diff --git a/STM32F1/cores/maple/wirish_types.h b/STM32F1/cores/maple/wirish_types.h
index 195cda8..14fb692 100644
--- a/STM32F1/cores/maple/wirish_types.h
+++ b/STM32F1/cores/maple/wirish_types.h
@@ -55,7 +55,6 @@ typedef struct stm32_pin_info {
     uint8 gpio_bit;             /**< Pin's GPIO port bit. */
     uint8 timer_channel;        /**< Timer channel, or 0 if none. */
     uint8 adc_channel;          /**< Pin ADC channel, or ADCx if none. */
-	uint8 pinMode; 				/**< mode specific by pinMode call (Roger Clark added to optimize compatibility with Arduino API*/
 } stm32_pin_info;
 
 /**
diff --git a/STM32F1/variants/generic_stm32f103r/board.cpp b/STM32F1/variants/generic_stm32f103r/board.cpp
index 3e3589c..891e4e9 100644
--- a/STM32F1/variants/generic_stm32f103r/board.cpp
+++ b/STM32F1/variants/generic_stm32f103r/board.cpp
@@ -78,7 +78,6 @@ extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
     uint8 gpio_bit;             Pin's GPIO port bit. 
     uint8 timer_channel;        Timer channel, or 0 if none. 
     uint8 adc_channel;          Pin ADC channel, or ADCx if none. 
-	uint8 pinMode; 				mode specific by pinMode call (Roger Clark added to optimize compatibility with Arduino API
 */
 
     {&gpioa, &timer2, &adc1,  0, 1,    0}, /* PA0 */
diff --git a/STM32F1/variants/generic_stm32f103z/board.cpp b/STM32F1/variants/generic_stm32f103z/board.cpp
index 830479e..500f9b8 100644
--- a/STM32F1/variants/generic_stm32f103z/board.cpp
+++ b/STM32F1/variants/generic_stm32f103z/board.cpp
@@ -77,7 +77,6 @@ extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
     uint8 gpio_bit;             Pin's GPIO port bit. 
     uint8 timer_channel;        Timer channel, or 0 if none. 
     uint8 adc_channel;          Pin ADC channel, or ADCx if none. 
-	uint8 pinMode; 				mode specific by pinMode call (Roger Clark added to optimize compatibility with Arduino API
 */
 
     {&gpioa, &timer2, &adc1,  0, 1,    0}, /* PA0 */
@@ -231,4 +230,4 @@ extern const uint8 boardUsedPins[BOARD_NR_USED_PINS] __FLASH__ = {
 	DEFINE_HWSERIAL(Serial2, 3);
 	DEFINE_HWSERIAL_UART(Serial3, 4);
 	DEFINE_HWSERIAL_UART(Serial4, 5);
-#endif
\ No newline at end of file
+#endif
diff --git a/STM32F1/variants/maple_ret6/board.cpp b/STM32F1/variants/maple_ret6/board.cpp
index fb92779..2b4e2e4 100644
--- a/STM32F1/variants/maple_ret6/board.cpp
+++ b/STM32F1/variants/maple_ret6/board.cpp
@@ -77,7 +77,6 @@ extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
     uint8 gpio_bit;             Pin's GPIO port bit. 
     uint8 timer_channel;        Timer channel, or 0 if none. 
     uint8 adc_channel;          Pin ADC channel, or ADCx if none. 
-	uint8 pinMode; 				mode specific by pinMode call (Roger Clark added to optimize compatibility with Arduino API
 */
 
 	/* Top header */
@@ -175,4 +174,4 @@ DEFINE_HWSERIAL(Serial1, 1);
 DEFINE_HWSERIAL(Serial2, 2);
 DEFINE_HWSERIAL(Serial3, 3);
 DEFINE_HWSERIAL_UART(Serial4, 4);
-DEFINE_HWSERIAL_UART(Serial5, 5);
\ No newline at end of file
+DEFINE_HWSERIAL_UART(Serial5, 5);