diff --git a/.gitignore b/.gitignore
index 368d568c8..e83d4ce8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,6 +38,8 @@ lib*.pc
 /Makefile.global
 /src/Makefile.custom
 /compile_commands.json
+/src/backend/distributed/cdc/build-cdc-*/*
+/src/test/cdc/tmp_check/*
 
 # temporary files vim creates
 *.swp