diff --git a/src/drivers/mediatek/mt8186/afe-drv.c b/src/drivers/mediatek/mt8186/afe-drv.c
index 00b02ecb4..4ac56c19c 100644
--- a/src/drivers/mediatek/mt8186/afe-drv.c
+++ b/src/drivers/mediatek/mt8186/afe-drv.c
@@ -394,17 +394,17 @@ err_alloc_memif:
 	return -ENOMEM;
 }
 
-int afe_remove(struct mtk_base_afe *afe)
+void afe_remove(struct mtk_base_afe *afe)
 {
 	afe->ref_count--;
 
 	if (afe->ref_count > 0)
-		return 0;
+		return;
 
 	if (afe->ref_count < 0) {
 		afe->ref_count = 0;
 		tr_dbg(&afedrv_tr, "afe ref_count < 0, :%d\n", afe->ref_count);
-		return 0;
+		return;
 	}
 
 	rfree(afe->memif);
@@ -415,6 +415,5 @@ int afe_remove(struct mtk_base_afe *afe)
 
 	rfree(afe->irqs);
 	afe->irqs = NULL;
-
-	return 0;
 }
+
diff --git a/src/drivers/mediatek/mt8195/afe-drv.c b/src/drivers/mediatek/mt8195/afe-drv.c
index 01632bcdc..90e7e94a1 100644
--- a/src/drivers/mediatek/mt8195/afe-drv.c
+++ b/src/drivers/mediatek/mt8195/afe-drv.c
@@ -388,17 +388,17 @@ err_alloc_memif:
 	return -ENOMEM;
 }
 
-int afe_remove(struct mtk_base_afe *afe)
+void afe_remove(struct mtk_base_afe *afe)
 {
 	afe->ref_count--;
 
 	if (afe->ref_count > 0)
-		return 0;
+		return;
 
 	if (afe->ref_count < 0) {
 		afe->ref_count = 0;
 		tr_dbg(&afedrv_tr, "afe ref_count < 0, :%d\n", afe->ref_count);
-		return 0;
+		return;
 	}
 
 	rfree(afe->memif);
@@ -410,5 +410,5 @@ int afe_remove(struct mtk_base_afe *afe)
 	rfree(afe->irqs);
 	afe->irqs = NULL;
 
-	return 0;
 }
+
diff --git a/src/include/sof/drivers/afe-drv.h b/src/include/sof/drivers/afe-drv.h
index f0825a363..148dc6b80 100644
--- a/src/include/sof/drivers/afe-drv.h
+++ b/src/include/sof/drivers/afe-drv.h
@@ -141,7 +141,7 @@ extern struct mtk_base_afe_platform mtk_afe_platform;
 
 struct mtk_base_afe *afe_get(void);
 int afe_probe(struct mtk_base_afe *afe);
-int afe_remove(struct mtk_base_afe *afe);
+void afe_remove(struct mtk_base_afe *afe);
 
 /* dai operation */
 int afe_dai_get_config(struct mtk_base_afe *afe, int id, unsigned int *channel, unsigned int *rate,