diff --git a/src/main/java/com/commafeed/frontend/model/request/AddCategoryRequest.java b/src/main/java/com/commafeed/frontend/model/request/AddCategoryRequest.java
index 4d58b725..b70ef297 100644
--- a/src/main/java/com/commafeed/frontend/model/request/AddCategoryRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/AddCategoryRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Add Category Request")
 @Data
 public class AddCategoryRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/CategoryModificationRequest.java b/src/main/java/com/commafeed/frontend/model/request/CategoryModificationRequest.java
index 289141f3..42a69494 100644
--- a/src/main/java/com/commafeed/frontend/model/request/CategoryModificationRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/CategoryModificationRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Category modification request")
 @Data
 public class CategoryModificationRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/CollapseRequest.java b/src/main/java/com/commafeed/frontend/model/request/CollapseRequest.java
index 3bd6eefa..66263b0e 100644
--- a/src/main/java/com/commafeed/frontend/model/request/CollapseRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/CollapseRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Mark Request")
 @Data
 public class CollapseRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/FeedInfoRequest.java b/src/main/java/com/commafeed/frontend/model/request/FeedInfoRequest.java
index 43f79aaf..9da780e6 100644
--- a/src/main/java/com/commafeed/frontend/model/request/FeedInfoRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/FeedInfoRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Feed information request")
 @Data
 public class FeedInfoRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/FeedMergeRequest.java b/src/main/java/com/commafeed/frontend/model/request/FeedMergeRequest.java
index 18929c9b..735cfb6e 100644
--- a/src/main/java/com/commafeed/frontend/model/request/FeedMergeRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/FeedMergeRequest.java
@@ -3,18 +3,12 @@ package com.commafeed.frontend.model.request;
 import java.io.Serializable;
 import java.util.List;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Feed merge Request")
 @Data
 public class FeedMergeRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/FeedModificationRequest.java b/src/main/java/com/commafeed/frontend/model/request/FeedModificationRequest.java
index 3904eb2c..c25c73c1 100644
--- a/src/main/java/com/commafeed/frontend/model/request/FeedModificationRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/FeedModificationRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Feed modification request")
 @Data
 public class FeedModificationRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/IDRequest.java b/src/main/java/com/commafeed/frontend/model/request/IDRequest.java
index 75fd715c..40563896 100644
--- a/src/main/java/com/commafeed/frontend/model/request/IDRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/IDRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass
 @Data
 public class IDRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/MarkRequest.java b/src/main/java/com/commafeed/frontend/model/request/MarkRequest.java
index 7026cf43..0341ab76 100644
--- a/src/main/java/com/commafeed/frontend/model/request/MarkRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/MarkRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Mark Request")
 @Data
 public class MarkRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/MultipleMarkRequest.java b/src/main/java/com/commafeed/frontend/model/request/MultipleMarkRequest.java
index 5aa56e2c..a87509af 100644
--- a/src/main/java/com/commafeed/frontend/model/request/MultipleMarkRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/MultipleMarkRequest.java
@@ -3,18 +3,12 @@ package com.commafeed.frontend.model.request;
 import java.io.Serializable;
 import java.util.List;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Multiple Mark Request")
 @Data
 public class MultipleMarkRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/ProfileModificationRequest.java b/src/main/java/com/commafeed/frontend/model/request/ProfileModificationRequest.java
index 57180afa..a40d834c 100644
--- a/src/main/java/com/commafeed/frontend/model/request/ProfileModificationRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/ProfileModificationRequest.java
@@ -1,19 +1,16 @@
 package com.commafeed.frontend.model.request;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
+import java.io.Serializable;
 
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
+@SuppressWarnings("serial")
 @ApiClass("Profile modification request")
 @Data
-public class ProfileModificationRequest {
+public class ProfileModificationRequest implements Serializable {
 
 	@ApiProperty(value = "changes email of the user, if specified")
 	private String email;
diff --git a/src/main/java/com/commafeed/frontend/model/request/RegistrationRequest.java b/src/main/java/com/commafeed/frontend/model/request/RegistrationRequest.java
index a41d9d97..00b67075 100644
--- a/src/main/java/com/commafeed/frontend/model/request/RegistrationRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/RegistrationRequest.java
@@ -2,17 +2,11 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @Data
 public class RegistrationRequest implements Serializable {
 
diff --git a/src/main/java/com/commafeed/frontend/model/request/StarRequest.java b/src/main/java/com/commafeed/frontend/model/request/StarRequest.java
index 7508a4f1..e81e9bd0 100644
--- a/src/main/java/com/commafeed/frontend/model/request/StarRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/StarRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Star Request")
 @Data
 public class StarRequest implements Serializable {
diff --git a/src/main/java/com/commafeed/frontend/model/request/SubscribeRequest.java b/src/main/java/com/commafeed/frontend/model/request/SubscribeRequest.java
index cc6d229b..cc4c07e3 100644
--- a/src/main/java/com/commafeed/frontend/model/request/SubscribeRequest.java
+++ b/src/main/java/com/commafeed/frontend/model/request/SubscribeRequest.java
@@ -2,18 +2,12 @@ package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
 
-import javax.xml.bind.annotation.XmlAccessType;
-import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlRootElement;
-
 import lombok.Data;
 
 import com.wordnik.swagger.annotations.ApiClass;
 import com.wordnik.swagger.annotations.ApiProperty;
 
 @SuppressWarnings("serial")
-@XmlRootElement
-@XmlAccessorType(XmlAccessType.FIELD)
 @ApiClass("Subscription request")
 @Data
 public class SubscribeRequest implements Serializable {