diff --git a/src/main/java/com/example/testspring/demos/modules/common/entity/UserDetails.java b/src/main/java/com/example/testspring/demos/modules/common/entity/UserDetails.java
deleted file mode 100644
index 21741e7..0000000
--- a/src/main/java/com/example/testspring/demos/modules/common/entity/UserDetails.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.example.testspring.demos.modules.common.entity;
-
-import org.springframework.security.core.GrantedAuthority;
-
-import java.io.Serializable;
-import java.util.Collection;
-
-public interface UserDetails extends Serializable {
-    Collection<? extends GrantedAuthority> getAuthorities();
-
-    String getPassword();
-
-    String getUsername();
-
-    boolean isAccountNonExpired();
-
-    boolean isAccountNonLocked();
-
-    boolean isCredentialsNonExpired();
-
-    boolean isEnabled();
-}