diff --git a/.gitignore b/.gitignore
index f8f72f54b..a67ff3f50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@
 *.elf
 *.zip
 *.d
+*.o
+*.e
 *.ihex
 *.pyc
 *~
@@ -30,6 +32,7 @@ COOJA.testlog
 *.nrf52dk
 *.openmote-cc2538
 *.sky
+*.firmware
 *.srf06-cc26xx
 *.zoul