diff --git a/inc/display.h b/inc/display.h
--- a/inc/display.h
+++ b/inc/display.h
@@ -7,7 +7,7 @@
 #include "max31865.h"
 #endif
 
-void display_startup_screen();
-void display_process(therm_status_t* status);
+void display_startup_screen(void);
+void display_process(void);
 
 #endif