diff --git a/src/backend/bootstrap/.cvsignore b/src/backend/bootstrap/.cvsignore
new file mode 100644
index 0000000000..511777ca30
--- /dev/null
+++ b/src/backend/bootstrap/.cvsignore
@@ -0,0 +1,3 @@
+bootparse.c
+bootstrap_tokens.h
+bootscanner.c
diff --git a/src/pl/plpgsql/src/.cvsignore b/src/pl/plpgsql/src/.cvsignore
new file mode 100644
index 0000000000..8625a9b634
--- /dev/null
+++ b/src/pl/plpgsql/src/.cvsignore
@@ -0,0 +1,3 @@
+pl_gram.c
+pl.tab.h
+pl_scan.c