diff --git a/Source/Core/Common/FileUtil.h b/Source/Core/Common/FileUtil.h
index 885a141822..5eec5382ce 100644
--- a/Source/Core/Common/FileUtil.h
+++ b/Source/Core/Common/FileUtil.h
@@ -162,8 +162,6 @@ std::string& GetExeDirectory();
 bool WriteStringToFile(const std::string& str, const std::string& filename);
 bool ReadFileToString(const std::string& filename, std::string& str);
 
-}  // namespace
-
 // To deal with Windows being dumb at unicode:
 template <typename T>
 void OpenFStream(T& fstream, const std::string& filename, std::ios_base::openmode openmode)
@@ -174,3 +172,5 @@ void OpenFStream(T& fstream, const std::string& filename, std::ios_base::openmod
   fstream.open(filename.c_str(), openmode);
 #endif
 }
+
+}  // namespace
diff --git a/Source/Core/Common/IniFile.cpp b/Source/Core/Common/IniFile.cpp
index 1543d0f96f..5c38dd6a19 100644
--- a/Source/Core/Common/IniFile.cpp
+++ b/Source/Core/Common/IniFile.cpp
@@ -401,7 +401,7 @@ bool IniFile::Load(const std::string& filename, bool keep_current_data)
 
   // Open file
   std::ifstream in;
-  OpenFStream(in, filename, std::ios::in);
+  File::OpenFStream(in, filename, std::ios::in);
 
   if (in.fail())
     return false;
@@ -474,7 +474,7 @@ bool IniFile::Save(const std::string& filename)
 {
   std::ofstream out;
   std::string temp = File::GetTempFilenameForAtomicWrite(filename);
-  OpenFStream(out, temp, std::ios::out);
+  File::OpenFStream(out, temp, std::ios::out);
 
   if (out.fail())
   {
diff --git a/Source/Core/Common/LinearDiskCache.h b/Source/Core/Common/LinearDiskCache.h
index 2db1a0ad82..630a624d6b 100644
--- a/Source/Core/Common/LinearDiskCache.h
+++ b/Source/Core/Common/LinearDiskCache.h
@@ -70,7 +70,7 @@ public:
     m_num_entries = 0;
 
     // try opening for reading/writing
-    OpenFStream(m_file, filename, ios_base::in | ios_base::out | ios_base::binary);
+    File::OpenFStream(m_file, filename, ios_base::in | ios_base::out | ios_base::binary);
 
     m_file.seekg(0, std::ios::end);
     std::fstream::pos_type end_pos = m_file.tellg();
diff --git a/Source/Core/Common/Logging/LogManager.cpp b/Source/Core/Common/Logging/LogManager.cpp
index 3b2d925047..2c09bc5051 100644
--- a/Source/Core/Common/Logging/LogManager.cpp
+++ b/Source/Core/Common/Logging/LogManager.cpp
@@ -170,7 +170,7 @@ LogContainer::LogContainer(const std::string& shortName, const std::string& full
 
 FileLogListener::FileLogListener(const std::string& filename)
 {
-  OpenFStream(m_logfile, filename, std::ios::app);
+  File::OpenFStream(m_logfile, filename, std::ios::app);
   SetEnable(true);
 }
 
