diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/DlnaControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/DlnaControllerTests.cs
index 8a03583bb2..4c46933aab 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Controllers/DlnaControllerTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/DlnaControllerTests.cs
@@ -63,8 +63,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 Name = "ThisProfileDoesNotExist"
             };
 
-            using var content = JsonContent.Create(deviceProfile, options: _jsonOptions);
-            using var getResponse = await client.PostAsync("/Dlna/Profiles/" + NonExistentProfile, content).ConfigureAwait(false);
+            using var getResponse = await client.PostAsJsonAsync("/Dlna/Profiles/" + NonExistentProfile, deviceProfile, _jsonOptions).ConfigureAwait(false);
             Assert.Equal(HttpStatusCode.NotFound, getResponse.StatusCode);
         }
 
@@ -80,8 +79,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 Name = "ThisProfileIsNew"
             };
 
-            using var content = JsonContent.Create(deviceProfile, options: _jsonOptions);
-            using var getResponse = await client.PostAsync("/Dlna/Profiles", content).ConfigureAwait(false);
+            using var getResponse = await client.PostAsJsonAsync("/Dlna/Profiles", deviceProfile, _jsonOptions).ConfigureAwait(false);
             Assert.Equal(HttpStatusCode.NoContent, getResponse.StatusCode);
         }
 
@@ -119,8 +117,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 Id = _newDeviceProfileId
             };
 
-            using var content = JsonContent.Create(updatedProfile, options: _jsonOptions);
-            using var getResponse = await client.PostAsync("/Dlna/Profiles", content).ConfigureAwait(false);
+            using var getResponse = await client.PostAsJsonAsync("/Dlna/Profiles", updatedProfile, _jsonOptions).ConfigureAwait(false);
             Assert.Equal(HttpStatusCode.NoContent, getResponse.StatusCode);
         }
 
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs
index a9713b4cb8..2da5237db2 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs
@@ -72,8 +72,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 Path = "/this/path/doesnt/exist"
             };
 
-            using var postContent = JsonContent.Create(data, options: _jsonOptions);
-            var response = await client.PostAsync("Library/VirtualFolders/Paths", postContent).ConfigureAwait(false);
+            var response = await client.PostAsJsonAsync("Library/VirtualFolders/Paths", data, _jsonOptions).ConfigureAwait(false);
 
             Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
         }
@@ -90,8 +89,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 PathInfo = new MediaPathInfo("test")
             };
 
-            using var postContent = JsonContent.Create(data, options: _jsonOptions);
-            var response = await client.PostAsync("Library/VirtualFolders/Paths/Update", postContent).ConfigureAwait(false);
+            var response = await client.PostAsJsonAsync("Library/VirtualFolders/Paths/Update", data, _jsonOptions).ConfigureAwait(false);
 
             Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
         }
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
index d9cde1dd96..ed92ce25a4 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
@@ -37,8 +37,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 PreferredMetadataLanguage = "nl"
             };
 
-            using var postContent = JsonContent.Create(config, options: _jsonOptions);
-            using var postResponse = await client.PostAsync("/Startup/Configuration", postContent).ConfigureAwait(false);
+            using var postResponse = await client.PostAsJsonAsync("/Startup/Configuration", config, _jsonOptions).ConfigureAwait(false);
             Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
 
             using var getResponse = await client.GetAsync("/Startup/Configuration").ConfigureAwait(false);
@@ -80,8 +79,7 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
                 Password = "NewPassword"
             };
 
-            using var postContent = JsonContent.Create(user, options: _jsonOptions);
-            var postResponse = await client.PostAsync("/Startup/User", postContent).ConfigureAwait(false);
+            var postResponse = await client.PostAsJsonAsync("/Startup/User", user, _jsonOptions).ConfigureAwait(false);
             Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
 
             var getResponse = await client.GetAsync("/Startup/User").ConfigureAwait(false);
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs
index 0f8b930f14..f11f276f80 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs
@@ -32,16 +32,10 @@ namespace Jellyfin.Server.Integration.Tests.Controllers
         }
 
         private Task<HttpResponseMessage> CreateUserByName(HttpClient httpClient, CreateUserByName request)
-        {
-            using var postContent = JsonContent.Create(request, options: _jsonOpions);
-            return httpClient.PostAsync("Users/New", postContent);
-        }
+            => httpClient.PostAsJsonAsync("Users/New", request, _jsonOpions);
 
         private Task<HttpResponseMessage> UpdateUserPassword(HttpClient httpClient, Guid userId, UpdateUserPassword request)
-        {
-            using var postContent = JsonContent.Create(request, options: _jsonOpions);
-            return httpClient.PostAsync("Users/" + userId.ToString("N", CultureInfo.InvariantCulture) + "/Password", postContent);
-        }
+            => httpClient.PostAsJsonAsync("Users/" + userId.ToString("N", CultureInfo.InvariantCulture) + "/Password", request, _jsonOpions);
 
         [Fact]
         [Priority(-1)]