diff --git a/modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingGenerator.java b/modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingGenerator.java
index 30927307e96..86f306a790b 100644
--- a/modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingGenerator.java
+++ b/modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingGenerator.java
@@ -24,7 +24,7 @@ package org.openapitools.codegen.api;
  *
  * @deprecated as of 5.0, replaced by {@link TemplatingExecutor}.
  */
-@Deprecated()
+@Deprecated
 public interface TemplatingGenerator extends TemplatingExecutor {
 
 }
diff --git a/modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/configuration/HomeController.java b/modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/configuration/HomeController.java
index 4d38f5aa116..e1e10377ca6 100644
--- a/modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/configuration/HomeController.java
+++ b/modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/configuration/HomeController.java
@@ -25,7 +25,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
  */
 @Controller
 public class HomeController {
-    @RequestMapping(value = "/")
+    @RequestMapping("/")
     public String index() {
         return "redirect:index.html";
     }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpFunctionsServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpFunctionsServerCodegen.java
index 9d30ab7434d..4d732dbea8c 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpFunctionsServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpFunctionsServerCodegen.java
@@ -155,7 +155,7 @@ public class FsharpFunctionsServerCodegen extends AbstractFSharpCodegen {
         return outputFolder + File.separator + sourceFolder + File.separator + "impl";
     }
 
-    @Override()
+    @Override
     public String toModelImport(String name) {
         return packageName + "." + modelPackage() + "." + name;
     }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpGiraffeServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpGiraffeServerCodegen.java
index 9985f428bff..d8d4f7fa3df 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpGiraffeServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FsharpGiraffeServerCodegen.java
@@ -229,7 +229,7 @@ public class FsharpGiraffeServerCodegen extends AbstractFSharpCodegen {
         return outputFolder + File.separator + sourceFolder + File.separator + "impl";
     }
 
-    @Override()
+    @Override
     public String toModelImport(String name) {
         return packageName + "." + modelPackage() + "." + name;
     }
diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/jaxrs/JavaJAXRSCXFExtServerCodegenTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/jaxrs/JavaJAXRSCXFExtServerCodegenTest.java
index 03b472b2212..0c040954612 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/jaxrs/JavaJAXRSCXFExtServerCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/jaxrs/JavaJAXRSCXFExtServerCodegenTest.java
@@ -368,7 +368,7 @@ public class JavaJAXRSCXFExtServerCodegenTest extends JavaJaxrsBaseTest {
         assertEquals(testerCodegen.getTestDataControlFile(), new File(curdir, "my/test-data-control.json"));
     }
 
-    @Test()
+    @Test
     public void testGenerateOperationBodyWithCodedTestData() throws Exception {
         File output = Files.createTempDirectory("test").toFile().getCanonicalFile();
         output.deleteOnExit();
@@ -412,7 +412,7 @@ public class JavaJAXRSCXFExtServerCodegenTest extends JavaJaxrsBaseTest {
         checkFile(Paths.get(outputPath + "/test-data-control.json"), false);
     }
 
-    @Test()
+    @Test
     public void testGenerateOperationBodyWithJsonTestData() throws Exception {
         File output = Files.createTempDirectory("test").toFile().getCanonicalFile();
         output.deleteOnExit();