diff --git a/.gitignore b/.gitignore
index e4858714dd448..88e4f6ab632ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,6 +32,7 @@ msbuild.log
 msbuild.err
 msbuild.wrn
 *.binlog
+*.pp
 .deps/
 .dirstamp
 .libs/