diff --git a/simulator/simulator/boards.h b/simulator/simulator/boards.h
index 53e1635947..87d3fa55bd 100644
--- a/simulator/simulator/boards.h
+++ b/simulator/simulator/boards.h
@@ -13,7 +13,7 @@
 // see SIM_SD1_PORT
 #define CONSOLE_PORT (&SD1)
 // see SIM_SD2_PORT
-#define TS_PRIMARY_SERIAL SD2
+//#define TS_PRIMARY_SERIAL SD2
 
 /**
  * This implementation writes to both windows console and console port
diff --git a/unit_tests/Makefile b/unit_tests/Makefile
index 9c847ab1b5..7e440bd9c4 100644
--- a/unit_tests/Makefile
+++ b/unit_tests/Makefile
@@ -50,7 +50,7 @@ CPPSRC += $(ALLCPPSRC) \
 	$(SYSTEMSRC_CPP) \
 	$(HW_LAYER_EMS_CPP) \
 	$(TUNERSTUDIO_SRC_CPP) \
-	$(HW_SENSORS_SRC) \
+	$(HW_SENSORS_CPP) \
 	$(TRIGGER_SRC_CPP) \
 	$(INIT_SRC_CPP) \
 	$(PROJECT_DIR)/../unit_tests/logicdata.cpp \