1 files changed, 0 insertions, 33 deletions

diff --git a/quantum/quantum.h b/quantum/quantum.h
index 7c2dcaa82..7c546b515 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -200,39 +200,6 @@ extern layer_state_t layer_state;
 #    include "usbpd.h"
 #endif
 
-// Function substitutions to ease GPIO manipulation
-#if defined(__AVR__)
-
-/*   The AVR series GPIOs have a one clock read delay for changes in the digital input signal.
- *   But here's more margin to make it two clocks. */
-#    if !defined(GPIO_INPUT_PIN_DELAY)
-#        define GPIO_INPUT_PIN_DELAY 2
-#    endif
-#    define waitInputPinDelay() wait_cpuclock(GPIO_INPUT_PIN_DELAY)
-
-#elif defined(__ARMEL__) || defined(__ARMEB__)
-
-/* For GPIOs on ARM-based MCUs, the input pins are sampled by the clock of the bus
- * to which the GPIO is connected.
- * The connected buses differ depending on the various series of MCUs.
- * And since the instruction execution clock of the CPU and the bus clock of GPIO are different,
- * there is a delay of several clocks to read the change of the input signal.
- *
- * Define this delay with the GPIO_INPUT_PIN_DELAY macro.
- * If the GPIO_INPUT_PIN_DELAY macro is not defined, the following default values will be used.
- * (A fairly large value of 0.25 microseconds is set.)
- */
-#    if !defined(GPIO_INPUT_PIN_DELAY)
-#        if defined(STM32_SYSCLK)
-#            define GPIO_INPUT_PIN_DELAY (STM32_SYSCLK / 1000000L / 4)
-#        elif defined(KINETIS_SYSCLK_FREQUENCY)
-#            define GPIO_INPUT_PIN_DELAY (KINETIS_SYSCLK_FREQUENCY / 1000000L / 4)
-#        endif
-#    endif
-#    define waitInputPinDelay() wait_cpuclock(GPIO_INPUT_PIN_DELAY)
-
-#endif
-
 // For tri-layer
 void          update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
 layer_state_t update_tri_layer_state(layer_state_t state, uint8_t layer1, uint8_t layer2, uint8_t layer3);