevue_divider_style', manual: true });
+const { load: loadStyle } = useStyle(styles, { id: 'primevue_inplace_style', manual: true });
 
 export default {
-    name: 'BaseAvatar',
+    name: 'BaseInplace',
     extends: BaseComponent,
     props: {
         closable: {
diff --git a/components/lib/scrolltop/BaseScrollTop.vue b/components/lib/scrolltop/BaseScrollTop.vue
new file mode 100644
index 000000000..ec4c18cd3
--- /dev/null
+++ b/components/lib/scrolltop/BaseScrollTop.vue
@@ -0,0 +1,80 @@
+<script>
+import BaseComponent from 'primevue/basecomponent';
+import { useStyle } from 'primevue/usestyle';
+
+const styles = `
+.p-scrolltop {
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.p-scrolltop-sticky {
+    position: sticky;
+}
+
+.p-scrolltop-sticky.p-link {
+    margin-left: auto;
+}
+
+.p-scrolltop-enter-from {
+    opacity: 0;
+}
+
+.p-scrolltop-enter-active {
+    transition: opacity 0.15s;
+}
+
+.p-scrolltop.p-scrolltop-leave-to {
+    opacity: 0;
+}
+
+.p-scrolltop-leave-active {
+    transition: opacity 0.15s;
+}
+`;
+
+const classes = {
+    root: ({ props }) => ['p-scrolltop p-link p-component', { 'p-scrolltop-sticky': props.target !== 'window' }],
+    icon: ({ props }) => ['p-scrolltop-icon', props.icon]
+};
+
+const { load: loadStyle } = useStyle(styles, { id: 'primevue_scrolltop_style', manual: true });
+
+export default {
+    name: 'BaseScrollTop',
+    extends: BaseComponent,
+    props: {
+        target: {
+            type: String,
+            default: 'window'
+        },
+        threshold: {
+            type: Number,
+            default: 400
+        },
+        icon: {
+            type: String,
+            default: undefined
+        },
+        behavior: {
+            type: String,
+            default: 'smooth'
+        }
+    },
+    css: {
+        classes
+    },
+    watch: {
+        isUnstyled: {
+            immediate: true,
+            handler(newValue) {
+                !newValue && loadStyle();
+            }
+        }
+    }
+};
+</script>
diff --git a/components/lib/scrolltop/ScrollTop.d.ts b/components/lib/scrolltop/ScrollTop.d.ts
index bc65e65d2..873753955 100644
--- a/components/lib/scrolltop/ScrollTop.d.ts
+++ b/components/lib/scrolltop/ScrollTop.d.ts
@@ -82,6 +82,11 @@ export interface ScrollTopProps {
      * @type {ScrollTopPassThroughOptions}
      */
     pt?: ScrollTopPassThroughOptions;
+    /**
+     * When enabled, it removes component related styles in the core.
+     * @defaultValue false
+     */
+    unstyled?: boolean;
 }
 
 /**
diff --git a/components/lib/scrolltop/ScrollTop.vue b/components/lib/scrolltop/ScrollTop.vue
index 3e12a1e7d..fee9fe101 100644
--- a/components/lib/scrolltop/ScrollTop.vue
+++ b/components/lib/scrolltop/ScrollTop.vue
@@ -1,41 +1,23 @@
 <template>
     <transition name="p-scrolltop" appear @enter="onEnter" @after-leave="onAfterLeave">
-        <button v-if="visible" :ref="containerRef" :class="containerClass" @click="onClick" type="button" :aria-label="scrollTopAriaLabel" v-bind="ptm('root')">
+        <button v-if="visible" :ref="containerRef" :class="cx('root')" @click="onClick" type="button" :aria-label="scrollTopAriaLabel" v-bind="ptm('root')">
             <slot name="icon">
-                <component :is="icon ? 'span' : 'ChevronUpIcon'" :class="['p-scrolltop-icon', icon]" v-bind="ptm('icon')" />
+                <component :is="icon ? 'span' : 'ChevronUpIcon'" :class="cx('icon')" v-bind="ptm('icon')" />
             </slot>
         </button>
     </transition>
 </template>
 
 <script>
-import BaseComponent from 'primevue/basecomponent';
+import BaseScrollTop from './BaseScrollTop.vue';
 import ChevronUpIcon from 'primevue/icons/chevronup';
 import { DomHandler, ZIndexUtils } from 'primevue/utils';
 
 export default {
     name: 'ScrollTop',
-    extends: BaseComponent,
+    extends: BaseScrollTop,
     scrollListener: null,
     container: null,
-    props: {
-        target: {
-            type: String,
-            default: 'window'
-        },
-        threshold: {
-            type: Number,
-            default: 400
-        },
-        icon: {
-            type: String,
-            default: undefined
-        },
-        behavior: {
-            type: String,
-            default: 'smooth'
-        }
-    },
     data() {
         return {
             visible: false
@@ -104,9 +86,6 @@ export default {
         }
     },
     computed: {
-        containerClass() {
-            return ['p-scrolltop p-link p-component', { 'p-scrolltop-sticky': this.target !== 'window' }];
-        },
         scrollTopAriaLabel() {
             return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.scrollTop : undefined;
         }
@@ -116,38 +95,3 @@ export default {
     }
 };
 </script>
-
-<style>
-.p-scrolltop {
-    position: fixed;
-    bottom: 20px;
-    right: 20px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-}
-
-.p-scrolltop-sticky {
-    position: sticky;
-}
-
-.p-scrolltop-sticky.p-link {
-    margin-left: auto;
-}
-
-.p-scrolltop-enter-from {
-    opacity: 0;
-}
-
-.p-scrolltop-enter-active {
-    transition: opacity 0.15s;
-}
-
-.p-scrolltop.p-scrolltop-leave-to {
-    opacity: 0;
-}
-
-.p-scrolltop-leave-active {
-    transition: opacity 0.15s;
-}
-</style>