diff --git a/plugins/gradle/graphql-java-codegen-gradle-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/gradle/GraphQLCodegenGradleTask.java b/plugins/gradle/graphql-java-codegen-gradle-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/gradle/GraphQLCodegenGradleTask.java
index e4b828cd4d677b94f6cd07d9c6b1fc7a2b24e014..4870d5d6137bf9ba16e4e1154467f217ed9199fd 100644
--- a/plugins/gradle/graphql-java-codegen-gradle-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/gradle/GraphQLCodegenGradleTask.java
+++ b/plugins/gradle/graphql-java-codegen-gradle-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/gradle/GraphQLCodegenGradleTask.java
@@ -80,6 +80,7 @@ public class GraphQLCodegenGradleTask extends DefaultTask implements GraphQLCode
     private Boolean generateModelsForRootTypes = MappingConfigConstants.DEFAULT_GENERATE_MODELS_FOR_ROOT_TYPES;
     private Boolean useOptionalForNullableReturnTypes = MappingConfigConstants.DEFAULT_USE_OPTIONAL_FOR_NULLABLE_RETURN_TYPES;
     private Boolean generateApisWithThrowsException = MappingConfigConstants.DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION;
+    private Boolean addGeneratedAnnotation = MappingConfigConstants.DEFAULT_ADD_GENERATED_ANNOTATION;
     private Set<String> fieldsWithResolvers = new HashSet<>();
     private Set<String> fieldsWithoutResolvers = new HashSet<>();
     private RelayConfig relayConfig = new RelayConfig();
@@ -128,6 +129,7 @@ public class GraphQLCodegenGradleTask extends DefaultTask implements GraphQLCode
         mappingConfig.setGenerateToString(generateToString);
         mappingConfig.setUseOptionalForNullableReturnTypes(useOptionalForNullableReturnTypes);
         mappingConfig.setGenerateApisWithThrowsException(generateApisWithThrowsException);
+        mappingConfig.setAddGeneratedAnnotation(addGeneratedAnnotation);
         mappingConfig.setApiReturnType(apiReturnType);
         mappingConfig.setApiReturnListType(apiReturnListType);
         mappingConfig.setSubscriptionReturnType(subscriptionReturnType);
@@ -584,6 +586,17 @@ public class GraphQLCodegenGradleTask extends DefaultTask implements GraphQLCode
         this.generateApisWithThrowsException = generateApisWithThrowsException;
     }
 
+    @Input
+    @Optional
+    @Override
+    public Boolean getAddGeneratedAnnotation() {
+        return addGeneratedAnnotation;
+    }
+
+    public void setAddGeneratedAnnotation(Boolean addGeneratedAnnotation) {
+        this.addGeneratedAnnotation = addGeneratedAnnotation;
+    }
+
     @Input
     @Optional
     @Override
diff --git a/plugins/maven/graphql-java-codegen-maven-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/GraphQLCodegenMojo.java b/plugins/maven/graphql-java-codegen-maven-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/GraphQLCodegenMojo.java
index 1b9973244e79d83cc39efe339d9e75c3076e3778..be3354f3617359914f3c39bc79ca84ad77f95ee1 100644
--- a/plugins/maven/graphql-java-codegen-maven-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/GraphQLCodegenMojo.java
+++ b/plugins/maven/graphql-java-codegen-maven-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/GraphQLCodegenMojo.java
@@ -145,6 +145,9 @@ public class GraphQLCodegenMojo extends AbstractMojo implements GraphQLCodegenCo
     @Parameter(defaultValue = MappingConfigConstants.DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION_STRING)
     private boolean generateApisWithThrowsException;
 
+    @Parameter(defaultValue = MappingConfigConstants.DEFAULT_ADD_GENERATED_ANNOTATION_STRING)
+    private boolean addGeneratedAnnotation;
+
     @Parameter
     private String[] fieldsWithResolvers;
 
@@ -225,6 +228,7 @@ public class GraphQLCodegenMojo extends AbstractMojo implements GraphQLCodegenCo
         mappingConfig.setGenerateModelsForRootTypes(generateModelsForRootTypes);
         mappingConfig.setUseOptionalForNullableReturnTypes(useOptionalForNullableReturnTypes);
         mappingConfig.setGenerateApisWithThrowsException(generateApisWithThrowsException);
+        mappingConfig.setAddGeneratedAnnotation(addGeneratedAnnotation);
         mappingConfig.setFieldsWithResolvers(mapToHashSet(fieldsWithResolvers));
         mappingConfig.setFieldsWithoutResolvers(mapToHashSet(fieldsWithoutResolvers));
         mappingConfig.setRelayConfig(relayConfig);
@@ -459,6 +463,11 @@ public class GraphQLCodegenMojo extends AbstractMojo implements GraphQLCodegenCo
         return generateApisWithThrowsException;
     }
 
+    @Override
+    public Boolean getAddGeneratedAnnotation() {
+        return addGeneratedAnnotation;
+    }
+
     @Override
     public ApiRootInterfaceStrategy getApiRootInterfaceStrategy() {
         return apiRootInterfaceStrategy;
@@ -588,4 +597,4 @@ public class GraphQLCodegenMojo extends AbstractMojo implements GraphQLCodegenCo
         return result;
     }
 
-}
\ No newline at end of file
+}
diff --git a/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenKeys.scala b/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenKeys.scala
index e99a33672f3be254c5d7ca15067e89e8d0e57bb3..4901ae8b185cf3ed8c4f9462897118af42386061 100644
--- a/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenKeys.scala
+++ b/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenKeys.scala
@@ -59,6 +59,8 @@ trait GraphQLCodegenKeys {
 
   val generateExtensionFieldsResolvers = settingKey[Boolean]("Specifies whether all fields in extensions (extend type and extend interface) should be present in Resolver interface instead of the type class itself.")
 
