diff --git a/backend/src/Designer/Controllers/ProcessModelingController.cs b/backend/src/Designer/Controllers/ProcessModelingController.cs
index a31a7c30d52..8a3e237ed13 100644
--- a/backend/src/Designer/Controllers/ProcessModelingController.cs
+++ b/backend/src/Designer/Controllers/ProcessModelingController.cs
@@ -128,30 +128,5 @@ await _processModelingService.SaveProcessDefinitionFromTemplateAsync(editingCont
             Stream processDefinitionStream = _processModelingService.GetProcessDefinitionStream(editingContext);
             return new FileStreamResult(processDefinitionStream, MediaTypeNames.Text.Plain);
         }
-
-        [HttpPut("tasks/{taskId}/{taskName}")]
-        public async Task<ActionResult> UpdateProcessTaskName(string org, string repo, string taskId, string taskName,
-            CancellationToken cancellationToken)
-        {
-            Guard.AssertArgumentNotNull(taskId, nameof(taskId));
-            Guard.AssertArgumentNotNull(taskName, nameof(taskName));
-            string developer = AuthenticationHelper.GetDeveloperUserName(HttpContext);
-            var editingContext = AltinnRepoEditingContext.FromOrgRepoDeveloper(org, repo, developer);
-            try
-            {
-                Stream updatedProcessDefinitionStream =
-                    await _processModelingService.UpdateProcessTaskNameAsync(editingContext, taskId, taskName,
-                        cancellationToken);
-                return new FileStreamResult(updatedProcessDefinitionStream, MediaTypeNames.Text.Plain);
-            }
-            catch (InvalidOperationException)
-            {
-                return BadRequest("Could not deserialize process definition.");
-            }
-            catch (ArgumentException)
-            {
-                return BadRequest("Could not find task with given id.");
-            }
-        }
     }
 }
diff --git a/backend/src/Designer/Services/Implementation/ProcessModeling/ProcessModelingService.cs b/backend/src/Designer/Services/Implementation/ProcessModeling/ProcessModelingService.cs
index 71dc3035a61..708ca63d278 100644
--- a/backend/src/Designer/Services/Implementation/ProcessModeling/ProcessModelingService.cs
+++ b/backend/src/Designer/Services/Implementation/ProcessModeling/ProcessModelingService.cs
@@ -56,37 +56,6 @@ public Stream GetProcessDefinitionStream(AltinnRepoEditingContext altinnRepoEdit
             return altinnAppGitRepository.GetProcessDefinitionFile();
         }
 
