diff --git a/cryptfs.h b/cryptfs.h
index 767270f..bf4b405 100644
--- a/cryptfs.h
+++ b/cryptfs.h
@@ -231,9 +231,9 @@
 int cryptfs_check_passwd(const char* pw);
 int cryptfs_verify_passwd(const char* pw);
 int cryptfs_restart(void);
-int cryptfs_enable(const char* flag, int type, const char* passwd, int no_ui);
+int cryptfs_enable(int type, const char* passwd, int no_ui);
 int cryptfs_changepw(int type, const char* newpw);
-int cryptfs_enable_default(const char* flag, int no_ui);
+int cryptfs_enable_default(int no_ui);
 int cryptfs_setup_ext_volume(const char* label, const char* real_blkdev, const unsigned char* key,
                              int keysize, char* out_crypto_blkdev);
 int cryptfs_revert_ext_volume(const char* label);