+  val addGeneratedAnnotation = settingKey[Boolean]("Specifies whether generated classes should be annotated with @Generated")
+
   val generateDataFetchingEnvironmentArgumentInApis = settingKey[Boolean]("If true, then graphql.schema.DataFetchingEnvironment env will be added as a last argument to all methods of root type resolvers and field resolvers.")
 
   val generateModelsForRootTypes = settingKey[Boolean]("generateModelsForRootTypes")
diff --git a/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenPlugin.scala b/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenPlugin.scala
index 7e82c5bd907df88d8409f3a2e208d2081058d6ff..5b3d7b862e41f31d71c7965eb9647a8263feda66 100644
--- a/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenPlugin.scala
+++ b/plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenPlugin.scala
@@ -93,6 +93,7 @@ class GraphQLCodegenPlugin(configuration: Configuration, private[codegen] val co
     apiInterfaceStrategy := MappingConfigConstants.DEFAULT_API_INTERFACE_STRATEGY,
     useOptionalForNullableReturnTypes := MappingConfigConstants.DEFAULT_USE_OPTIONAL_FOR_NULLABLE_RETURN_TYPES,
     generateApisWithThrowsException := MappingConfigConstants.DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION,
+    addGeneratedAnnotation := MappingConfigConstants.DEFAULT_ADD_GENERATED_ANNOTATION,
     relayConfig := defaultRelayConfig,
     // package name configs:
     apiPackageName := None,
@@ -162,6 +163,7 @@ class GraphQLCodegenPlugin(configuration: Configuration, private[codegen] val co
     mappingConfig.setApiInterfaceStrategy((apiInterfaceStrategy in GraphQLCodegenConfig).value)
     mappingConfig.setUseOptionalForNullableReturnTypes((useOptionalForNullableReturnTypes in GraphQLCodegenConfig).value)
     mappingConfig.setGenerateApisWithThrowsException((generateApisWithThrowsException in GraphQLCodegenConfig).value)
+    mappingConfig.setAddGeneratedAnnotation((addGeneratedAnnotation in GraphQLCodegenConfig).value)
     mappingConfig.setResponseProjectionMaxDepth((responseProjectionMaxDepth in GraphQLCodegenConfig).value)
     mappingConfig.setRelayConfig((relayConfig in GraphQLCodegenConfig).value)
     mappingConfig.setGeneratedLanguage((generatedLanguage in GraphQLCodegenConfig).value)
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/GraphQLCodegen.java b/src/main/java/com/kobylynskyi/graphql/codegen/GraphQLCodegen.java
index 0f823ef117acd9caf1baf2a1e0dd66e07708d563..fa1ba5cfe7e4cca6802ffa33c24faaf4d2a713e1 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/GraphQLCodegen.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/GraphQLCodegen.java
@@ -177,6 +177,9 @@ public abstract class GraphQLCodegen {
         if (mappingConfig.getGenerateApisWithThrowsException() == null) {
             mappingConfig.setGenerateApisWithThrowsException(MappingConfigConstants.DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION);
         }
+        if (mappingConfig.getAddGeneratedAnnotation() == null) {
+            mappingConfig.setAddGeneratedAnnotation(MappingConfigConstants.DEFAULT_ADD_GENERATED_ANNOTATION);
+        }
         if (mappingConfig.getUseOptionalForNullableReturnTypes() == null) {
             mappingConfig.setUseOptionalForNullableReturnTypes(MappingConfigConstants.DEFAULT_USE_OPTIONAL_FOR_NULLABLE_RETURN_TYPES);
         }
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/EnumDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/EnumDefinitionToDataModelMapper.java
index 4f1aedcd7562d1c9633f444b9919e31218c5a0f4..300fa5356c76c7ecba49ba797ec1a9e1e337d6bc 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/EnumDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/EnumDefinitionToDataModelMapper.java
@@ -77,6 +77,7 @@ public class EnumDefinitionToDataModelMapper {
         dataModel.put(ANNOTATIONS, graphQLTypeMapper.getAnnotations(mappingContext, definition));
         dataModel.put(JAVA_DOC, definition.getJavaDoc());
         dataModel.put(FIELDS, map(mappingContext, definition.getValueDefinitions()));
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(SERIALIZATION_LIBRARY, MappingConfigConstants.DEFAULT_SERIALIZATION_LIBRARY);
         return dataModel;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/FieldDefinitionsToResolverDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/FieldDefinitionsToResolverDataModelMapper.java
index e94b3c9ee9c690295d11b41a0ce7af98071d1dbc..d94b5a25ff2d2a33c08b5656c2b9321c79fd9ab1 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/FieldDefinitionsToResolverDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/FieldDefinitionsToResolverDataModelMapper.java
@@ -25,6 +25,7 @@ import java.util.stream.Collectors;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.CLASS_NAME;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.ENUM_IMPORT_IT_SELF_IN_SCALA;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_INFO;
+import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_ANNOTATION;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.IMPLEMENTS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.IMPORTS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.JAVA_DOC;
@@ -143,6 +144,7 @@ public class FieldDefinitionsToResolverDataModelMapper {
         dataModel.put(OPERATIONS, operations);
         dataModel.put(JAVA_DOC, javaDoc);
         dataModel.put(IMPLEMENTS, parentInterface != null ? singletonList(parentInterface) : null);
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         return dataModel;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InputDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InputDefinitionToDataModelMapper.java
index e39fd5730b6190e4ace137c39932ffb29a29e5aa..0babb97bab16f3c4d5b41874f0cf438056864e9f 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InputDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InputDefinitionToDataModelMapper.java
@@ -13,6 +13,7 @@ import static com.kobylynskyi.graphql.codegen.model.DataModelFields.ENUM_IMPORT_
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.EQUALS_AND_HASH_CODE;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.FIELDS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_INFO;
