diff --git a/Documentation/dontdiff b/Documentation/dontdiff
index b4a898f43c37e72d728c17013520e44f56c87a5d..39462cf35cd4fe946dd0f0f5668defddde60d3cf 100644
--- a/Documentation/dontdiff
+++ b/Documentation/dontdiff
@@ -150,7 +150,6 @@ keywords.c
 ksym.c*
 ksym.h*
 kxgettext
-lkc_defs.h
 lex.c
 lex.*.c
 linux
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index ee120d441565422f0a6283b55ab5258fb61de9e7..be603c4fef624669ea2bac84e1f41311713a8065 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -7,7 +7,6 @@ config*
 *.tab.h
 zconf.hash.c
 *.moc
-lkc_defs.h
 gconf.glade.h
 *.pot
 *.mo