-        public async Task<Stream> UpdateProcessTaskNameAsync(AltinnRepoEditingContext altinnRepoEditingContext, string taskId, string taskName, CancellationToken cancellationToken = default)
-        {
-            cancellationToken.ThrowIfCancellationRequested();
-            AltinnAppGitRepository altinnAppGitRepository = _altinnGitRepositoryFactory.GetAltinnAppGitRepository(altinnRepoEditingContext.Org, altinnRepoEditingContext.Repo, altinnRepoEditingContext.Developer);
-            XmlSerializer serializer = new(typeof(Definitions));
-            Definitions? definitions;
-            using (Stream processDefinitionStream = GetProcessDefinitionStream(altinnRepoEditingContext))
-            {
-                definitions = (Definitions?)serializer.Deserialize(processDefinitionStream);
-            }
-
-            if (definitions == null)
-            {
-                throw new InvalidOperationException("Could not deserialize process definition.");
-            }
-
-            ProcessTask? processTask = (definitions.Process.Tasks?.FirstOrDefault(t => t.Id == taskId)) ?? throw new ArgumentException($"Could not find task with id {taskId}.");
-            processTask.Name = taskName;
-
-            Stream processStream = new MemoryStream();
-            serializer.Serialize(processStream, definitions);
-
-            // Reset stream position to beginning after serialization
-            processStream.Seek(0, SeekOrigin.Begin);
-            await altinnAppGitRepository.SaveProcessDefinitionFileAsync(processStream, cancellationToken);
-
-            // Reset stream position to beginning after saving
-            processStream.Seek(0, SeekOrigin.Begin);
-            return processStream;
-        }
-
         private IEnumerable<string> EnumerateTemplateResources(SemanticVersion version)
         {
             return typeof(ProcessModelingService).Assembly.GetManifestResourceNames()
diff --git a/backend/src/Designer/Services/Interfaces/IProcessModelingService.cs b/backend/src/Designer/Services/Interfaces/IProcessModelingService.cs
index cc5e61db789..85d38e079cb 100644
--- a/backend/src/Designer/Services/Interfaces/IProcessModelingService.cs
+++ b/backend/src/Designer/Services/Interfaces/IProcessModelingService.cs
@@ -39,15 +39,5 @@ public interface IProcessModelingService
         /// <param name="altinnRepoEditingContext">An <see cref="AltinnRepoEditingContext"/>.</param>
         /// <returns>A <see cref="Stream"/> of a process definition file.</returns>
         Stream GetProcessDefinitionStream(AltinnRepoEditingContext altinnRepoEditingContext);
-
-        /// <summary>
-        /// Updates the name of a task in the process definition file.
-        /// </summary>
-        /// <param name="altinnRepoEditingContext">n <see cref="AltinnRepoEditingContext"/>.</param>
-        /// <param name="taskId">The ID of the task to update</param>
-        /// <param name="taskName">The name to set for the task</param>
-        /// <param name="cancellationToken">A <see cref="CancellationToken"/> that observes if operation is cancelled.</param>
-        /// <returns></returns>
-        Task<Stream> UpdateProcessTaskNameAsync(AltinnRepoEditingContext altinnRepoEditingContext, string taskId, string taskName, CancellationToken cancellationToken = default);
     }
 }
diff --git a/backend/tests/Designer.Tests/Controllers/ProcessModelingController/UpsertProcessDefinitionAndNotifyTests.cs b/backend/tests/Designer.Tests/Controllers/ProcessModelingController/UpsertProcessDefinitionAndNotifyTests.cs
index 70351d8d431..b8e0122edbc 100644
--- a/backend/tests/Designer.Tests/Controllers/ProcessModelingController/UpsertProcessDefinitionAndNotifyTests.cs
+++ b/backend/tests/Designer.Tests/Controllers/ProcessModelingController/UpsertProcessDefinitionAndNotifyTests.cs
@@ -38,7 +38,7 @@ public async Task UpsertProcessDefinition_ShouldReturnOk(string org, string app,
 
         string url = VersionPrefix(org, targetRepository);
 
-        var form = new MultipartFormDataContent();
+        using var form = new MultipartFormDataContent();
         string metadataString = JsonSerializer.Serialize(metadata,
             new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase });
         form.Add(new StreamContent(fileStream), "content", "process.bpmn");
diff --git a/backend/tests/Designer.Tests/Services/ProcessModelingServiceTests.cs b/backend/tests/Designer.Tests/Services/ProcessModelingServiceTests.cs
index ec8a4ad5613..de0487719df 100644
--- a/backend/tests/Designer.Tests/Services/ProcessModelingServiceTests.cs
+++ b/backend/tests/Designer.Tests/Services/ProcessModelingServiceTests.cs
@@ -37,34 +37,6 @@ public void GetProcessDefinitionTemplates_GivenVersion_ReturnsListOfTemplates(st
             }
         }
 
-        [Theory]
-        [InlineData("ttd", "app-with-process", "testUser", "Task_1", "NewTaskName")]
-        public async void UpdateProcessTaskNameAsync_GivenTaskIdAndTaskName_UpdatesTaskName(string org, string repo, string developer, string taskId, string newTaskName)
-        {
-            // Arrange
-            string targetRepository = TestDataHelper.GenerateTestRepoName();
-            var editingContext = AltinnRepoEditingContext.FromOrgRepoDeveloper(org, targetRepository, developer);
-            await TestDataHelper.CopyRepositoryForTest(org, repo, developer, targetRepository);
-
-            try
-            {
-                var altinnGitRepositoryFactory = new AltinnGitRepositoryFactory(TestDataHelper.GetTestDataRepositoriesRootDirectory());
-                IProcessModelingService processModelingService = new ProcessModelingService(altinnGitRepositoryFactory);
-
-                // Act
-                using Stream result = await processModelingService.UpdateProcessTaskNameAsync(editingContext, taskId, newTaskName);
-                XmlSerializer serializer = new(typeof(Definitions));
-                Definitions definitions = (Definitions)serializer.Deserialize(result);
-
-                // Assert
-                definitions.Process.Tasks.First(t => t.Id == taskId).Name.Should().Be(newTaskName);
-            }
-            finally
-            {
-                TestDataHelper.DeleteAppRepository(org, targetRepository, developer);
-            }
-        }
-
         public static IEnumerable<object[]> TemplatesTestData => new List<object[]>
         {
             new object[]