+import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_ANNOTATION;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.IMMUTABLE_MODELS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.JAVA_DOC;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.NAME;
@@ -60,6 +61,7 @@ public class InputDefinitionToDataModelMapper {
         dataModel.put(IMMUTABLE_MODELS, mappingContext.getGenerateImmutableModels());
         dataModel.put(TO_STRING, mappingContext.getGenerateToString());
         dataModel.put(TO_STRING_FOR_REQUEST, mappingContext.getGenerateClient());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         return dataModel;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InterfaceDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InterfaceDefinitionToDataModelMapper.java
index f33b9c5c7ab23b06ff815d4fac5bb6449b369c68..49a6e921d48ed2893489931f7bf8f6aebc2bb509 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InterfaceDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/InterfaceDefinitionToDataModelMapper.java
@@ -45,6 +45,7 @@ public class InterfaceDefinitionToDataModelMapper {
         dataModel.put(IMPLEMENTS, getInterfaces(mappingContext, definition));
         dataModel.put(ANNOTATIONS, graphQLTypeMapper.getAnnotations(mappingContext, definition));
         dataModel.put(FIELDS, fieldDefinitionToParameterMapper.mapFields(mappingContext, definition.getFieldDefinitions(), definition));
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         dataModel.put(IMMUTABLE_MODELS, mappingContext.getGenerateImmutableModels());
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/RequestResponseDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/RequestResponseDefinitionToDataModelMapper.java
index 4454b8b030a69aa842ed9456dfd3db828554cf88..d08090bfb8884dc07c91d3988f8a76386dc53a05 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/RequestResponseDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/RequestResponseDefinitionToDataModelMapper.java
@@ -25,6 +25,7 @@ import static com.kobylynskyi.graphql.codegen.model.DataModelFields.ENUM_IMPORT_
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.EQUALS_AND_HASH_CODE;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.FIELDS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_INFO;
+import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_ANNOTATION;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.JAVA_DOC;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.METHOD_NAME;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.OPERATION_NAME;
@@ -134,6 +135,7 @@ public class RequestResponseDefinitionToDataModelMapper {
         dataModel.put(FIELDS, getProjectionFields(mappingContext, definition));
         dataModel.put(BUILDER, mappingContext.getGenerateBuilder());
         dataModel.put(EQUALS_AND_HASH_CODE, mappingContext.getGenerateEqualsAndHashCode());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(RESPONSE_PROJECTION_MAX_DEPTH, mappingContext.getResponseProjectionMaxDepth());
         // dataModel.put(TO_STRING, mappingConfig.getGenerateToString()); always generated for serialization purposes
@@ -163,6 +165,7 @@ public class RequestResponseDefinitionToDataModelMapper {
                 mappingContext, fieldDefinition.getInputValueDefinitions(), parentTypeDefinition.getName()));
         dataModel.put(BUILDER, mappingContext.getGenerateBuilder());
         dataModel.put(EQUALS_AND_HASH_CODE, mappingContext.getGenerateEqualsAndHashCode());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         // dataModel.put(TO_STRING, mappingConfig.getGenerateToString()); always generated for serialization purposes
@@ -195,6 +198,7 @@ public class RequestResponseDefinitionToDataModelMapper {
         dataModel.put(OPERATION_NAME, operationDef.getName());
         dataModel.put(METHOD_NAME, dataModelMapper.capitalizeMethodNameIfRestricted(mappingContext, operationDef.getName()));
         dataModel.put(RETURN_TYPE_NAME, javaType);
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         return dataModel;
     }
@@ -227,6 +231,7 @@ public class RequestResponseDefinitionToDataModelMapper {
         dataModel.put(EQUALS_AND_HASH_CODE, mappingContext.getGenerateEqualsAndHashCode());
         dataModel.put(TO_STRING, mappingContext.getGenerateToString());
         dataModel.put(TO_STRING_FOR_REQUEST, mappingContext.getGenerateClient());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         return dataModel;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/TypeDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/TypeDefinitionToDataModelMapper.java
index f8696f288d41f289a3dc119c34e87982b775f32e..68d83bee447e31fe81904a0bc4cf87922201be90 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/TypeDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/TypeDefinitionToDataModelMapper.java
@@ -79,6 +79,7 @@ public class TypeDefinitionToDataModelMapper {
         dataModel.put(IMMUTABLE_MODELS, mappingContext.getGenerateImmutableModels());
         dataModel.put(TO_STRING, mappingContext.getGenerateToString());
         dataModel.put(TO_STRING_FOR_REQUEST, mappingContext.getGenerateClient());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         dataModel.put(PARENT_INTERFACE_PROPERTIES, mappingContext.getParentInterfaceProperties());
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/UnionDefinitionToDataModelMapper.java b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/UnionDefinitionToDataModelMapper.java
index e1b37c23547eaba1b3eefb9606dd5866badbe82d..52fe0f061bc16cd52888ded1be14282c8345dd57 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/mapper/UnionDefinitionToDataModelMapper.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/mapper/UnionDefinitionToDataModelMapper.java
@@ -10,6 +10,7 @@ import static com.kobylynskyi.graphql.codegen.model.DataModelFields.ANNOTATIONS;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.CLASS_NAME;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.ENUM_IMPORT_IT_SELF_IN_SCALA;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_INFO;
+import static com.kobylynskyi.graphql.codegen.model.DataModelFields.GENERATED_ANNOTATION;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.JAVA_DOC;
 import static com.kobylynskyi.graphql.codegen.model.DataModelFields.PACKAGE;
 
