diff --git a/os/hal/ports/AT32/AT32F415/at32_isr.h b/os/hal/ports/AT32/AT32F415/at32_isr.h
index bfc4aa7cda..277b402f45 100644
--- a/os/hal/ports/AT32/AT32F415/at32_isr.h
+++ b/os/hal/ports/AT32/AT32F415/at32_isr.h
@@ -210,15 +210,6 @@
 #define AT32_TMR4_NUMBER             30
 #define AT32_TMR5_NUMBER             50
 
-/* Aliases.*/
-#define AT32_TMR9_HANDLER            VectorA0
-#define AT32_TMR10_HANDLER           VectorA4
-#define AT32_TMR11_HANDLER           VectorA8
-
-#define AT32_TMR9_NUMBER             24
-#define AT32_TMR10_NUMBER            25
-#define AT32_TMR11_NUMBER            26
-
 /*
  * USART units.
  */