diff --git a/Source/Core/Core/HW/WiimoteEmu/EmuSubroutines.cpp b/Source/Core/Core/HW/WiimoteEmu/EmuSubroutines.cpp
index 0e45f869b4..76d27f3714 100644
--- a/Source/Core/Core/HW/WiimoteEmu/EmuSubroutines.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/EmuSubroutines.cpp
@@ -268,8 +268,8 @@ void Wiimote::WriteData(const wm_write_data* const wd)
     {
       // TODO Only write parts of the Mii block
       std::ofstream file;
-      OpenFStream(file, File::GetUserPath(D_SESSION_WIIROOT_IDX) + "/mii.bin",
-                  std::ios::binary | std::ios::out);
+      File::OpenFStream(file, File::GetUserPath(D_SESSION_WIIROOT_IDX) + "/mii.bin",
+                        std::ios::binary | std::ios::out);
       file.write((char*)m_eeprom + 0x0FCA, 0x02f0);
       file.close();
     }
diff --git a/Source/Core/Core/HW/WiimoteEmu/Speaker.cpp b/Source/Core/Core/HW/WiimoteEmu/Speaker.cpp
index adb2872e21..fb66bfb093 100644
--- a/Source/Core/Core/HW/WiimoteEmu/Speaker.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/Speaker.cpp
@@ -144,7 +144,7 @@ void Wiimote::SpeakerData(const wm_speaker_data* sd)
     File::Delete("rmtdump.wav");
     File::Delete("rmtdump.bin");
     atexit(stopdamnwav);
-    OpenFStream(ofile, "rmtdump.bin", ofile.binary | ofile.out);
+    File::OpenFStream(ofile, "rmtdump.bin", ofile.binary | ofile.out);
     wav.Start("rmtdump.wav", 6000);
   }
   wav.AddMonoSamples(samples.get(), sd->length * 2);
diff --git a/Source/Core/Core/PowerPC/SignatureDB/CSVSignatureDB.cpp b/Source/Core/Core/PowerPC/SignatureDB/CSVSignatureDB.cpp
index 66572169f7..ee03ddeeb4 100644
--- a/Source/Core/Core/PowerPC/SignatureDB/CSVSignatureDB.cpp
+++ b/Source/Core/Core/PowerPC/SignatureDB/CSVSignatureDB.cpp
@@ -18,7 +18,7 @@ bool CSVSignatureDB::Load(const std::string& file_path)
 {
   std::string line;
   std::ifstream ifs;
-  OpenFStream(ifs, file_path, std::ios_base::in);
+  File::OpenFStream(ifs, file_path, std::ios_base::in);
 
   if (!ifs)
     return false;
diff --git a/Source/Core/Core/PowerPC/SignatureDB/MEGASignatureDB.cpp b/Source/Core/Core/PowerPC/SignatureDB/MEGASignatureDB.cpp
index 9e1a924667..80617f0ab3 100644
--- a/Source/Core/Core/PowerPC/SignatureDB/MEGASignatureDB.cpp
+++ b/Source/Core/Core/PowerPC/SignatureDB/MEGASignatureDB.cpp
@@ -128,7 +128,7 @@ void MEGASignatureDB::Clear()
 bool MEGASignatureDB::Load(const std::string& file_path)
 {
   std::ifstream ifs;
-  OpenFStream(ifs, file_path, std::ios_base::in);
+  File::OpenFStream(ifs, file_path, std::ios_base::in);
 
   if (!ifs)
     return false;
diff --git a/Source/Core/Core/TitleDatabase.cpp b/Source/Core/Core/TitleDatabase.cpp
index 286aba930e..fee6e13f68 100644
--- a/Source/Core/Core/TitleDatabase.cpp
+++ b/Source/Core/Core/TitleDatabase.cpp
@@ -53,7 +53,7 @@ static bool LoadMap(const std::string& file_path, Map& map,
                     std::function<bool(const std::string& game_id)> predicate)
 {
   std::ifstream txt;
-  OpenFStream(txt, file_path, std::ios::in);
+  File::OpenFStream(txt, file_path, std::ios::in);
 
   if (!txt.is_open())
     return false;
diff --git a/Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp b/Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp
index 2a536c95e6..77ecf38f55 100644
--- a/Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp
+++ b/Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp
@@ -321,7 +321,7 @@ void CCodeWindow::OnSymbolsMenu(wxCommandEvent& event)
     if (!path.IsEmpty())
     {
       std::ifstream f;
-      OpenFStream(f, WxStrToStr(path), std::ios_base::in);
+      File::OpenFStream(f, WxStrToStr(path), std::ios_base::in);
 
       std::string line;
       while (std::getline(f, line))
diff --git a/Source/Core/VideoBackends/D3D/D3DShader.cpp b/Source/Core/VideoBackends/D3D/D3DShader.cpp
index c1bdeb0d3c..cd9622b4a3 100644
--- a/Source/Core/VideoBackends/D3D/D3DShader.cpp
+++ b/Source/Core/VideoBackends/D3D/D3DShader.cpp
@@ -54,7 +54,7 @@ bool CompileVertexShader(const std::string& code, D3DBlob** blob)
     std::string filename = StringFromFormat("%sbad_vs_%04i.txt",
                                             File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << code;
     file.close();
 
@@ -112,7 +112,7 @@ bool CompileGeometryShader(const std::string& code, D3DBlob** blob,
     std::string filename = StringFromFormat("%sbad_gs_%04i.txt",
                                             File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << code;
     file.close();
 
