diff --git a/src/PlatformCompatibility.cpp b/src/PlatformCompatibility.cpp
index bb7ef59df..3e133ffae 100644
--- a/src/PlatformCompatibility.cpp
+++ b/src/PlatformCompatibility.cpp
@@ -44,22 +44,3 @@ const FilePath &PlatformCompatibility::GetExecutablePath()
    return path;
 }
 
-FilePath PlatformCompatibility::ConvertSlashInFileName(const FilePath &filePath)
-{
-#ifdef __WXMAC__
-   wxString path = filePath;
-   wxString filename;
-   wxString newPath = filePath;
-   // int pathLen = 1;
-   while (!wxDirExists(wxPathOnly(newPath)) && ! path.empty()) {
-      path = newPath.BeforeLast('/');
-      filename = newPath.AfterLast('/');
-      newPath = path;
-      newPath += ':';
-      newPath += filename;
-   }
-   return newPath;
-#else
-   return filePath;
-#endif
-}
diff --git a/src/PlatformCompatibility.h b/src/PlatformCompatibility.h
index 4d1ce6677..9b9b68331 100644
--- a/src/PlatformCompatibility.h
+++ b/src/PlatformCompatibility.h
@@ -39,19 +39,6 @@ public:
    // This string is unchanging
    //
    static const FilePath &GetExecutablePath();
-
-   //
-   // Audacity treats the / as a file separator always for Mac OS,
-   // however /'s are allowed in the filename. In order for /'s to
-   // work they muse be treated as :'s. To facilitate this, this
-   // function should be called when opening or saving a file on
-   // the Mac. It's important to note that if a / is used in a filename
-   // and folder exists in the same folder with the same name as the part
-   // of the file (before the first /) then the file will be saved inside
-   // of that directory. This function also exists in the FileDialogPrivate
-   // object
-   //
-   static FilePath ConvertSlashInFileName(const FilePath& filePath);
 };
 
 #endif
diff --git a/src/ProjectFileManager.cpp b/src/ProjectFileManager.cpp
index c65e27022..b41ed22dc 100644
--- a/src/ProjectFileManager.cpp
+++ b/src/ProjectFileManager.cpp
@@ -855,8 +855,7 @@ void ProjectFileManager::OpenFile(const FilePath &fileNameArg, bool addtohistory
    // On Win32, we may be given a short (DOS-compatible) file name on rare
    // occasions (e.g. stuff like "C:\PROGRA~1\AUDACI~1\PROJEC~1.AUP"). We
    // convert these to long file name first.
-   auto fileName = PlatformCompatibility::ConvertSlashInFileName(
-      PlatformCompatibility::GetLongFileName(fileNameArg));
+   auto fileName = PlatformCompatibility::GetLongFileName(fileNameArg);
 
    if (TempDirectory::FATFilesystemDenied(fileName,
                                       XO("Project resides on FAT formatted drive.\n"
@@ -889,6 +888,7 @@ void ProjectFileManager::OpenFile(const FilePath &fileNameArg, bool addtohistory
       return;
    }
 
+printf("fileexists %d\n", wxFileExists(fileName));
    if (!::wxFileExists(fileName)) {
       AudacityMessageBox(
          XO("Could not open file: %s").Format( fileName ),