diff --git a/drivers/base/core.c b/drivers/base/core.c
index a235085e343c47ca2b643f876c31ab70032359b5..27603a6c0a93ea63fc40f640c8b892fb5e0c618c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1685,8 +1685,6 @@ EXPORT_SYMBOL_GPL(device_destroy);
  */
 int device_rename(struct device *dev, const char *new_name)
 {
-	char *old_class_name = NULL;
-	char *new_class_name = NULL;
 	char *old_device_name = NULL;
 	int error;
 
@@ -1717,8 +1715,6 @@ int device_rename(struct device *dev, const char *new_name)
 out:
 	put_device(dev);
 
-	kfree(new_class_name);
-	kfree(old_class_name);
 	kfree(old_device_name);
 
 	return error;