This define is no longer used.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/avr/cpu.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/target/avr/cpu.h b/target/avr/cpu.h
index 6f68060ab0..9862705c6a 100644
--- a/target/avr/cpu.h
+++ b/target/avr/cpu.h
@@ -45,8 +45,6 @@
 
 /* Number of CPU registers */
 #define NUMBER_OF_CPU_REGISTERS 32
-/* Number of IO registers accessible by ld/st/in/out */
-#define NUMBER_OF_IO_REGISTERS 64
 
 /* CPU registers mapped into i/o ports 0x38-0x3f. */
 #define REG_38_RAMPD  0
-- 
2.43.0