diff --git a/.bzrignore b/.bzrignore
index 7505ac499a7..75db628e442 100644
--- a/.bzrignore
+++ b/.bzrignore
@@ -28,5 +28,6 @@ Modules/Setup.config
 Modules/Setup.local
 Modules/config.c
 Parser/pgen
+Lib/test/data/*
 Lib/lib2to3/Grammar*.pickle
 Lib/lib2to3/PatternGrammar*.pickle
diff --git a/.hgignore b/.hgignore
index ee1bd43cc5e..8056e98126d 100644
--- a/.hgignore
+++ b/.hgignore
@@ -42,6 +42,7 @@ libpython*.a
 *.rej
 *~
 Lib/lib2to3/*.pickle
+Lib/test/data/*
 PCbuild/*.exe
 PCbuild/*.dll
 PCbuild/*.pdb