diff --git a/include/Application.h b/include/Application.h
index 7cee5e654b..15a9b94bb2 100644
--- a/include/Application.h
+++ b/include/Application.h
@@ -39,14 +39,14 @@ class Application : NoCopy
      * can assume that it is safe to access this without checking whether it is
      * initialised.
      */
-    std::shared_ptr<Communication> communication_{ nullptr };
+    std::shared_ptr<Communication> communication_;
 
     /*
      * \brief The slice that is currently ongoing.
      *
      * If no slice has started yet, this will be a nullptr.
      */
-    std::shared_ptr<Slice> current_slice_{ nullptr };
+    std::shared_ptr<Slice> current_slice_;
 
     /*!
      * \brief ThreadPool with lifetime tied to Application
diff --git a/include/communication/EmscriptenCommunication.h b/include/communication/EmscriptenCommunication.h
index 225ff4efd3..fc2a6897df 100644
--- a/include/communication/EmscriptenCommunication.h
+++ b/include/communication/EmscriptenCommunication.h
@@ -19,6 +19,7 @@ namespace cura
  */
 class EmscriptenCommunication : public CommandLine
 {
+private:
     std::string progress_handler_; ///< Handler for progress messages.
     std::string slice_info_handler_; ///< Handler for slice information messages.
 
diff --git a/src/communication/EmscriptenCommunication.cpp b/src/communication/EmscriptenCommunication.cpp
index b6a3260e28..140f47316d 100644
--- a/src/communication/EmscriptenCommunication.cpp
+++ b/src/communication/EmscriptenCommunication.cpp
@@ -87,7 +87,7 @@ std::string EmscriptenCommunication::createSliceInfoMessage()
     }
     doc.AddMember("material_estimates", material_estimates_json, allocator);
 
-    // Set CureEngine information
+    // Set CuraEngine information
     rapidjson::Value slicer_info_json(rapidjson::kObjectType);
     rapidjson::Value slicer_version(CURA_ENGINE_VERSION, allocator);
     doc.AddMember("slicer_info", slicer_info_json, allocator);
diff --git a/stress_benchmark/stress_benchmark.cpp b/stress_benchmark/stress_benchmark.cpp
index ba4dc1d79d..cd3cd4ce33 100644
--- a/stress_benchmark/stress_benchmark.cpp
+++ b/stress_benchmark/stress_benchmark.cpp
@@ -195,7 +195,7 @@ void createAndWriteJson(const std::filesystem::path& out_file, double stress_lev
 {
     rapidjson::Document doc;
     doc.SetArray();
-        rapidjson::Document::AllocatorType& allocator = doc.GetAllocator();
+    rapidjson::Document::AllocatorType& allocator = doc.GetAllocator();
     auto no_test_cases_obj = createRapidJSONObject(allocator, "Number of test cases", no_test_cases, "-", "");
     doc.PushBack(no_test_cases_obj, allocator);