1 files changed, 0 insertions, 2 deletions
diff --git a/Lib/io.py b/Lib/io.py
index 4465e9e..8b5c958 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -551,8 +551,6 @@ class _MemoryIOMixin(BufferedIOBase):
     def truncate(self, pos=None):
         if pos is None:
             pos = self._pos
-        else:
-            self._pos = max(0, pos)
         del self._buffer[pos:]
         return pos