@@ -43,6 +44,7 @@ public class UnionDefinitionToDataModelMapper {
         dataModel.put(CLASS_NAME, dataModelMapper.getModelClassNameWithPrefixAndSuffix(mappingContext, definition));
         dataModel.put(ANNOTATIONS, graphQLTypeMapper.getAnnotations(mappingContext, definition));
         dataModel.put(JAVA_DOC, definition.getJavaDoc());
+        dataModel.put(GENERATED_ANNOTATION, mappingContext.getAddGeneratedAnnotation());
         dataModel.put(GENERATED_INFO, mappingContext.getGeneratedInformation());
         dataModel.put(ENUM_IMPORT_IT_SELF_IN_SCALA, mappingContext.getEnumImportItSelfInScala());
         return dataModel;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/model/DataModelFields.java b/src/main/java/com/kobylynskyi/graphql/codegen/model/DataModelFields.java
index f4e5e9b978cd0e478b35742e6943cc4c5eb6d9f6..51828289377e00cae334f895f2cc3cc5dcd76842 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/model/DataModelFields.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/model/DataModelFields.java
@@ -26,6 +26,7 @@ public final class DataModelFields {
     public static final String OPERATION_NAME = "operationName";
     public static final String METHOD_NAME = "methodName";
     public static final String RETURN_TYPE_NAME = "returnTypeName";
+    public static final String GENERATED_ANNOTATION = "generatedAnnotation";
     public static final String GENERATED_INFO = "generatedInfo";
     public static final String RESPONSE_PROJECTION_MAX_DEPTH = "responseProjectionMaxDepth";
     public static final String ENUM_IMPORT_IT_SELF_IN_SCALA = "enumImportItSelfInScala";
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/model/GraphQLCodegenConfiguration.java b/src/main/java/com/kobylynskyi/graphql/codegen/model/GraphQLCodegenConfiguration.java
index 74ecf3209e1c6845c7aaa418ffa3615b0bd141c5..2d0976b22a39a05af936621f3953e36c3cd66ba2 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/model/GraphQLCodegenConfiguration.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/model/GraphQLCodegenConfiguration.java
@@ -250,6 +250,13 @@ public interface GraphQLCodegenConfiguration {
      */
     Boolean getGenerateApisWithThrowsException();
 
+    /**
+     * Specifies whether generated classes should be annotated with @Generated
+     *
+     * @return <b>true</b> if classes should be annotated with @Generated
+     */
+    Boolean getAddGeneratedAnnotation();
+
     /**
      * Relay-related configurations.
      *
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfig.java b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfig.java
index 4ca314d35275f4907b910f695a1906af76c4e288..6d9fd0bb4eb305240149bcc4a95205fec81690a4 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfig.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfig.java
@@ -52,6 +52,7 @@ public class MappingConfig implements GraphQLCodegenConfiguration, Combinable<Ma
     private Boolean generateModelsForRootTypes;
     private Boolean useOptionalForNullableReturnTypes;
     private Boolean generateApisWithThrowsException;
+    private Boolean addGeneratedAnnotation;
 
     // field resolvers configs:
     private Set<String> fieldsWithResolvers = new HashSet<>();
@@ -132,6 +133,7 @@ public class MappingConfig implements GraphQLCodegenConfiguration, Combinable<Ma
         generateModelsForRootTypes = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getGenerateModelsForRootTypes);
         useOptionalForNullableReturnTypes = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getUseOptionalForNullableReturnTypes);
         generateApisWithThrowsException = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getGenerateApisWithThrowsException);
+        addGeneratedAnnotation = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getAddGeneratedAnnotation);
         relayConfig = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getRelayConfig);
         queryResolverParentInterface = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getQueryResolverParentInterface);
         mutationResolverParentInterface = getValueOrDefaultToThis(source, GraphQLCodegenConfiguration::getMutationResolverParentInterface);
@@ -422,6 +424,15 @@ public class MappingConfig implements GraphQLCodegenConfiguration, Combinable<Ma
         this.generateApisWithThrowsException = generateApisWithThrowsException;
     }
 
+    @Override
+    public Boolean getAddGeneratedAnnotation() {
+        return addGeneratedAnnotation;
+    }
+
+    public void setAddGeneratedAnnotation(Boolean addGeneratedAnnotation) {
+        this.addGeneratedAnnotation = addGeneratedAnnotation;
+    }
+
     @Override
     public RelayConfig getRelayConfig() {
         return relayConfig;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfigConstants.java b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfigConstants.java
index 80aa1aaa1663ba41dacf7e7326982c427848e97d..c28ee52718ff66969195bf559308491a74bcd8c8 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfigConstants.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfigConstants.java
@@ -24,6 +24,8 @@ public class MappingConfigConstants {
     public static final String DEFAULT_GENERATE_MODELS_FOR_ROOT_TYPES_STRING = "false";
     public static final boolean DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION = true;
     public static final String DEFAULT_GENERATE_APIS_WITH_THROWS_EXCEPTION_STRING = "true";
+    public static final boolean DEFAULT_ADD_GENERATED_ANNOTATION = true;
+    public static final String DEFAULT_ADD_GENERATED_ANNOTATION_STRING = "true";
     public static final boolean DEFAULT_USE_OPTIONAL_FOR_NULLABLE_RETURN_TYPES = false;
     public static final String DEFAULT_USE_OPTIONAL_FOR_NULLABLE_RETURN_TYPES_STRING = "false";
     public static final ApiNamePrefixStrategy DEFAULT_API_NAME_PREFIX_STRATEGY = ApiNamePrefixStrategy.CONSTANT;
diff --git a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingContext.java b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingContext.java
index b18596edaf95f3b226bdbdd50415ba0fd5e101b7..03deb90ecdbf4b39515f65e3573f4e5631593f12 100644
--- a/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingContext.java
+++ b/src/main/java/com/kobylynskyi/graphql/codegen/model/MappingContext.java
@@ -184,6 +184,11 @@ public class MappingContext implements GraphQLCodegenConfiguration {
         return config.getGenerateApisWithThrowsException();
     }
 
