diff --git a/samples/hellojs-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java b/samples/hellojs-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
index 74fc1c03d9..6542457f7b 100644
--- a/samples/hellojs-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
+++ b/samples/hellojs-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
@@ -7,7 +7,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 
 @EnableWebSecurity
-public class SecurityConfig extends WebSecurityConfigurerAdapter {
+public class SecurityConfig {
 
     @Autowired
     public void registerGlobalAuthentication(
diff --git a/samples/inmemory-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java b/samples/inmemory-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
index 6141ccf13c..1910d0b476 100644
--- a/samples/inmemory-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
+++ b/samples/inmemory-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
@@ -7,7 +7,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 
 @EnableWebSecurity
-public class SecurityConfig extends WebSecurityConfigurerAdapter {
+public class SecurityConfig {
 
     @Autowired
     public void registerGlobalAuthentication(
diff --git a/samples/jdbc-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java b/samples/jdbc-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
index 7176fee2e2..3802d25ea8 100644
--- a/samples/jdbc-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
+++ b/samples/jdbc-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
@@ -10,7 +10,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 
 @EnableWebSecurity
-public class SecurityConfig extends WebSecurityConfigurerAdapter {
+public class SecurityConfig {
     @Autowired
     private DataSource dataSource;
 
diff --git a/samples/ldap-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java b/samples/ldap-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
index 2ea6826c4c..d1a0484351 100644
--- a/samples/ldap-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
+++ b/samples/ldap-jc/src/main/java/org/springframework/security/samples/config/SecurityConfig.java
@@ -7,7 +7,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 
 @EnableWebSecurity
-public class SecurityConfig extends WebSecurityConfigurerAdapter {
+public class SecurityConfig {
     @Autowired
     public void registerGlobalAuthentication(
             AuthenticationManagerBuilder auth) throws Exception {