diff --git a/src/emu/cpu/avr8/avr8.c b/src/emu/cpu/avr8/avr8.c
index 97d055d2a61..a0aacacc3d5 100644
--- a/src/emu/cpu/avr8/avr8.c
+++ b/src/emu/cpu/avr8/avr8.c
@@ -1158,7 +1158,7 @@ void avr8_device::timer_tick(int cycles)
 //TODO  UINT8 int0[2] = { AVR8_INTIDX_OCF0A, AVR8_INTIDX_OCF0B };
 
 #define LOG_TIMER_0 0
-#define LOG_TIMER_5 1
+#define LOG_TIMER_5 0
 // Timer 0 Handling
 void avr8_device::timer0_tick()
 {
@@ -1905,8 +1905,10 @@ void avr8_device::timer5_tick()
 	case WGM5_CTC_ICR:
 	case WGM5_FAST_PWM_ICR:
 	case WGM5_FAST_PWM_OCR:
-		printf("Unimplemented timer#5 waveform generation mode: WGMM5=0x%02X\n", AVR8_WGM5);
-		break;
+#if LOG_TIMER_5
+	        printf("Unimplemented timer#5 waveform generation mode: AVR8_WGM5 = 0x%02X\n", AVR8_WGM5);
+#endif
+	        break;
 
 		case WGM5_CTC_OCR:
 		//TODO: verify this! Can be very wrong!!!