diff --git a/src/interfaces/ecpg/preproc/.gitignore b/src/interfaces/ecpg/preproc/.gitignore
index 6fca9aff590..5b5077d5872 100644
--- a/src/interfaces/ecpg/preproc/.gitignore
+++ b/src/interfaces/ecpg/preproc/.gitignore
@@ -1,7 +1,4 @@
-/preproc.y
 /preproc.c
 /preproc.h
 /pgc.c
-
 /ecpg
-/kwlookup.c