diff --git a/libcxx/.gitignore b/libcxx/.gitignore
--- a/libcxx/.gitignore
+++ b/libcxx/.gitignore
@@ -22,12 +22,6 @@
 .installed.cfg
 *.egg
 
-# PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
-*.manifest
-*.spec
-
 # Installer logs
 pip-log.txt
 pip-delete-this-directory.txt