diff --git a/dtool/src/dtoolutil/filename.cxx b/dtool/src/dtoolutil/filename.cxx
index eee11a5afc..9b3631ec73 100644
--- a/dtool/src/dtoolutil/filename.cxx
+++ b/dtool/src/dtoolutil/filename.cxx
@@ -1913,6 +1913,7 @@ open_read_write(fstream &stream) const {
   return (!stream.fail());
 }
 
+/*
 ////////////////////////////////////////////////////////////////////
 //     Function: Filename::open_read
 //       Access: Published
@@ -2079,6 +2080,7 @@ open_read_write(pfstream &stream) const {
 
   return (!stream.fail());
 }
+*/
 
 ////////////////////////////////////////////////////////////////////
 //     Function: Filename::touch
diff --git a/dtool/src/dtoolutil/filename.h b/dtool/src/dtoolutil/filename.h
index c1bd7381ab..a00f8beebb 100644
--- a/dtool/src/dtoolutil/filename.h
+++ b/dtool/src/dtoolutil/filename.h
@@ -180,10 +180,12 @@ PUBLISHED:
   bool open_append(ofstream &stream) const;
   bool open_read_write(fstream &stream) const;
 
+  /*
   bool open_read(pifstream &stream) const;
   bool open_write(pofstream &stream, bool truncate = true) const;
   bool open_append(pofstream &stream) const;
   bool open_read_write(pfstream &stream) const;
+  */
 
   bool chdir() const;
   bool touch() const;
diff --git a/dtool/src/dtoolutil/pandaFileStream.h b/dtool/src/dtoolutil/pandaFileStream.h
index d7fe38c28a..2649242c90 100644
--- a/dtool/src/dtoolutil/pandaFileStream.h
+++ b/dtool/src/dtoolutil/pandaFileStream.h
@@ -86,8 +86,15 @@ private:
 
 #include "pandaFileStream.I"
 
+// Not ready for prime time yet.
+/*
 typedef IFileStream pifstream;
 typedef OFileStream pofstream;
 typedef FileStream pfstream;
+*/
+
+typedef ifstream pifstream;
+typedef ofstream pofstream;
+typedef fstream pfstream;
 
 #endif