diff --git a/Source/Core/Common/FileSearch.cpp b/Source/Core/Common/FileSearch.cpp
index 783c22d864..53eca6fcca 100644
--- a/Source/Core/Common/FileSearch.cpp
+++ b/Source/Core/Common/FileSearch.cpp
@@ -45,8 +45,9 @@ FileSearchWithTest(const std::vector<std::string>& directories, bool recursive,
   return result;
 }
 
-std::vector<std::string> DoFileSearchNoSTL(const std::vector<std::string>& directories,
-                                           const std::vector<std::string>& exts, bool recursive)
+static std::vector<std::string> DoFileSearchNoSTL(const std::vector<std::string>& directories,
+                                                  const std::vector<std::string>& exts,
+                                                  bool recursive)
 {
   bool accept_all = exts.empty();
   return FileSearchWithTest(directories, recursive, [&](const File::FSTEntry& entry) {
diff --git a/Source/Core/DolphinWX/ISOProperties/FilesystemPanel.cpp b/Source/Core/DolphinWX/ISOProperties/FilesystemPanel.cpp
index e431298ba6..93ee3bdb9d 100644
--- a/Source/Core/DolphinWX/ISOProperties/FilesystemPanel.cpp
+++ b/Source/Core/DolphinWX/ISOProperties/FilesystemPanel.cpp
@@ -399,9 +399,9 @@ void FilesystemPanel::ExtractSingleDirectory(const wxString& output_folder)
   }
 }
 
-void ExtractDir(const std::string& full_path, const std::string& output_folder,
-                const DiscIO::FileSystem& file_system, const DiscIO::FileInfo& directory,
-                const std::function<bool(const std::string& path)>& update_progress)
+static void ExtractDir(const std::string& full_path, const std::string& output_folder,
+                       const DiscIO::FileSystem& file_system, const DiscIO::FileInfo& directory,
+                       const std::function<bool(const std::string& path)>& update_progress)
 {
   for (const DiscIO::FileInfo& file_info : directory)
   {