diff --git a/package/libxcrypt/libxcrypt.mk b/package/libxcrypt/libxcrypt.mk
index fd33fb7ab5..3cf0555ac0 100644
--- a/package/libxcrypt/libxcrypt.mk
+++ b/package/libxcrypt/libxcrypt.mk
@@ -14,4 +14,7 @@ LIBXCRYPT_AUTORECONF = YES
 # Some warnings turn into errors with some sensitive compilers
 LIBXCRYPT_CONF_OPTS = --disable-werror
 
+# Disable obsolete and unsecure API
+LIBXCRYPT_CONF_OPTS += --disable-obsolete_api
+
 $(eval $(autotools-package))