diff --git a/hal/phydm/phydm_hwconfig.c b/hal/phydm/phydm_hwconfig.c
index e866075..69d3490 100644
--- a/hal/phydm/phydm_hwconfig.c
+++ b/hal/phydm/phydm_hwconfig.c
@@ -31,8 +31,6 @@
 #include "phydm_precomp.h"
 
 #define READ_AND_CONFIG_MP(ic, txt) (odm_read_and_config_mp_##ic##txt(dm))
-#define READ_AND_CONFIG_TC(ic, txt) (odm_read_and_config_tc_##ic##txt(dm))
-
 
 #define READ_AND_CONFIG     READ_AND_CONFIG_MP
 
diff --git a/include/osdep_service.h b/include/osdep_service.h
index 442f0a7..2bccd40 100644
--- a/include/osdep_service.h
+++ b/include/osdep_service.h
@@ -15,6 +15,10 @@
 #ifndef __OSDEP_SERVICE_H_
 #define __OSDEP_SERVICE_H_
 
+#include <linux/version.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
+#include <linux/sched/signal.h>
+#endif
 
 #define _FAIL					0
 #define _SUCCESS				1