diff --git a/model/misc/light/driver/src/light_driver.c b/model/misc/light/driver/src/light_driver.c
index 2c2360b4..832a49b6 100644
--- a/model/misc/light/driver/src/light_driver.c
+++ b/model/misc/light/driver/src/light_driver.c
@@ -477,7 +477,7 @@ void ReleaseLightDriver(struct HdfDeviceObject *device)
     HdfWorkDestroy(&drvData->work);
     HdfWorkQueueDestroy(&drvData->workQueue);
     (void)OsalMutexDestroy(&drvData->mutex);
-    (void)OsalMemFree(drvData);
+    OsalMemFree(drvData);
     g_lightDrvData = NULL;
 }
 
diff --git a/model/misc/vibrator/driver/src/vibrator_driver.c b/model/misc/vibrator/driver/src/vibrator_driver.c
index ebf4de34..6685b8d3 100644
--- a/model/misc/vibrator/driver/src/vibrator_driver.c
+++ b/model/misc/vibrator/driver/src/vibrator_driver.c
@@ -306,7 +306,7 @@ void ReleaseVibratorDriver(struct HdfDeviceObject *device)
 
     (void)DestroyVibratorHaptic();
     (void)OsalMutexDestroy(&drvData->mutex);
-    (void)OsalMemFree(drvData);
+    OsalMemFree(drvData);
     g_vibratorDrvData = NULL;
 }