diff --git a/src/backend/parser/.cvsignore b/src/backend/parser/.cvsignore
new file mode 100644
index 00000000000..84c828f3bf4
--- /dev/null
+++ b/src/backend/parser/.cvsignore
@@ -0,0 +1,3 @@
+parse.h
+gram.c
+scan.c
diff --git a/src/interfaces/ecpg/preproc/.cvsignore b/src/interfaces/ecpg/preproc/.cvsignore
new file mode 100644
index 00000000000..ae37387ece5
--- /dev/null
+++ b/src/interfaces/ecpg/preproc/.cvsignore
@@ -0,0 +1,3 @@
+preproc.c
+preproc.h
+pgc.c