diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 10dd695..27ec12c 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -118,11 +118,9 @@
 {
 	acpi_status status = AE_OK;
 	struct acpi_container *pc = NULL;
+
 	pc = (struct acpi_container *)acpi_driver_data(device);
-
-	if (pc)
-		kfree(pc);
-
+	kfree(pc);
 	return status;
 }
 
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c6db591..23e2c69 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -28,8 +28,7 @@
 static void acpi_device_release(struct kobject *kobj)
 {
 	struct acpi_device *dev = container_of(kobj, struct acpi_device, kobj);
-	if (dev->pnp.cid_list)
-		kfree(dev->pnp.cid_list);
+	kfree(dev->pnp.cid_list);
 	kfree(dev);
 }
 
@@ -1117,8 +1116,7 @@
 	if (!result)
 		*child = device;
 	else {
-		if (device->pnp.cid_list)
-			kfree(device->pnp.cid_list);
+		kfree(device->pnp.cid_list);
 		kfree(device);
 	}
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e383d61..f051b15 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -334,8 +334,7 @@
 	return_VALUE(0);
 
       err:
-	if (buffer.pointer)
-		kfree(buffer.pointer);
+	kfree(buffer.pointer);
 
 	return_VALUE(status);
 }
@@ -1488,8 +1487,7 @@
 	}
 	active_device_list[count].value.int_val = ACPI_VIDEO_HEAD_END;
 
-	if (video->attached_array)
-		kfree(video->attached_array);
+	kfree(video->attached_array);
 
 	video->attached_array = active_device_list;
 	video->attached_count = count;
@@ -1645,8 +1643,7 @@
 			printk(KERN_WARNING PREFIX
 			       "hhuuhhuu bug in acpi video driver.\n");
 
-		if (data->brightness)
-			kfree(data->brightness);
+		kfree(data->brightness);
 
 		kfree(data);
 	}
@@ -1831,8 +1828,7 @@
 	acpi_video_bus_put_devices(video);
 	acpi_video_bus_remove_fs(device);
 
-	if (video->attached_array)
-		kfree(video->attached_array);
+	kfree(video->attached_array);
 	kfree(video);
 
 	return_VALUE(0);