diff --git a/components/lib/splitbutton/SplitButton.d.ts b/components/lib/splitbutton/SplitButton.d.ts
index 4297b40db..9b7482387 100755
--- a/components/lib/splitbutton/SplitButton.d.ts
+++ b/components/lib/splitbutton/SplitButton.d.ts
@@ -36,10 +36,6 @@ export interface SplitButtonPassThroughOptions {
      * Uses to pass attributes to the button's DOM element.
      */
     button?: SplitButtonPassThroughOptionType;
-    /**
-     * Uses to pass attributes to the icon's DOM element.
-     */
-    icon?: SplitButtonPassThroughOptionType;
     /**
      * Uses to pass attributes to the Button component.
      * @see {@link ButtonPassThroughOptions}
diff --git a/components/lib/splitbutton/SplitButton.vue b/components/lib/splitbutton/SplitButton.vue
index ecbac443f..56dc1438f 100755
--- a/components/lib/splitbutton/SplitButton.vue
+++ b/components/lib/splitbutton/SplitButton.vue
@@ -1,10 +1,10 @@
 <template>
     <div :class="containerClass" :style="style" v-bind="ptm('root')">
         <slot>
-            <PVSButton type="button" class="p-splitbutton-defaultbutton" :label="label" :disabled="disabled" :aria-label="label" @click="onDefaultButtonClick" v-bind="{ ...buttonProps, ...ptm('button') }">
+            <PVSButton type="button" class="p-splitbutton-defaultbutton" :label="label" :disabled="disabled" :aria-label="label" @click="onDefaultButtonClick" :pt="ptm('button')" v-bind="buttonProps">
                 <template #icon="slotProps">
                     <slot name="icon">
-                        <span :class="[icon, slotProps.class]" v-bind="ptm('icon')" />
+                        <span :class="[icon, slotProps.class]" v-bind="ptm('button')['icon']" />
                     </slot>
                 </template>
             </PVSButton>