diff --git a/.gitignore b/.gitignore
index d82d89cd2df782..91659803f5faf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@
 *.pyo
 *.rej
 *.swp
+*.pickle
 *~
 *.gc??
 *.profclang?
diff --git a/Lib/lib2to3/Grammar3.11.18.final.0.pickle b/Lib/lib2to3/Grammar3.11.18.final.0.pickle
deleted file mode 100644
index c3acebc758875b..00000000000000
Binary files a/Lib/lib2to3/Grammar3.11.18.final.0.pickle and /dev/null differ
diff --git a/Lib/lib2to3/PatternGrammar3.11.18.final.0.pickle b/Lib/lib2to3/PatternGrammar3.11.18.final.0.pickle
deleted file mode 100644
index 67e7d83e9194d5..00000000000000
Binary files a/Lib/lib2to3/PatternGrammar3.11.18.final.0.pickle and /dev/null differ