diff --git a/Source/Core/Common/FileSearch.cpp b/Source/Core/Common/FileSearch.cpp
index 6a53f12e02..29b8624b15 100644
--- a/Source/Core/Common/FileSearch.cpp
+++ b/Source/Core/Common/FileSearch.cpp
@@ -9,6 +9,8 @@
 #include "Common/FileSearch.h"
 #include "Common/FileUtil.h"
 
+namespace Common
+{
 static std::vector<std::string>
 FileSearchWithTest(const std::vector<std::string>& directories, bool recursive,
                    std::function<bool(const File::FSTEntry&)> callback)
@@ -57,3 +59,4 @@ std::vector<std::string> FindSubdirectories(const std::vector<std::string>& dire
   return FileSearchWithTest(directories, true,
                             [&](const File::FSTEntry& entry) { return entry.isDirectory; });
 }
+}  // namespace Common
diff --git a/Source/Core/Common/FileSearch.h b/Source/Core/Common/FileSearch.h
index da29f4fb8a..dc2f7f6b62 100644
--- a/Source/Core/Common/FileSearch.h
+++ b/Source/Core/Common/FileSearch.h
@@ -7,8 +7,11 @@
 #include <string>
 #include <vector>
 
+namespace Common
+{
 std::vector<std::string> DoFileSearch(const std::vector<std::string>& exts,
                                       const std::vector<std::string>& directories,
                                       bool recursive = false);
 std::vector<std::string> FindSubdirectories(const std::vector<std::string>& directories,
                                             bool recursive);
+}  // namespace Common
diff --git a/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp b/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
index daf0d0ee11..2cf7399e3d 100644
--- a/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
+++ b/Source/Core/Core/HW/GCMemcard/GCMemcardDirectory.cpp
@@ -145,7 +145,7 @@ GCMemcardDirectory::GCMemcardDirectory(const std::string& directory, int slot, u
     hdr_file.ReadBytes(&m_hdr, BLOCK_SIZE);
   }
 
-  std::vector<std::string> filenames = DoFileSearch({".gci"}, {m_save_directory});
+  std::vector<std::string> filenames = Common::DoFileSearch({".gci"}, {m_save_directory});
 
   if (filenames.size() > 112)
   {
diff --git a/Source/Core/DolphinWX/Config/InterfaceConfigPane.cpp b/Source/Core/DolphinWX/Config/InterfaceConfigPane.cpp
index 2b78a52a93..105ab0a749 100644
--- a/Source/Core/DolphinWX/Config/InterfaceConfigPane.cpp
+++ b/Source/Core/DolphinWX/Config/InterfaceConfigPane.cpp
@@ -187,9 +187,9 @@ void InterfaceConfigPane::LoadGUIValues()
 
 void InterfaceConfigPane::LoadThemes()
 {
-  auto sv =
-      DoFileSearch({""}, {File::GetUserPath(D_THEMES_IDX), File::GetSysDirectory() + THEMES_DIR},
-                   /*recursive*/ false);
+  auto sv = Common::DoFileSearch(
+      {""}, {File::GetUserPath(D_THEMES_IDX), File::GetSysDirectory() + THEMES_DIR},
+      /*recursive*/ false);
   for (const std::string& filename : sv)
   {
     std::string name, ext;
diff --git a/Source/Core/DolphinWX/FrameTools.cpp b/Source/Core/DolphinWX/FrameTools.cpp
index 58edc02c30..4141f36fc4 100644
--- a/Source/Core/DolphinWX/FrameTools.cpp
+++ b/Source/Core/DolphinWX/FrameTools.cpp
@@ -1593,7 +1593,7 @@ void CFrame::GameListChanged(wxCommandEvent& event)
     break;
   case IDM_PURGE_GAME_LIST_CACHE:
     std::vector<std::string> rFilenames =
-        DoFileSearch({".cache"}, {File::GetUserPath(D_CACHE_IDX)});
+        Common::DoFileSearch({".cache"}, {File::GetUserPath(D_CACHE_IDX)});
 
     for (const std::string& rFilename : rFilenames)
     {
diff --git a/Source/Core/DolphinWX/GameListCtrl.cpp b/Source/Core/DolphinWX/GameListCtrl.cpp
index 6dbb31a854..68e18b2379 100644
--- a/Source/Core/DolphinWX/GameListCtrl.cpp
+++ b/Source/Core/DolphinWX/GameListCtrl.cpp
@@ -663,8 +663,9 @@ void CGameListCtrl::ScanForISOs()
   m_ISOFiles.clear();
 
   const auto custom_titles = LoadCustomTitles();
-  auto rFilenames = DoFileSearch(GetFileSearchExtensions(), SConfig::GetInstance().m_ISOFolder,
-                                 SConfig::GetInstance().m_RecursiveISOFolder);
+  auto rFilenames =
+      Common::DoFileSearch(GetFileSearchExtensions(), SConfig::GetInstance().m_ISOFolder,
+                           SConfig::GetInstance().m_RecursiveISOFolder);
 
   if (rFilenames.size() > 0)
   {
diff --git a/Source/Core/DolphinWX/Input/InputConfigDiag.cpp b/Source/Core/DolphinWX/Input/InputConfigDiag.cpp
index 46673ac478..02dc019ca7 100644
--- a/Source/Core/DolphinWX/Input/InputConfigDiag.cpp
+++ b/Source/Core/DolphinWX/Input/InputConfigDiag.cpp
@@ -264,7 +264,7 @@ void InputConfigDialog::UpdateProfileComboBox()
   pname += PROFILES_PATH;
   pname += m_config.GetProfileName();
 
-  std::vector<std::string> sv = DoFileSearch({".ini"}, {pname});
+  std::vector<std::string> sv = Common::DoFileSearch({".ini"}, {pname});
 
   wxArrayString strs;
   for (const std::string& filename : sv)
diff --git a/Source/Core/VideoBackends/OGL/main.cpp b/Source/Core/VideoBackends/OGL/main.cpp
index 7b5ccbe93e..868d789785 100644
--- a/Source/Core/VideoBackends/OGL/main.cpp
+++ b/Source/Core/VideoBackends/OGL/main.cpp
@@ -82,8 +82,8 @@ std::string VideoBackend::GetDisplayName() const
 static std::vector<std::string> GetShaders(const std::string& sub_dir = "")
 {
   std::vector<std::string> paths =
-      DoFileSearch({".glsl"}, {File::GetUserPath(D_SHADERS_IDX) + sub_dir,
-                               File::GetSysDirectory() + SHADERS_DIR DIR_SEP + sub_dir});
+      Common::DoFileSearch({".glsl"}, {File::GetUserPath(D_SHADERS_IDX) + sub_dir,
+                                       File::GetSysDirectory() + SHADERS_DIR DIR_SEP + sub_dir});
   std::vector<std::string> result;
   for (std::string path : paths)
   {
diff --git a/Source/Core/VideoCommon/HiresTextures.cpp b/Source/Core/VideoCommon/HiresTextures.cpp
index f503932681..f4ad7448a5 100644
--- a/Source/Core/VideoCommon/HiresTextures.cpp
+++ b/Source/Core/VideoCommon/HiresTextures.cpp
@@ -95,7 +95,7 @@ void HiresTexture::Update()
   };
 
   std::vector<std::string> filenames =
-      DoFileSearch(extensions, {texture_directory}, /*recursive*/ true);
+      Common::DoFileSearch(extensions, {texture_directory}, /*recursive*/ true);
 
   const std::string code = game_id + "_";