+    @Override
+    public Boolean getAddGeneratedAnnotation() {
+        return config.getAddGeneratedAnnotation();
+    }
+
     @Override
     public RelayConfig getRelayConfig() {
         return config.getRelayConfig();
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlEnum.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlEnum.ftl
index 9c28deebb0d696cbb81d68931bab30c58c98fa3d..4c744d4c0903da448baf95e1f3fab6969fbf2a55 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlEnum.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlEnum.ftl
@@ -9,7 +9,7 @@ package ${package};
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
@@ -47,4 +47,4 @@ public enum ${className}<#if implements?has_content> implements <#list implement
         return this.graphqlName;
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlInterface.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlInterface.ftl
index 0090b600d7cc6045a148a505d273547ccb322de7..4d55a9a2e9cc8498e8d423ba8a236ab92079aeef 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlInterface.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlInterface.ftl
@@ -15,7 +15,7 @@ import ${import}.*;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
@@ -45,4 +45,4 @@ public interface ${className} <#if implements?has_content>extends <#list impleme
 
 </#list>
 </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlOperations.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlOperations.ftl
index 08ede514d43e666cb697938f43c2ed41f5ba39ba..ea1d463a895298250ba018c8369a0e9ba3f9d2f8 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlOperations.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlOperations.ftl
@@ -13,7 +13,7 @@ import ${import}.*;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
@@ -38,4 +38,4 @@ public interface ${className}<#if implements?has_content> extends <#list impleme
     ${operation.type} ${operation.name}(<#list operation.parameters as param>${param.type} ${param.name}<#if param_has_next>, </#if></#list>)<#if operation.throwsException> throws Exception</#if>;
 
 </#list>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlParametrizedInput.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlParametrizedInput.ftl
index 77e456a607e9d1e7f4f729e7d0d3775dc197b915..89b9b4e169a2ccd113bc0c439acea8b48b320039 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlParametrizedInput.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlParametrizedInput.ftl
@@ -17,7 +17,7 @@ import java.util.Objects;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlRequest.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlRequest.ftl
index e400784e86863e82fedae74fa47cb2d1123b8ead..13e0e1a6c956180bb9b7339e357504d3f7317fa6 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlRequest.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlRequest.ftl
@@ -19,7 +19,7 @@ import java.util.Set;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlResponse.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlResponse.ftl
index ce9308b412a775291f3fd0d673ddd171dbe621dd..bb727de7f094fe2c2cd8fee4e635295efef5e36f 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlResponse.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlResponse.ftl
@@ -12,7 +12,7 @@ import java.util.Map;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlResponseProjection.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlResponseProjection.ftl
index 5282e8cd84962193859486aaeb3a4670ea346499..98e4a63d0068a710f5a2b0546ea513f445255ea0 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlResponseProjection.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlResponseProjection.ftl
@@ -15,7 +15,7 @@ import java.util.Objects;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlType.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlType.ftl
index f4016bdf55b69e0ef4cdfc8dd98ad240df07fda0..844bc86ad2a453d7a8dd1e0c092a84327306ef83 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlType.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlType.ftl
@@ -25,7 +25,7 @@ import java.util.StringJoiner;
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/java-lang/javaClassGraphqlUnion.ftl b/src/main/resources/templates/java-lang/javaClassGraphqlUnion.ftl
index def432b0a088a32fa1a06fa20a1af3d9f127842b..9aa05d5b4f6d399100f7ffbd14319edb0e74eb0d 100644
--- a/src/main/resources/templates/java-lang/javaClassGraphqlUnion.ftl
+++ b/src/main/resources/templates/java-lang/javaClassGraphqlUnion.ftl
@@ -10,7 +10,7 @@ package ${package};
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = "com.kobylynskyi.graphql.codegen.GraphQLCodegen",
     date = "${generatedInfo.getDateTime()}"
@@ -21,4 +21,4 @@ package ${package};
 </#list>
 public interface ${className} {
 
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlEnum.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlEnum.ftl
index 73d189631414e41cca52740e9a176baa5c7b98d2..0dd3ce51cb3b9a63939c51e5fb57ba1f919ca375 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlEnum.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlEnum.ftl
@@ -9,7 +9,7 @@ package ${package}
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -37,4 +37,4 @@ enum class ${className}(val graphqlName: String)<#if implements?has_content> : <
 </#list>
 
 </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlInterface.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlInterface.ftl
index 59ffb1e450020ed5be3cec4ea30ce3eaabf70f0e..4c512e1527830ecee7fdc561dde7223827fba2b3 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlInterface.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlInterface.ftl
@@ -37,7 +37,7 @@ import ${import}.*
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -67,4 +67,4 @@ interface ${className}<#if implements?has_content> : <#list implements as interf
 
     </#list>
 </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlOperations.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlOperations.ftl
index af0bf0668eaf5cb15614d48171c2dcdc6317312d..b84121916c8a979fbfdc9ad9c2ea36cc6bd4eab2 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlOperations.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlOperations.ftl
@@ -13,7 +13,7 @@ import ${import}.*
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -41,4 +41,4 @@ interface ${className}<#if implements?has_content> : <#list implements as interf
     fun ${operation.name}(<#list operation.parameters as param>${param.name}: ${param.type}<#if param_has_next>, </#if></#list>): ${operation.type}
 
