diff --git a/quantum/config_common.h b/quantum/config_common.h
index 6b525fe1c..21960f1a0 100644
--- a/quantum/config_common.h
+++ b/quantum/config_common.h
@@ -78,49 +78,3 @@
 #       error "USART configuration is needed."
 #   endif
 #endif
-
-/*
- * PS/2 Interrupt configuration
- */
-#ifdef PS2_USE_INT
-/* uses INT1 for clock line(ATMega32U4) */
-#define PS2_CLOCK_PORT  PORTD
-#define PS2_CLOCK_PIN   PIND
-#define PS2_CLOCK_DDR   DDRD
-#define PS2_CLOCK_BIT   1
-
-#define PS2_DATA_PORT   PORTD
-#define PS2_DATA_PIN    PIND
-#define PS2_DATA_DDR    DDRD
-#define PS2_DATA_BIT    0
-
-#define PS2_INT_INIT()  do {    \
-    EICRA |= ((1<<ISC11) |      \
-              (0<<ISC10));      \
-} while (0)
-#define PS2_INT_ON()  do {      \
-    EIMSK |= (1<<INT1);         \
-} while (0)
-#define PS2_INT_OFF() do {      \
-    EIMSK &= ~(1<<INT1);        \
-} while (0)
-#define PS2_INT_VECT    INT1_vect
-#endif
-
-/*
- * PS/2 Busywait configuration
- */
-#ifdef PS2_USE_BUSYWAIT
-#define PS2_CLOCK_PORT  PORTD
-#define PS2_CLOCK_PIN   PIND
-#define PS2_CLOCK_DDR   DDRD
-#define PS2_CLOCK_BIT   1
-
-#define PS2_DATA_PORT   PORTD
-#define PS2_DATA_PIN    PIND
-#define PS2_DATA_DDR    DDRD
-#define PS2_DATA_BIT    0
-#endif
-
-#endif
-