diff --git a/components/display/display.c b/components/display/display.c
index e4ef8026..0069ac39 100644
--- a/components/display/display.c
+++ b/components/display/display.c
@@ -400,7 +400,7 @@ const char *display_conf_get_driver_name(char * driver){
 /****************************************************************************************
  *
  */
-char * display_get_supported_drivers(){
+char * display_get_supported_drivers(void){
 	int total_size = 1;
 	char * supported_drivers=NULL;
 	const char * separator = "|";
diff --git a/components/display/display.h b/components/display/display.h
index d5eeab97..dff354ca 100644
--- a/components/display/display.h
+++ b/components/display/display.h
@@ -39,4 +39,4 @@ void displayer_scroll(char *string, int speed, int pause);
 void displayer_control(enum displayer_cmd_e cmd, ...);
 void displayer_metadata(char *artist, char *album, char *title);
 void displayer_timer(enum displayer_time_e mode, int elapsed, int duration);
-char * display_get_supported_drivers();
+char * display_get_supported_drivers(void);
diff --git a/components/services/CMakeLists.txt b/components/services/CMakeLists.txt
index f49dd5d3..23b4b943 100644
--- a/components/services/CMakeLists.txt
+++ b/components/services/CMakeLists.txt
@@ -1,6 +1,6 @@
 idf_component_register(SRC_DIRS .
-						INCLUDE_DIRS . ${IDF_PATH}/components/driver
-						REQUIRES json tools platform_config display 
+						INCLUDE_DIRS . 
+						REQUIRES json tools platform_config display
 
 )