diff --git a/src/main/java/at/compax/tools/sql/model/QueryParameter.java b/src/main/java/at/compax/tools/sql/model/QueryParameter.java
index dd9f0a7..6c8e106 100644
--- a/src/main/java/at/compax/tools/sql/model/QueryParameter.java
+++ b/src/main/java/at/compax/tools/sql/model/QueryParameter.java
@@ -3,7 +3,6 @@ package at.compax.tools.sql.model;
 import java.util.List;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Builder;
 import lombok.Getter;
@@ -14,8 +13,6 @@ import lombok.ToString;
 @ToString
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public class QueryParameter {
-  @JsonProperty("sql")
   private String sql;
-  @JsonProperty("parameters")
   private List<Object> parameters;
 }
diff --git a/src/main/java/at/compax/tools/sql/model/QueryResult.java b/src/main/java/at/compax/tools/sql/model/QueryResult.java
index c5d1c3d..cdcd3d4 100644
--- a/src/main/java/at/compax/tools/sql/model/QueryResult.java
+++ b/src/main/java/at/compax/tools/sql/model/QueryResult.java
@@ -3,7 +3,6 @@ package at.compax.tools.sql.model;
 import java.util.List;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Builder;
 import lombok.Getter;
@@ -19,11 +18,8 @@ public class QueryResult {
   @ToString
   @JsonInclude(JsonInclude.Include.NON_NULL)
   public static class ColumnDefinition {
-    @JsonProperty("index")
     private int index;
-    @JsonProperty("name")
     private String name;
-    @JsonProperty("type")
     private String type;
   }
 
@@ -37,21 +33,15 @@ public class QueryResult {
     @ToString
     @JsonInclude(JsonInclude.Include.NON_NULL)
     public static class Column {
-      @JsonProperty("value")
       private Object value;
     }
 
-    @JsonProperty("columns")
     private List<Column> columns;
   }
 
   private List<ColumnDefinition> columnDefinitions;
-  @JsonProperty("rows")
   private List<Row> rows;
-  @JsonProperty("userErrors")
   private List<UserError> userErrors;
-  @JsonProperty("exception")
   private String exception;
-  @JsonProperty("exceptionMessage")
   private String exceptionMessage;
 }
diff --git a/src/main/java/at/compax/tools/sql/model/UserError.java b/src/main/java/at/compax/tools/sql/model/UserError.java
index 2948851..bc6b002 100644
--- a/src/main/java/at/compax/tools/sql/model/UserError.java
+++ b/src/main/java/at/compax/tools/sql/model/UserError.java
@@ -3,7 +3,6 @@ package at.compax.tools.sql.model;
 import java.util.List;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Builder;
 import lombok.Getter;
@@ -20,22 +19,15 @@ public class UserError {
   @JsonInclude(JsonInclude.Include.NON_NULL)
   public static class MessageLine {
     private Long sequence;
-    @JsonProperty("line")
     private Long line;
-    @JsonProperty("position")
     private Long position;
-    @JsonProperty("text")
     private String text;
-    @JsonProperty("attribute")
     private String attribute;
     private Long messageNumber;
   }
 
-  @JsonProperty("name")
   private String name;
-  @JsonProperty("type")
   private String type;
-  @JsonProperty("lines")
   private List<MessageLine> lines;
 
 }