 </#list>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlParametrizedInput.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlParametrizedInput.ftl
index b7e9f6cca472573d230c13601db1418297de20ba..18b9b6841341e18a8b8ba0dcefc9050f32141d23 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlParametrizedInput.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlParametrizedInput.ftl
@@ -11,7 +11,7 @@ import java.util.StringJoiner
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -51,4 +51,4 @@ data class ${className}(
         return joiner.toString()
     }
 }
-</#if>
\ No newline at end of file
+</#if>
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlRequest.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlRequest.ftl
index 41d86254c1865fc4b24577e25c76bad2c4d4d8c5..c510cbda219eacecb9fbca749c7cd0d3c0783c7a 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlRequest.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlRequest.ftl
@@ -16,7 +16,7 @@ import java.util.Objects
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -152,4 +152,4 @@ open class ${className}(private val alias: String?) : GraphQLOperationRequest {
 
     }
 </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponse.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponse.ftl
index 9b2000111f092544e965ad2d47d377f5dc02f87b..e5d962d177ddf013df61edf8f278a10fe5e5b639 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponse.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponse.ftl
@@ -11,7 +11,7 @@ import com.kobylynskyi.graphql.codegen.model.graphql.GraphQLResult
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -44,4 +44,4 @@ open class ${className} : GraphQLResult<MutableMap<String, ${returnTypeName}>>()
         return data.getValue(OPERATION_NAME)
         </#if>
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponseProjection.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponseProjection.ftl
index f333516ca028b22e65164b6e8418c84ed9f9bb56..692b9310dd6ab55adcd4b5f8105a24191e39994e 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponseProjection.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlResponseProjection.ftl
@@ -15,7 +15,7 @@ import java.util.Objects
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlType.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlType.ftl
index e292741221647b07df39dfb37cd8bd2110b75c95..c35c1a1bcf4feddb738fdd7ad1a46c49b891322c 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlType.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlType.ftl
@@ -44,7 +44,7 @@ import java.util.StringJoiner
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -158,4 +158,4 @@ data class ${className}(
     }
 </#if>
 }
-</#if>
\ No newline at end of file
+</#if>
diff --git a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlUnion.ftl b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlUnion.ftl
index 177126bcc807bcd2753cb1521c2af75287b5dfba..c10c72156bed0e632f0e7d91cf20dbb7dd99df9e 100755
--- a/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlUnion.ftl
+++ b/src/main/resources/templates/kotlin-lang/kotlinClassGraphqlUnion.ftl
@@ -10,7 +10,7 @@ package ${package}
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = ["com.kobylynskyi.graphql.codegen.GraphQLCodegen"],
     date = "${generatedInfo.getDateTime()}"
@@ -21,4 +21,4 @@ package ${package}
 </#list>
 interface ${className} {
 
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlEnum.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlEnum.ftl
index 5bd28555386eb1d3606e8c56ef474826b3839722..e00c304232db5f8e5abb0ed720e95ea440c12c73 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlEnum.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlEnum.ftl
@@ -13,7 +13,7 @@ import com.fasterxml.jackson.core.`type`.TypeReference
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlInterface.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlInterface.ftl
index e9fb6efe924aa94a778616be02e8cec6040fb4ac..84195d17f6a3335829e99bdade2b0e762410c33d 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlInterface.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlInterface.ftl
@@ -32,7 +32,7 @@ import ${enum}._
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -62,4 +62,4 @@ trait ${className}<#if implements?has_content> extends<#list implements as inter
 
 </#list>
 </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlOperations.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlOperations.ftl
index c9501be5640245b4fe606b686bdc66d4bfb547d4..444c8dea32408b4a89bdfaceedfbcc1f15b66726 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlOperations.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlOperations.ftl
@@ -45,7 +45,7 @@ import ${import}._
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -73,4 +73,4 @@ trait ${className}<#if implements?has_content> extends <#list implements as inte
     def ${operation.name}(<#list operation.parameters as param>${param.name}: ${param.type}<#if param_has_next>, </#if></#list>): ${operation.type}
 
 </#list>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlParametrizedInput.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlParametrizedInput.ftl
index db31e8942556feed6cf1ce42173744d59e3bc299..50ede6d610a9651277977b310d075db7974e3b4c 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlParametrizedInput.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlParametrizedInput.ftl
@@ -30,7 +30,7 @@ import ${enum}._
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -63,4 +63,4 @@ case class ${className}(
     </#if>
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlRequest.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlRequest.ftl
index dbd3db1e2e73c9ff990df4d01a23208ee2a90f20..2308be2e8624bef12ca7ab09168e4971a94c5191 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlRequest.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlRequest.ftl
@@ -37,7 +37,7 @@ import ${enum}._
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -168,4 +168,4 @@ object ${className} {
 
     }
     </#if>
-}
\ No newline at end of file
+}
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlResponse.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlResponse.ftl
index befa6e71856fc28c0462002a8bb53c56979696e5..04f7332eb7fcdf0e6a6efbfc6212af35b5a142b8 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlResponse.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlResponse.ftl
@@ -13,7 +13,7 @@ import java.util.{ Map => JMap }
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlResponseProjection.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlResponseProjection.ftl
index 7e4467df33abdcc91d2f0996b1b7a0766444ce3f..80879b83ed026949d73e25f7abc7e3e40b128637 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlResponseProjection.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlResponseProjection.ftl
@@ -15,7 +15,7 @@ import java.util.Objects
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlType.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlType.ftl
index b3011166adc882168c1c820e54c092041bbd7fb3..369cc2f97620b160b4b277d0e212edf4d4960ece 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlType.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlType.ftl
@@ -59,7 +59,7 @@ import ${enum}._
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -131,4 +131,4 @@ object ${className} {
 
