diff --git a/security/keys/encrypted-keys/ecryptfs_format.c b/security/keys/encrypted-keys/ecryptfs_format.c
index 6daa3b6ff9ed..efac03047919 100644
--- a/security/keys/encrypted-keys/ecryptfs_format.c
+++ b/security/keys/encrypted-keys/ecryptfs_format.c
@@ -15,7 +15,8 @@
  * the Free Software Foundation, version 2 of the License.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
+#include <linux/string.h>
 #include "ecryptfs_format.h"
 
 u8 *ecryptfs_get_auth_tok_key(struct ecryptfs_auth_tok *auth_tok)
@@ -77,5 +78,3 @@ int ecryptfs_fill_auth_tok(struct ecryptfs_auth_tok *auth_tok,
 	return 0;
 }
 EXPORT_SYMBOL(ecryptfs_fill_auth_tok);
-
-MODULE_LICENSE("GPL");