diff --git a/Source/Core/Common/x64Emitter.cpp b/Source/Core/Common/x64Emitter.cpp
index 46b117a87f..0a122e1121 100644
--- a/Source/Core/Common/x64Emitter.cpp
+++ b/Source/Core/Common/x64Emitter.cpp
@@ -1862,7 +1862,7 @@ void XEmitter::WriteVEXOp4(u8 opPrefix, u16 op, X64Reg regOp1, X64Reg regOp2, co
   Write8((u8)regOp3 << 4);
 }
 
-void CheckAVXSupport()
+static void CheckAVXSupport()
 {
   if (!cpu_info.bAVX)
     PanicAlertFmt("Trying to use AVX on a system that doesn't support it. Bad programmer.");
diff --git a/Source/Core/DolphinQt/Config/GameConfigEdit.cpp b/Source/Core/DolphinQt/Config/GameConfigEdit.cpp
index 8c93f84263..3c49fcae05 100644
--- a/Source/Core/DolphinQt/Config/GameConfigEdit.cpp
+++ b/Source/Core/DolphinQt/Config/GameConfigEdit.cpp
@@ -257,7 +257,13 @@ void GameConfigEdit::OpenExternalEditor()
     if (m_read_only)
       return;
 
-    file.open(QIODevice::WriteOnly);
+    if (!file.open(QIODevice::WriteOnly))
+    {
+      ModalMessageBox::warning(this, tr("Error"),
+                               tr("Failed to create the configuration file:\n%1").arg(m_path));
+      return;
+    }
+
     file.close();
   }
 
diff --git a/Source/Core/DolphinQt/Settings/OnScreenDisplayPane.cpp b/Source/Core/DolphinQt/Settings/OnScreenDisplayPane.cpp
index 7c279d4437..53f1888709 100644
--- a/Source/Core/DolphinQt/Settings/OnScreenDisplayPane.cpp
+++ b/Source/Core/DolphinQt/Settings/OnScreenDisplayPane.cpp
@@ -186,10 +186,6 @@ void OnScreenDisplayPane::AddDescriptions()
                  "but the slower it will be to update."
                  "<br><br><dolphin_emphasis>If unsure, leave this "
                  "at 1000ms.</dolphin_emphasis>");
-  static const char TR_LOG_RENDERTIME_DESCRIPTION[] = QT_TR_NOOP(
-      "Logs the render time of every frame to User/Logs/render_time.txt.<br><br>Use this "
-      "feature to measure Dolphin's performance.<br><br><dolphin_emphasis>If "
-      "unsure, leave this unchecked.</dolphin_emphasis>");
 
   static const char TR_SHOW_NETPLAY_PING_DESCRIPTION[] = QT_TR_NOOP(
       "Shows the player's maximum ping while playing on "
diff --git a/Source/Core/VideoCommon/Assets/MaterialAsset.cpp b/Source/Core/VideoCommon/Assets/MaterialAsset.cpp
index 5f7b158334..5f5c97a9f1 100644
--- a/Source/Core/VideoCommon/Assets/MaterialAsset.cpp
+++ b/Source/Core/VideoCommon/Assets/MaterialAsset.cpp
@@ -222,7 +222,7 @@ bool MaterialData::FromJson(const CustomAssetLibrary::AssetID& asset_id,
                             const picojson::object& json, MaterialData* data)
 {
   const auto parse_properties = [&](const char* name,
-                                    std::vector<MaterialProperty>* properties) -> bool {
+                                    std::vector<MaterialProperty>* material_properties) -> bool {
     const auto properties_iter = json.find(name);
     if (properties_iter == json.end())
     {
@@ -237,7 +237,7 @@ bool MaterialData::FromJson(const CustomAssetLibrary::AssetID& asset_id,
     }
     const auto& properties_array = properties_iter->second.get<picojson::array>();
 
