diff --git a/firmware/export/system.h b/firmware/export/system.h
index 2f6ceb3c22..dc3853211b 100644
--- a/firmware/export/system.h
+++ b/firmware/export/system.h
@@ -35,8 +35,6 @@ struct flash_header {
     char version[32];
 };
 
-void UIE(unsigned int pc, unsigned int num);
-
 bool detect_flashed_romimage(void);
 bool detect_flashed_ramimage(void);
 bool detect_original_firmware(void);
diff --git a/firmware/system.c b/firmware/system.c
index 389ecea80a..7163468cf6 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -233,18 +233,12 @@ static const char* const uiename[] = {
     "Divide by zero"
 };
 
-int bla(int arg)
-{
-    return arg+1;
-}
-
 /* Unexpected Interrupt or Exception handler. Currently only deals with
    exceptions, but will deal with interrupts later.
  */
 void UIE(unsigned int pc, unsigned int num) __attribute__((noreturn));
 void UIE(unsigned int pc, unsigned int num)
 {
-#warning got here
     char str[32];
 
     lcd_clear_display();