     }
 }
-</#if>
\ No newline at end of file
+</#if>
diff --git a/src/main/resources/templates/scala-lang/scalaClassGraphqlUnion.ftl b/src/main/resources/templates/scala-lang/scalaClassGraphqlUnion.ftl
index 4c507705a5efd79aa87317f60609bfc67429e070..79a26ca288fb1c2baf4c12f9911c24fb58f29992 100644
--- a/src/main/resources/templates/scala-lang/scalaClassGraphqlUnion.ftl
+++ b/src/main/resources/templates/scala-lang/scalaClassGraphqlUnion.ftl
@@ -10,7 +10,7 @@ package ${package}
 </#list>
  */
 </#if>
-<#if generatedInfo.getGeneratedType()?has_content>
+<#if generatedAnnotation && generatedInfo.getGeneratedType()?has_content>
 @${generatedInfo.getGeneratedType()}(
     value = Array("com.kobylynskyi.graphql.codegen.GraphQLCodegen"),
     date = "${generatedInfo.getDateTime()}"
@@ -21,4 +21,4 @@ package ${package}
 </#list>
 trait ${className} {
 
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenFileCreatorTest.java b/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenFileCreatorTest.java
index 09953d9a3b6cede89f9e6aef359c7af5c4fbe24c..0e96a1e233981935b6a6ca841c667a9e040254a3 100644
--- a/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenFileCreatorTest.java
+++ b/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenFileCreatorTest.java
@@ -42,10 +42,11 @@ class GraphQLCodegenFileCreatorTest {
         Map<String, Object> dataModel = new HashMap<>();
         dataModel.put(DataModelFields.CLASS_NAME, "Class1");
         dataModel.put(DataModelFields.ANNOTATIONS, Collections.emptyList());
+        dataModel.put(DataModelFields.GENERATED_ANNOTATION, false);
         dataModel.put(DataModelFields.GENERATED_INFO, new GeneratedInformation());
 
         GraphQLCodegenFileCreator.generateFile(mappingContext, FreeMarkerTemplateType.ENUM, dataModel, OUTPUT_DIR);
         assertThrows(UnableToCreateFileException.class,
                 () -> GraphQLCodegenFileCreator.generateFile(mappingContext, FreeMarkerTemplateType.ENUM, dataModel, OUTPUT_DIR));
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenTest.java b/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenTest.java
index 6da797e06c10fabbccbc8c360c2818d01a451457..24c0e8cc9f0790a8817412449cd6999939eac5b6 100644
--- a/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenTest.java
+++ b/src/test/java/com/kobylynskyi/graphql/codegen/GraphQLCodegenTest.java
@@ -226,6 +226,20 @@ class GraphQLCodegenTest {
                 getFileByName(files, "EventPropertyTO.java"));
     }
 
