diff --git a/builtins/unset.c b/builtins/unset.c
new file mode 100644
index 0000000..1de43be
--- /dev/null
+++ b/builtins/unset.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   unset.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/02/22 13:28:27 by erey-bet          #+#    #+#             */
+/*   Updated: 2023/02/22 13:37:27 by erey-bet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int	unset(t_list **env, char **args, int fd)
+{
+	while (args++)
+		delete_by_key(*args, env);
+	return (0);
+}
diff --git a/env3.c b/env3.c
index 42b357e..bca6060 100644
--- a/env3.c
+++ b/env3.c
@@ -6,7 +6,7 @@
 /*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/17 17:25:09 by erey-bet          #+#    #+#             */
-/*   Updated: 2023/02/22 01:41:04 by erey-bet         ###   ########.fr       */
+/*   Updated: 2023/02/22 13:28:51 by erey-bet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -76,9 +76,10 @@ int	delete_by_key(char *key, t_list **head)
 				last->next = current->next;
 			else
 				*head = current->next;
+			return (1);
 		}
 		last = current;
 		current = current->next;
 	}
-	return (1);
+	return (0);
 }