diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index a63b563b1a8a001dc996d7181dbcf6e72ce0dafe..eb9ab1ae37199b1c0b07a5956eddd4e8b57820bd 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -999,7 +999,7 @@ static int nvm_core_init(struct nvm_dev *dev)
 	return ret;
 }
 
-void nvm_free(struct nvm_dev *dev)
+static void nvm_free(struct nvm_dev *dev)
 {
 	if (!dev)
 		return;