diff --git a/Source/Core/DolphinNoGUI/MainNoGUI.cpp b/Source/Core/DolphinNoGUI/MainNoGUI.cpp
index 8598803afd..81051adb78 100644
--- a/Source/Core/DolphinNoGUI/MainNoGUI.cpp
+++ b/Source/Core/DolphinNoGUI/MainNoGUI.cpp
@@ -71,7 +71,7 @@ bool Host_UIBlocksControllerState()
 }
 
 static Common::Event s_update_main_frame_event;
-void Host_Message(HostMessageID id)
+void Host_Message(const HostMessageID id)
 {
   if (id == HostMessageID::WMUserStop)
     s_platform->Stop();
@@ -197,7 +197,7 @@ static std::unique_ptr<Platform> GetPlatform(const optparse::Values& options)
 #define main app_main
 #endif
 
-int main(int argc, char* argv[])
+int main(const int argc, char* argv[])
 {
   Core::DeclareAsHostThread();
 
@@ -298,7 +298,7 @@ int main(int argc, char* argv[])
     return 1;
   }
 
-  Core::AddOnStateChangedCallback([](Core::State state) {
+  Core::AddOnStateChangedCallback([](const Core::State state) {
     if (state == Core::State::Uninitialized)
       s_platform->Stop();
   });
diff --git a/Source/Core/DolphinNoGUI/PlatformWin32.cpp b/Source/Core/DolphinNoGUI/PlatformWin32.cpp
index 28244829cc..39daae400a 100644
--- a/Source/Core/DolphinNoGUI/PlatformWin32.cpp
+++ b/Source/Core/DolphinNoGUI/PlatformWin32.cpp
@@ -165,7 +165,8 @@ void PlatformWin32::ProcessEvents()
   }
 }
 
-LRESULT PlatformWin32::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+LRESULT PlatformWin32::WndProc(const HWND hwnd, const UINT msg, const WPARAM wParam,
+                               const LPARAM lParam)
 {
   PlatformWin32* platform = reinterpret_cast<PlatformWin32*>(GetWindowLongPtr(hwnd, GWLP_USERDATA));
   switch (msg)