diff --git a/.ycm_extra_conf.py b/.ycm_extra_conf.py
index fed5cd28a0..ce7bd3b756 100644
--- a/.ycm_extra_conf.py
+++ b/.ycm_extra_conf.py
@@ -61,7 +61,6 @@ flags = [
 'c++',
 '-undef', # get rid of standard definitions to allow us to include arm math header
 '-I', os.path.join(os.path.expanduser("~"),'gcc-arm-none-eabi-4_7-2013q3/arm-none-eabi/include'),
-'-I', 'Build/px4io-v1_default.build/nuttx-export/include/',
 '-I', 'Build/px4io-v2_default.build/nuttx-export/include/',
 '-I', './NuttX/nuttx/arch/arm/include',
 '-include', './src/include/visibility.h',