diff --git a/.gitignore b/.gitignore
index ee02b5004..4764e9f09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.gcno
 *.log
 *.o
+*.orig
 *.pyc
 *.trs
 *~
@@ -12,6 +13,7 @@
 .local-version
 aclocal.m4
 autom4te.cache
+build
 configure
 config.log
 config.status
@@ -22,4 +24,5 @@ include/openthread-config.h.in
 include/stamp-h1
 libtool
 Makefile
-Makefile.in
\ No newline at end of file
+Makefile.in
+output