diff --git a/testhal/STM32F37x/ADC/Makefile b/testhal/STM32F37x/ADC/Makefile
index 782a3b3d7..684302ce4 100644
--- a/testhal/STM32F37x/ADC/Makefile
+++ b/testhal/STM32F37x/ADC/Makefile
@@ -114,7 +114,6 @@ ASMSRC = $(PORTASM)
 
 INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
          $(HALINC) $(PLATFORMINC) $(BOARDINC) \
-         $(CHIBIOS)/os/various/devices_lib/accel \
          $(CHIBIOS)/os/various
 
 #