diff --git a/lib/codegen/java/httpclient.dart b/lib/codegen/java/httpclient.dart
index e113fa10..01d45b05 100644
--- a/lib/codegen/java/httpclient.dart
+++ b/lib/codegen/java/httpclient.dart
@@ -17,8 +17,6 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;{% endif %}
-{% if hasJsonBody %}import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;{% endif %}
 
 public class Main {
   public static void main(String[] args) {
@@ -57,8 +55,8 @@ multipart/form-data; boundary={{boundary}}''';
 """;
 
   String kTemplateJsonBody = """
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson(\"\"\"
-{{body}}\"\"\"), StandardCharsets.UTF_8);
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(\"\"\"
+{{body}}\"\"\");
 """;
 
   String kTemplateFormData = """
@@ -121,7 +119,6 @@ multipart/form-data; boundary={{boundary}}''';
       String url = requestModel.url;
 
       result += jj.Template(kTemplateStart).render({
-        "hasJsonBody": requestModel.hasJsonData,
         "hasFormData": requestModel.hasFormData,
       });
 
diff --git a/test/codegen/java_httpclient_codegen_test.dart b/test/codegen/java_httpclient_codegen_test.dart
index 7ae82b89..0fc25e2a 100644
--- a/test/codegen/java_httpclient_codegen_test.dart
+++ b/test/codegen/java_httpclient_codegen_test.dart
@@ -428,7 +428,7 @@ public class Main {
 }''';
       expect(
           codeGen.getCode(
-              CodegenLanguage.javaHttpClient, requestModelHead2, "https"),
+              CodegenLanguage.javaHttpClient, requestModelHead2, "http"),
           expectedCode);
     });
   });
@@ -477,15 +477,12 @@ import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;
-
 public class Main {
   public static void main(String[] args) {
     try {
       HttpClient client = HttpClient.newHttpClient();
       URI uri = URI.create("https://api.apidash.dev/case/lower");
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson("""
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString("""
 {
 "text": "I LOVE Flutter",
 "flag": null,
@@ -493,7 +490,7 @@ public class Main {
 "female": false,
 "no": 1.2,
 "arr": ["null", "true", "false", null]
-}"""), StandardCharsets.UTF_8);
+}""");
       HttpRequest.Builder requestBuilder = HttpRequest.newBuilder(uri).POST(bodyPublisher);
       requestBuilder = requestBuilder.headers(
         "Content-Type", "application/json"
@@ -520,18 +517,15 @@ import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;
-
 public class Main {
   public static void main(String[] args) {
     try {
       HttpClient client = HttpClient.newHttpClient();
       URI uri = URI.create("https://api.apidash.dev/case/lower");
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson("""
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString("""
 {
 "text": "I LOVE Flutter"
-}"""), StandardCharsets.UTF_8);
+}""");
       HttpRequest.Builder requestBuilder = HttpRequest.newBuilder(uri).POST(bodyPublisher);
       requestBuilder = requestBuilder.headers(
         "User-Agent", "Test Agent",
@@ -970,19 +964,16 @@ import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;
-
 public class Main {
   public static void main(String[] args) {
     try {
       HttpClient client = HttpClient.newHttpClient();
       URI uri = URI.create("https://reqres.in/api/users/2");
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson("""
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString("""
 {
 "name": "morpheus",
 "job": "zion resident"
-}"""), StandardCharsets.UTF_8);
+}""");
       HttpRequest.Builder requestBuilder = HttpRequest.newBuilder(uri).PUT(bodyPublisher);
       requestBuilder = requestBuilder.headers(
         "Content-Type", "application/json"
@@ -1012,19 +1003,16 @@ import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;
-
 public class Main {
   public static void main(String[] args) {
     try {
       HttpClient client = HttpClient.newHttpClient();
       URI uri = URI.create("https://reqres.in/api/users/2");
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson("""
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString("""
 {
 "name": "marfeus",
 "job": "accountant"
-}"""), StandardCharsets.UTF_8);
+}""");
       HttpRequest.Builder requestBuilder = HttpRequest.newBuilder(uri).method("PATCH", bodyPublisher);
       requestBuilder = requestBuilder.headers(
         "Content-Type", "application/json"
@@ -1083,19 +1071,16 @@ import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import java.nio.charset.StandardCharsets;
-
 public class Main {
   public static void main(String[] args) {
     try {
       HttpClient client = HttpClient.newHttpClient();
       URI uri = URI.create("https://reqres.in/api/users/2");
-      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(new Gson().toJson("""
+      HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString("""
 {
 "name": "marfeus",
 "job": "accountant"
-}"""), StandardCharsets.UTF_8);
+}""");
       HttpRequest.Builder requestBuilder = HttpRequest.newBuilder(uri).method("DELETE", bodyPublisher);
       requestBuilder = requestBuilder.headers(
         "Content-Type", "application/json"