-    if (!ParseMaterialProperties(asset_id, properties_array, properties))
+    if (!ParseMaterialProperties(asset_id, properties_array, material_properties))
       return false;
     return true;
   };
diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomPipeline.cpp b/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomPipeline.cpp
index d335ed4adb..aa392f0a96 100644
--- a/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomPipeline.cpp
+++ b/Source/Core/VideoCommon/GraphicsModSystem/Runtime/CustomPipeline.cpp
@@ -31,144 +31,6 @@ bool IsBuiltInMacro(std::string_view value)
   return Common::Contains(built_in, value);
 }
 
-std::vector<std::string> GlobalConflicts(std::string_view source)
-{
-  std::string_view last_identifier = "";
-  std::vector<std::string> global_result;
-  u32 scope = 0;
-  for (u32 i = 0; i < source.size(); i++)
-  {
-    // If we're out of global scope, we don't care
-    // about any of the details
-    if (scope > 0)
-    {
-      if (source[i] == '{')
-      {
-        scope++;
-      }
-      else if (source[i] == '}')
-      {
-        scope--;
-      }
-      continue;
-    }
-
-    const auto parse_identifier = [&] {
-      const u32 start = i;
-      for (; i < source.size(); i++)
-      {
-        if (!Common::IsAlpha(source[i]) && source[i] != '_' && !std::isdigit(source[i]))
-          break;
-      }
-      u32 end = i;
-      i--;  // unwind
-      return source.substr(start, end - start);
-    };
-
-    if (Common::IsAlpha(source[i]) || source[i] == '_')
-    {
-      const std::string_view identifier = parse_identifier();
-      if (IsQualifier(identifier))
-        continue;
-      if (IsBuiltInMacro(identifier))
-        continue;
-      last_identifier = identifier;
-    }
-    else if (source[i] == '#')
-    {
-      const auto parse_until_end_of_preprocessor = [&] {
-        bool continue_until_next_newline = false;
-        for (; i < source.size(); i++)
-        {
-          if (source[i] == '\n')
-          {
-            if (continue_until_next_newline)
-              continue_until_next_newline = false;
-            else
-              break;
-          }
-          else if (source[i] == '\\')
-          {
-            continue_until_next_newline = true;
-          }
-        }
-      };
-      i++;
-      const std::string_view identifier = parse_identifier();
-      if (identifier == "define")
-      {
-        i++;
-        // skip whitespace
-        while (source[i] == ' ')
-        {
-          i++;
-        }
-        global_result.emplace_back(parse_identifier());
-        parse_until_end_of_preprocessor();
-      }
-      else
-      {
-        parse_until_end_of_preprocessor();
-      }
-    }
-    else if (source[i] == '{')
-    {
-      scope++;
-    }
-    else if (source[i] == '(')
-    {
-      // Unlikely the user will be using layouts but...
-      if (last_identifier == "layout")
-        continue;
-
-      // Since we handle equality, we can assume the identifier
-      // before '(' is a function definition
-      global_result.emplace_back(last_identifier);
-    }
-    else if (source[i] == '=')
-    {
-      global_result.emplace_back(last_identifier);
-      i++;
-      for (; i < source.size(); i++)
-      {
-        if (source[i] == ';')
-          break;
-      }
-    }
-    else if (source[i] == '/')
-    {
-      if ((i + 1) >= source.size())
-        continue;
-
-      if (source[i + 1] == '/')
-      {
-        // Go to end of line...
-        for (; i < source.size(); i++)
-        {
-          if (source[i] == '\n')
-            break;
-        }
-      }
-      else if (source[i + 1] == '*')
-      {
-        // Multiline, look for first '*/'
-        for (; i < source.size(); i++)
-        {
-          if (source[i] == '/' && source[i - 1] == '*')
-            break;
-        }
-      }
-    }
-  }
-
-  // Sort the conflicts from largest to smallest string
-  // this way we can ensure smaller strings that are a substring
-  // of the larger string are able to be replaced appropriately
-  std::ranges::sort(global_result, std::ranges::greater{},
-                    [](const std::string& s) { return s.size(); });
-  return global_result;
-}
-
 }  // namespace
 
 void CustomPipeline::UpdatePixelData(std::shared_ptr<VideoCommon::CustomAssetLibrary>,