diff --git a/keyboards/lets_split/pro_micro.h b/keyboards/lets_split/pro_micro.h
index 09e219b7..f9e7ed75 100644
--- a/keyboards/lets_split/pro_micro.h
+++ b/keyboards/lets_split/pro_micro.h
@@ -111,18 +111,18 @@ static const uint8_t SCK  = 15;
 
 // Mapping of analog pins as digital I/O
 // A6-A11 share with digital pins
-static const uint8_t A0 = 18;
-static const uint8_t A1 = 19;
-static const uint8_t A2 = 20;
-static const uint8_t A3 = 21;
-static const uint8_t A4 = 22;
-static const uint8_t A5 = 23;
-static const uint8_t A6 = 24;   // D4
-static const uint8_t A7 = 25;   // D6
-static const uint8_t A8 = 26;   // D8
-static const uint8_t A9 = 27;   // D9
-static const uint8_t A10 = 28;  // D10
-static const uint8_t A11 = 29;  // D12
+static const uint8_t ADC0 = 18;
+static const uint8_t ADC1 = 19;
+static const uint8_t ADC2 = 20;
+static const uint8_t ADC3 = 21;
+static const uint8_t ADC4 = 22;
+static const uint8_t ADC5 = 23;
+static const uint8_t ADC6 = 24;   // D4
+static const uint8_t ADC7 = 25;   // D6
+static const uint8_t ADC8 = 26;   // D8
+static const uint8_t ADC9 = 27;   // D9
+static const uint8_t ADC10 = 28;  // D10
+static const uint8_t ADC11 = 29;  // D12
 
 #define digitalPinToPCICR(p)    ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
 #define digitalPinToPCICRbit(p) 0
@@ -220,26 +220,26 @@ const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
     PC, // D5 - PC6
     PD, // D6 - PD7
     PE, // D7 - PE6
-    
+
     PB, // D8 - PB4
     PB, // D9 - PB5
     PB, // D10 - PB6
     PB, // D11 - PB7
     PD, // D12 - PD6
     PC, // D13 - PC7
-    
+
     PB, // D14 - MISO - PB3
     PB, // D15 - SCK - PB1
     PB, // D16 - MOSI - PB2
     PB, // D17 - SS - PB0
-    
+
     PF, // D18 - A0 - PF7
     PF, // D19 - A1 - PF6
     PF, // D20 - A2 - PF5
     PF, // D21 - A3 - PF4
     PF, // D22 - A4 - PF1
     PF, // D23 - A5 - PF0
-    
+
     PD, // D24 - PD5
     PD, // D25 / D6 - A7 - PD7
     PB, // D26 / D8 - A8 - PB4
@@ -257,26 +257,26 @@ const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
     _BV(6), // D5 - PC6
     _BV(7), // D6 - PD7
     _BV(6), // D7 - PE6
-    
+
     _BV(4), // D8 - PB4
     _BV(5), // D9 - PB5
     _BV(6), // D10 - PB6
     _BV(7), // D11 - PB7
     _BV(6), // D12 - PD6
     _BV(7), // D13 - PC7
-    
+
     _BV(3), // D14 - MISO - PB3
     _BV(1), // D15 - SCK - PB1
     _BV(2), // D16 - MOSI - PB2
     _BV(0), // D17 - SS - PB0
-    
+
     _BV(7), // D18 - A0 - PF7
     _BV(6), // D19 - A1 - PF6
     _BV(5), // D20 - A2 - PF5
     _BV(4), // D21 - A3 - PF4
     _BV(1), // D22 - A4 - PF1
     _BV(0), // D23 - A5 - PF0
-    
+
     _BV(5), // D24 - PD5
     _BV(7), // D25 / D6 - A7 - PD7
     _BV(4), // D26 / D8 - A8 - PB4
@@ -286,24 +286,24 @@ const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
 };
 
 const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
-    NOT_ON_TIMER,   
+    NOT_ON_TIMER,
     NOT_ON_TIMER,
     NOT_ON_TIMER,
     TIMER0B,        /* 3 */
     NOT_ON_TIMER,
     TIMER3A,        /* 5 */
     TIMER4D,        /* 6 */
-    NOT_ON_TIMER,   
-    
-    NOT_ON_TIMER,   
+    NOT_ON_TIMER,
+
+    NOT_ON_TIMER,
     TIMER1A,        /* 9 */
     TIMER1B,        /* 10 */
     TIMER0A,        /* 11 */
-    
-    NOT_ON_TIMER,   
+
+    NOT_ON_TIMER,
     TIMER4A,        /* 13 */
-    
-    NOT_ON_TIMER,   
+
+    NOT_ON_TIMER,
     NOT_ON_TIMER,
     NOT_ON_TIMER,
     NOT_ON_TIMER,
@@ -324,11 +324,11 @@ const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
 
 const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
     7,  // A0               PF7                 ADC7
-    6,  // A1               PF6                 ADC6    
-    5,  // A2               PF5                 ADC5    
+    6,  // A1               PF6                 ADC6
+    5,  // A2               PF5                 ADC5
     4,  // A3               PF4                 ADC4
-    1,  // A4               PF1                 ADC1    
-    0,  // A5               PF0                 ADC0    
+    1,  // A4               PF1                 ADC1
+    0,  // A5               PF0                 ADC0
     8,  // A6       D4      PD4                 ADC8
     10, // A7       D6      PD7                 ADC10
     11, // A8       D8      PB4                 ADC11