diff --git a/quartz-manager-parent/quartz-manager-starter-api/pom.xml b/quartz-manager-parent/quartz-manager-starter-api/pom.xml
index d01ed40..cfbb4b1 100644
--- a/quartz-manager-parent/quartz-manager-starter-api/pom.xml
+++ b/quartz-manager-parent/quartz-manager-starter-api/pom.xml
@@ -106,6 +106,10 @@
       <artifactId>reflections</artifactId>
       <version>0.10.2</version>
     </dependency>
+    <dependency>
+      <groupId>org.yaml</groupId>
+      <artifactId>snakeyaml</artifactId>
+    </dependency>
 
     <!-- QUARTZ -->
     <dependency>
@@ -118,34 +122,6 @@
       <version>1.3.2</version>
     </dependency>
 
-    <!-- Reactor -->
-<!--    <dependency>-->
-<!--      <groupId>io.projectreactor</groupId>-->
-<!--      <artifactId>reactor-core</artifactId>-->
-<!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>io.projectreactor</groupId>-->
-<!--      <artifactId>reactor-net</artifactId>-->
-<!--      <version>2.0.8.RELEASE</version>-->
-<!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>io.projectreactor.spring</groupId>-->
-<!--      <artifactId>reactor-spring-context</artifactId>-->
-<!--      <version>2.0.7.RELEASE</version>-->
-<!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>io.netty</groupId>-->
-<!--      <artifactId>netty-all</artifactId>-->
-<!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>org.springframework.boot</groupId>-->
-<!--      <artifactId>spring-boot-starter-aop</artifactId>-->
-<!--    </dependency>-->
-    <dependency>
-      <groupId>org.yaml</groupId>
-      <artifactId>snakeyaml</artifactId>
-    </dependency>
-
     <!-- OAS -->
     <dependency>
       <groupId>org.springdoc</groupId>
diff --git a/quartz-manager-parent/quartz-manager-starter-api/src/main/java/it/fabioformosa/quartzmanager/api/converters/JobKeyToJobDetailDTO.java b/quartz-manager-parent/quartz-manager-starter-api/src/main/java/it/fabioformosa/quartzmanager/api/converters/JobKeyToJobDetailDTO.java
index bcabadc..a09f8da 100644
--- a/quartz-manager-parent/quartz-manager-starter-api/src/main/java/it/fabioformosa/quartzmanager/api/converters/JobKeyToJobDetailDTO.java
+++ b/quartz-manager-parent/quartz-manager-starter-api/src/main/java/it/fabioformosa/quartzmanager/api/converters/JobKeyToJobDetailDTO.java
@@ -23,6 +23,5 @@ public class JobKeyToJobDetailDTO extends AbstractBaseConverterToDTO<JobKey, Job
     JobDetail jobDetail = scheduler.getJobDetail(jobKey);
     jobDetailDTO.setJobClassName(jobDetail.getJobClass().getName());
     jobDetailDTO.setDescription(jobDetail.getDescription());
-    //jobDetail.getJobDataMap();
   }
 }
diff --git a/quartz-manager-parent/quartz-manager-starter-security/src/main/java/it/fabioformosa/quartzmanager/api/security/controllers/UserController.java b/quartz-manager-parent/quartz-manager-starter-security/src/main/java/it/fabioformosa/quartzmanager/api/security/controllers/UserController.java
index 1b4e97f..995e00a 100644
--- a/quartz-manager-parent/quartz-manager-starter-security/src/main/java/it/fabioformosa/quartzmanager/api/security/controllers/UserController.java
+++ b/quartz-manager-parent/quartz-manager-starter-security/src/main/java/it/fabioformosa/quartzmanager/api/security/controllers/UserController.java
@@ -26,7 +26,7 @@ public class UserController {
     SecurityContext context = SecurityContextHolder.getContext();
     if (context != null && context.getAuthentication() != null)
       return new ResponseEntity<>(context.getAuthentication().getPrincipal(), HttpStatus.OK);
-    return new ResponseEntity<>(null, HttpStatus.NOT_FOUND);
+    return new ResponseEntity<>(HttpStatus.NOT_FOUND);
   }
 
 }
diff --git a/quartz-manager-parent/quartz-manager-starter-security/src/test/java/it/fabioformosa/quartzmanager/api/security/SecurityControllerTest.java b/quartz-manager-parent/quartz-manager-starter-security/src/test/java/it/fabioformosa/quartzmanager/api/security/SecurityControllerTest.java
index c6caf93..c2d88d4 100644
--- a/quartz-manager-parent/quartz-manager-starter-security/src/test/java/it/fabioformosa/quartzmanager/api/security/SecurityControllerTest.java
+++ b/quartz-manager-parent/quartz-manager-starter-security/src/test/java/it/fabioformosa/quartzmanager/api/security/SecurityControllerTest.java
@@ -31,7 +31,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
   "quartz-manager.security.accounts.in-memory.users[0].password=bar",
   "quartz-manager.security.accounts.in-memory.users[0].roles[0]=admin",
 })
-public class SecurityControllerTest {
+class SecurityControllerTest {
 
   @Autowired
   private MockMvc mockMvc;
diff --git a/quartz-manager-parent/quartz-manager-web-showcase/src/test/java/it/fabioformosa/QuartManagerApplicationTests.java b/quartz-manager-parent/quartz-manager-web-showcase/src/test/java/it/fabioformosa/QuartManagerApplicationTests.java
index 60afb24..02a6f98 100644
--- a/quartz-manager-parent/quartz-manager-web-showcase/src/test/java/it/fabioformosa/QuartManagerApplicationTests.java
+++ b/quartz-manager-parent/quartz-manager-web-showcase/src/test/java/it/fabioformosa/QuartManagerApplicationTests.java
@@ -6,10 +6,10 @@ import org.springframework.test.context.web.WebAppConfiguration;
 
 @SpringBootTest(classes = QuartManagerDemoApplication.class)
 @WebAppConfiguration
-public class QuartManagerApplicationTests {
+class QuartManagerApplicationTests {
 
     @Test
-    public void contextLoads() {
+    void contextLoads() {
     }
 
 }