diff --git a/.gitignore b/.gitignore
index 41a4891b8d..ff81a10531 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,7 @@ db/*.db-*
 rippled.cfg
 validators.txt
 test/config.js
+
+# These are generated by protoc
+ripple.pb.cc
+ripple.pb.h