@@ -169,7 +169,7 @@ bool CompilePixelShader(const std::string& code, D3DBlob** blob, const D3D_SHADE
     std::string filename = StringFromFormat("%sbad_ps_%04i.txt",
                                             File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << code;
     file.close();
 
diff --git a/Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp b/Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
index d0474dc3b7..44027314b7 100644
--- a/Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
+++ b/Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
@@ -310,7 +310,7 @@ bool ProgramShaderCache::CompileShader(SHADER& shader, const std::string& vcode,
     std::string filename =
         StringFromFormat("%sbad_p_%d.txt", File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << s_glsl_header << vcode << s_glsl_header << pcode;
     if (!gcode.empty())
       file << s_glsl_header << gcode;
@@ -381,7 +381,7 @@ bool ProgramShaderCache::CompileComputeShader(SHADER& shader, const std::string&
     std::string filename =
         StringFromFormat("%sbad_p_%d.txt", File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << s_glsl_header << code;
     file << info_log;
     file.close();
@@ -448,7 +448,7 @@ GLuint ProgramShaderCache::CompileSingleShader(GLuint type, const std::string& c
     std::string filename = StringFromFormat(
         "%sbad_%s_%04i.txt", File::GetUserPath(D_DUMP_IDX).c_str(), prefix, num_failures++);
     std::ofstream file;
-    OpenFStream(file, filename, std::ios_base::out);
+    File::OpenFStream(file, filename, std::ios_base::out);
     file << s_glsl_header << code << info_log;
     file.close();
 
diff --git a/Source/Core/VideoBackends/OGL/VertexManager.cpp b/Source/Core/VideoBackends/OGL/VertexManager.cpp
index 58d7b19ad9..eb7ce04c92 100644
--- a/Source/Core/VideoBackends/OGL/VertexManager.cpp
+++ b/Source/Core/VideoBackends/OGL/VertexManager.cpp
@@ -179,13 +179,13 @@ void VertexManager::vFlush()
     std::string filename = StringFromFormat(
         "%sps%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
     std::ofstream fps;
-    OpenFStream(fps, filename, std::ios_base::out);
+    File::OpenFStream(fps, filename, std::ios_base::out);
     fps << prog.shader.strpprog;
 
     filename = StringFromFormat("%svs%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(),
                                 g_ActiveConfig.iSaveTargetId);
     std::ofstream fvs;
-    OpenFStream(fvs, filename, std::ios_base::out);
+    File::OpenFStream(fvs, filename, std::ios_base::out);
     fvs << prog.shader.strvprog;
   }
 #endif
diff --git a/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp b/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
index d4d095bb78..75bf99a3ba 100644
--- a/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
+++ b/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
@@ -131,7 +131,7 @@ bool CompileShaderToSPV(SPIRVCodeVector* out_code, EShLanguage stage, const char
         "%sbad_%s_%04i.txt", File::GetUserPath(D_DUMP_IDX).c_str(), stage_filename, counter++);
 
     std::ofstream stream;
-    OpenFStream(stream, filename, std::ios_base::out);
+    File::OpenFStream(stream, filename, std::ios_base::out);
     if (stream.good())
     {
       stream << full_source_code << std::endl;
@@ -199,7 +199,7 @@ bool CompileShaderToSPV(SPIRVCodeVector* out_code, EShLanguage stage, const char
                                             stage_filename, counter++);
 
     std::ofstream stream;
-    OpenFStream(stream, filename, std::ios_base::out);
+    File::OpenFStream(stream, filename, std::ios_base::out);
     if (stream.good())
     {
       stream << full_source_code << std::endl;
diff --git a/Source/Core/VideoCommon/ImageWrite.cpp b/Source/Core/VideoCommon/ImageWrite.cpp
index f944a37fb8..585ba5e13b 100644
--- a/Source/Core/VideoCommon/ImageWrite.cpp
+++ b/Source/Core/VideoCommon/ImageWrite.cpp
@@ -16,7 +16,7 @@
 bool SaveData(const std::string& filename, const std::string& data)
 {
   std::ofstream f;
-  OpenFStream(f, filename, std::ios::binary);
+  File::OpenFStream(f, filename, std::ios::binary);
   f << data;
 
   return true;