diff --git a/packages/primevue/src/scrolltop/ScrollTop.d.ts b/packages/primevue/src/scrolltop/ScrollTop.d.ts
index 4c94a512e..39ef8dea8 100644
--- a/packages/primevue/src/scrolltop/ScrollTop.d.ts
+++ b/packages/primevue/src/scrolltop/ScrollTop.d.ts
@@ -67,15 +67,10 @@ export interface ScrollTopSharedPassThroughMethodOptions {
  */
 export interface ScrollTopPassThroughOptions {
     /**
-     * Used to pass attributes to the previous button's DOM element.
+     * Used to pass attributes to the root's DOM element.
      * @see {@link ButtonPassThroughOptions}
      */
     root?: ButtonPassThroughOptions<ScrollTopSharedPassThroughMethodOptions>;
-    /**
-     * Used to pass attributes to the previous button's DOM element.
-     * @see {@link ButtonPassThroughOptions}
-     */
-    button?: ButtonPassThroughOptions<ScrollTopSharedPassThroughMethodOptions>;
     /**
      * Used to manage all lifecycle hooks.
      * @see {@link BaseComponent.ComponentHooks}
diff --git a/packages/primevue/src/scrolltop/ScrollTop.vue b/packages/primevue/src/scrolltop/ScrollTop.vue
index 8c2419f30..f13202988 100644
--- a/packages/primevue/src/scrolltop/ScrollTop.vue
+++ b/packages/primevue/src/scrolltop/ScrollTop.vue
@@ -1,9 +1,9 @@
 <template>
     <transition name="p-scrolltop" appear @enter="onEnter" @after-leave="onAfterLeave" v-bind="ptm('transition')">
-        <Button v-if="visible" :ref="containerRef" :class="cx('root')" @click="onClick" :aria-label="scrollTopAriaLabel" :unstyled="unstyled" v-bind="buttonProps" :pt="rootPTOptions()">
+        <Button v-if="visible" :ref="containerRef" :class="cx('root')" @click="onClick" :aria-label="scrollTopAriaLabel" :unstyled="unstyled" v-bind="buttonProps" :pt="pt">
             <template #icon="slotProps">
                 <slot name="icon" :class="cx('icon')">
-                    <component :is="icon ? 'span' : 'ChevronUpIcon'" :class="[cx('icon'), icon, slotProps.class]" v-bind="iconPTOptions" />
+                    <component :is="icon ? 'span' : 'ChevronUpIcon'" :class="[cx('icon'), icon, slotProps.class]" v-bind="ptmi('root')['icon']" />
                 </slot>
             </template>
         </Button>
@@ -15,7 +15,6 @@ import { getWindowScrollTop } from '@primeuix/utils/dom';
 import { ZIndex } from '@primeuix/utils/zindex';
 import ChevronUpIcon from '@primevue/icons/chevronup';
 import Button from 'primevue/button';
-import { mergeProps } from 'vue';
 import BaseScrollTop from './BaseScrollTop.vue';
 
 export default {
@@ -89,12 +88,6 @@ export default {
         },
         containerRef(el) {
             this.container = el ? el.$el : undefined;
-        },
-        rootPTOptions() {
-            return mergeProps(this.ptmi('root'), this.ptm('button'));
-        },
-        iconPTOptions() {
-            return mergeProps(this.ptmi('root')['icon'], this.ptm('button')['icon']);
         }
     },
     computed: {