diff --git a/Re-Abyss/Re-Abyss.vcxproj b/Re-Abyss/Re-Abyss.vcxproj
index 4517a10d..ba9dd112 100644
--- a/Re-Abyss/Re-Abyss.vcxproj
+++ b/Re-Abyss/Re-Abyss.vcxproj
@@ -906,7 +906,6 @@
     <ClCompile Include="app\utils\Env\Env.cpp" />
     <ClCompile Include="app\utils\FileUtil\FileUtil.cpp" />
     <ClCompile Include="app\utils\FPS\FrameRateController.cpp" />
-    <ClCompile Include="app\utils\FPS\FrameRateHz.cpp" />
     <ClCompile Include="app\utils\Layout\Window\detail\Component.cpp" />
     <ClCompile Include="app\utils\Layout\Window\detail\GrabCtrl.cpp" />
     <ClCompile Include="app\utils\Layout\Window\detail\ScrollCtrl.cpp" />
@@ -2051,7 +2050,6 @@
     <ClInclude Include="app\utils\Env\Env.hpp" />
     <ClInclude Include="app\utils\FileUtil\FileUtil.hpp" />
     <ClInclude Include="app\utils\FPS\FrameRateController.hpp" />
-    <ClInclude Include="app\utils\FPS\FrameRateHz.hpp" />
     <ClInclude Include="app\utils\Hierarchy\Hierarchy.hpp" />
     <ClInclude Include="app\utils\IdGenerator\FreeableIdGen.hpp" />
     <ClInclude Include="app\utils\IdGenerator\IdGen.hpp" />
diff --git a/Re-Abyss/Re-Abyss.vcxproj.filters b/Re-Abyss/Re-Abyss.vcxproj.filters
index 18b5830b..ee65cf4e 100644
--- a/Re-Abyss/Re-Abyss.vcxproj.filters
+++ b/Re-Abyss/Re-Abyss.vcxproj.filters
@@ -2013,9 +2013,6 @@
     <ClCompile Include="app\utils\FileUtil\FileUtil.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="app\utils\FPS\FrameRateHz.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="app\utils\Layout\Window\detail\Component.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -5429,9 +5426,6 @@
     <ClInclude Include="app\utils\FileUtil\FileUtil.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="app\utils\FPS\FrameRateHz.hpp">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="app\utils\Hierarchy\Hierarchy.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
diff --git a/Re-Abyss/app/utils/FPS/FrameRateController.hpp b/Re-Abyss/app/utils/FPS/FrameRateController.hpp
index 5dab69d6..fe7bfd53 100644
--- a/Re-Abyss/app/utils/FPS/FrameRateController.hpp
+++ b/Re-Abyss/app/utils/FPS/FrameRateController.hpp
@@ -18,7 +18,7 @@ namespace abyss
             Instance()->set(value);
         }
     private:
-        static s3d::StringView UniqueName()
+        constexpr static s3d::StringView UniqueName()
         {
             return U"FrameRateController";
         }
@@ -30,7 +30,7 @@ namespace abyss
     private:
         s3d::Optional<Fps> m_value;
 
-        Clock::duration m_sleepTime;
+        Clock::duration m_sleepTime{};
         TimePoint m_sleepUntil;
     };
 }