diff --git a/Chapter 12/password checker b/Chapter 12/password checker
deleted file mode 100644
index 0d0fa3d..0000000
--- a/Chapter 12/password checker	
+++ /dev/null
@@ -1,33 +0,0 @@
-const allowed = ["1234", "pass", "apple"];
-
-function passwordChecker(pass) {
-    return allowed.includes(pass);
-}
-
-function login(password) {
-    return new Promise((resolve, reject) => {
-        if (passwordChecker(password)) {
-            resolve({
-                status: true
-            })
-        } else {
-            reject({
-                status: false
-            })
-        }
-    })
-}
-
-function checker(pass) {
-    login(pass)
-        .then(token => {
-            console.log('Approve:');
-            console.log(token)
-        })
-        .catch(value => {
-            console.log('Reject:');
-            console.log(value)
-        })
-}
-checker('1234');
-checker('wrong');