diff --git a/Documentation/dontdiff b/Documentation/dontdiff
index b4a898f..39462cf 100644
--- a/Documentation/dontdiff
+++ b/Documentation/dontdiff
@@ -150,7 +150,6 @@
 ksym.c*
 ksym.h*
 kxgettext
-lkc_defs.h
 lex.c
 lex.*.c
 linux
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index ee120d4..be603c4 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -7,7 +7,6 @@
 *.tab.h
 zconf.hash.c
 *.moc
-lkc_defs.h
 gconf.glade.h
 *.pot
 *.mo