+    @Test
+    void generate_GeneratedAnnotation() throws Exception {
+        mappingConfig.setAddGeneratedAnnotation(false);
+        mappingConfig.setModelNameSuffix("TO");
+
+        generate("src/test/resources/schemas/test.graphqls");
+
+        File[] files = Objects.requireNonNull(outputJavaClassesDir.listFiles());
+        assertNotEquals(0, files.length);
+
+        assertSameTrimmedContent(new File("src/test/resources/expected-classes/EventPropertyTO_withoutGeneratedAnnotation.java.txt"),
+                getFileByName(files, "EventPropertyTO.java"));
+    }
+
     @Test
     void generate_NoSchemas() {
         GeneratedInformation staticGeneratedInfo = TestUtils.getStaticGeneratedInfo();
diff --git a/src/test/java/com/kobylynskyi/graphql/codegen/model/MappingConfigTest.java b/src/test/java/com/kobylynskyi/graphql/codegen/model/MappingConfigTest.java
index 3732057f2b66f8940f068c430c4149f8b17703f4..183c08486bb788859d5951a0bf095264aa3d939e 100644
--- a/src/test/java/com/kobylynskyi/graphql/codegen/model/MappingConfigTest.java
+++ b/src/test/java/com/kobylynskyi/graphql/codegen/model/MappingConfigTest.java
@@ -71,6 +71,7 @@ class MappingConfigTest {
         assertFalse(mappingConfig.getGenerateClient());
         assertFalse(mappingConfig.getGenerateModelsForRootTypes());
         assertTrue(mappingConfig.getGenerateApisWithThrowsException());
+        assertTrue(mappingConfig.getAddGeneratedAnnotation());
         assertEquals("11", mappingConfig.getTypeResolverPrefix());
         assertEquals("12", mappingConfig.getTypeResolverSuffix());
         assertEquals("key", mappingConfig.getRelayConfig().getDirectiveArgumentName());
@@ -112,6 +113,7 @@ class MappingConfigTest {
         assertFalse(mappingConfig.getGenerateClient());
         assertFalse(mappingConfig.getGenerateModelsForRootTypes());
         assertTrue(mappingConfig.getGenerateApisWithThrowsException());
+        assertTrue(mappingConfig.getAddGeneratedAnnotation());
         assertEquals("9", mappingConfig.getParametrizedInputSuffix());
         assertEquals("11", mappingConfig.getTypeResolverPrefix());
         assertEquals("12", mappingConfig.getTypeResolverSuffix());
@@ -157,6 +159,7 @@ class MappingConfigTest {
         assertTrue(mappingConfig.getGenerateClient());
         assertTrue(mappingConfig.getGenerateModelsForRootTypes());
         assertFalse(mappingConfig.getGenerateApisWithThrowsException());
+        assertFalse(mappingConfig.getAddGeneratedAnnotation());
         assertEquals("99", mappingConfig.getParametrizedInputSuffix());
         assertEquals("1111", mappingConfig.getTypeResolverPrefix());
         assertEquals("1212", mappingConfig.getTypeResolverSuffix());
@@ -201,6 +204,7 @@ class MappingConfigTest {
         config.setGenerateClient(false);
         config.setGenerateModelsForRootTypes(false);
         config.setGenerateApisWithThrowsException(true);
+        config.setAddGeneratedAnnotation(true);
         config.setParametrizedInputSuffix("9");
         config.setTypeResolverPrefix("11");
         config.setTypeResolverSuffix("12");
@@ -243,6 +247,7 @@ class MappingConfigTest {
         config.setGenerateClient(true);
         config.setGenerateModelsForRootTypes(true);
         config.setGenerateApisWithThrowsException(false);
+        config.setAddGeneratedAnnotation(false);
         config.setParametrizedInputSuffix("99");
         config.setTypeResolverPrefix("1111");
         config.setTypeResolverSuffix("1212");
@@ -297,4 +302,4 @@ class MappingConfigTest {
         assertEquals(expectedMappingConfig.getRelayConfig(), mappingConfig.getRelayConfig());
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/test/resources/expected-classes/EventPropertyTO_withoutGeneratedAnnotation.java.txt b/src/test/resources/expected-classes/EventPropertyTO_withoutGeneratedAnnotation.java.txt
new file mode 100644
index 0000000000000000000000000000000000000000..109d91bedf5e7260c967212b9d91317f71d95f40
--- /dev/null
+++ b/src/test/resources/expected-classes/EventPropertyTO_withoutGeneratedAnnotation.java.txt
@@ -0,0 +1,187 @@
+package com.kobylynskyi.graphql.test1;
+
+
+/**
+ * An event property have all possible types
+ */
+public class EventPropertyTO implements java.io.Serializable {
+
+    private Double floatVal;
+    private Boolean booleanVal;
+    private int intVal;
+    private java.util.List<Integer> intVals;
+    private String stringVal;
+    private java.util.List<EventPropertyTO> child;
+    private EventTO parent;
+
+    public EventPropertyTO() {
+    }
+
+    public EventPropertyTO(Double floatVal, Boolean booleanVal, int intVal, java.util.List<Integer> intVals, String stringVal, java.util.List<EventPropertyTO> child, EventTO parent) {
+        this.floatVal = floatVal;
+        this.booleanVal = booleanVal;
+        this.intVal = intVal;
+        this.intVals = intVals;
+        this.stringVal = stringVal;
+        this.child = child;
+        this.parent = parent;
+    }
+
+    /**
+     * Float property
+     * with multiline comment
+     */
+    public Double getFloatVal() {
+        return floatVal;
+    }
+    /**
+     * Float property
+     * with multiline comment
+     */
+    public void setFloatVal(Double floatVal) {
+        this.floatVal = floatVal;
+    }
+
+    public Boolean getBooleanVal() {
+        return booleanVal;
+    }
+    public void setBooleanVal(Boolean booleanVal) {
+        this.booleanVal = booleanVal;
+    }
+
+    public int getIntVal() {
+        return intVal;
+    }
+    public void setIntVal(int intVal) {
+        this.intVal = intVal;
+    }
+
+    /**
+     * primitive should not be generated
+     */
+    public java.util.List<Integer> getIntVals() {
+        return intVals;
+    }
+    /**
+     * primitive should not be generated
+     */
+    public void setIntVals(java.util.List<Integer> intVals) {
+        this.intVals = intVals;
+    }
+
+    /**
+     * String comment
+     */
+    public String getStringVal() {
+        return stringVal;
+    }
+    /**
+     * String comment
+     */
+    public void setStringVal(String stringVal) {
+        this.stringVal = stringVal;
+    }
+
+    /**
+     * Properties
+     */
+    public java.util.List<EventPropertyTO> getChild() {
+        return child;
+    }
+    /**
+     * Properties
+     */
+    public void setChild(java.util.List<EventPropertyTO> child) {
+        this.child = child;
+    }
+
+    /**
+     * Parent event of the property
+     */
+    public EventTO getParent() {
+        return parent;
+    }
+    /**
+     * Parent event of the property
+     */
+    public void setParent(EventTO parent) {
+        this.parent = parent;
+    }
+
+
+
+    public static EventPropertyTO.Builder builder() {
+        return new EventPropertyTO.Builder();
+    }
+
+    public static class Builder {
+
+        private Double floatVal;
+        private Boolean booleanVal;
+        private int intVal;
+        private java.util.List<Integer> intVals;
+        private String stringVal;
+        private java.util.List<EventPropertyTO> child;
+        private EventTO parent;
+
+        public Builder() {
+        }
+
+        /**
+         * Float property
+         * with multiline comment
+         */
+        public Builder setFloatVal(Double floatVal) {
+            this.floatVal = floatVal;
+            return this;
+        }
+
+        public Builder setBooleanVal(Boolean booleanVal) {
+            this.booleanVal = booleanVal;
+            return this;
+        }
+
+        public Builder setIntVal(int intVal) {
+            this.intVal = intVal;
+            return this;
+        }
+
+        /**
+         * primitive should not be generated
+         */
+        public Builder setIntVals(java.util.List<Integer> intVals) {
+            this.intVals = intVals;
+            return this;
+        }
+
+        /**
+         * String comment
+         */
+        public Builder setStringVal(String stringVal) {
+            this.stringVal = stringVal;
+            return this;
+        }
+
+        /**
+         * Properties
+         */
+        public Builder setChild(java.util.List<EventPropertyTO> child) {
+            this.child = child;
+            return this;
+        }
+
+        /**
+         * Parent event of the property
+         */
+        public Builder setParent(EventTO parent) {
+            this.parent = parent;
+            return this;
+        }
+
+
+        public EventPropertyTO build() {
+            return new EventPropertyTO(floatVal, booleanVal, intVal, intVals, stringVal, child, parent);
+        }
+
+    }
+}