diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index 1449cfb..4f035eb 100755
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -32,7 +32,7 @@
 
 #include "wiring_private.h"
 
-volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
+static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
 // volatile static voidFuncPtr twiIntFunc;
 
 void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
diff --git a/variants/leonardo/pins_arduino.h b/variants/leonardo/pins_arduino.h
index 15afb4e..5a15146 100644
--- a/variants/leonardo/pins_arduino.h
+++ b/variants/leonardo/pins_arduino.h
@@ -35,29 +35,29 @@
 #define RXLED0			PORTB |= (1<<0)
 #define RXLED1			PORTB &= ~(1<<0)
 
-const static uint8_t SDA = 2;
-const static uint8_t SCL = 3;
+static const uint8_t SDA = 2;
+static const uint8_t SCL = 3;
 
 // Map SPI port to 'new' pins D14..D17
-const static uint8_t SS   = 17;
-const static uint8_t MOSI = 16;
-const static uint8_t MISO = 14;
-const static uint8_t SCK  = 15;
+static const uint8_t SS   = 17;
+static const uint8_t MOSI = 16;
+static const uint8_t MISO = 14;
+static const uint8_t SCK  = 15;
 
 // Mapping of analog pins as digital I/O
 // A6-A11 share with digital pins
-const static uint8_t A0 = 18;
-const static uint8_t A1 = 19;
-const static uint8_t A2 = 20;
-const static uint8_t A3 = 21;
-const static uint8_t A4 = 22;
-const static uint8_t A5 = 23;
-const static uint8_t A6 = 24;	// D4
-const static uint8_t A7 = 25;	// D6
-const static uint8_t A8 = 26;	// D8
-const static uint8_t A9 = 27;	// D9
-const static uint8_t A10 = 28;	// D10
-const static uint8_t A11 = 29;	// D12
+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
 
 //	__AVR_ATmega32U4__ has an unusual mapping of pins to channels
 extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
diff --git a/variants/mega/pins_arduino.h b/variants/mega/pins_arduino.h
index 57ec97f..5a9b4cb 100644
--- a/variants/mega/pins_arduino.h
+++ b/variants/mega/pins_arduino.h
@@ -32,31 +32,31 @@
 #define analogInputToDigitalPin(p)  ((p < 16) ? (p) + 54 : -1)
 #define digitalPinHasPWM(p)         (((p) >= 2 && (p) <= 13) || ((p) >= 44 && (p)<= 46))
 
-const static uint8_t SS   = 53;
-const static uint8_t MOSI = 51;
-const static uint8_t MISO = 50;
-const static uint8_t SCK  = 52;
+static const uint8_t SS   = 53;
+static const uint8_t MOSI = 51;
+static const uint8_t MISO = 50;
+static const uint8_t SCK  = 52;
 
-const static uint8_t SDA = 20;
-const static uint8_t SCL = 21;
-const static uint8_t LED_BUILTIN = 13;
+static const uint8_t SDA = 20;
+static const uint8_t SCL = 21;
+static const uint8_t LED_BUILTIN = 13;
 
-const static uint8_t A0 = 54;
-const static uint8_t A1 = 55;
-const static uint8_t A2 = 56;
-const static uint8_t A3 = 57;
-const static uint8_t A4 = 58;
-const static uint8_t A5 = 59;
-const static uint8_t A6 = 60;
-const static uint8_t A7 = 61;
-const static uint8_t A8 = 62;
-const static uint8_t A9 = 63;
-const static uint8_t A10 = 64;
-const static uint8_t A11 = 65;
-const static uint8_t A12 = 66;
-const static uint8_t A13 = 67;
-const static uint8_t A14 = 68;
-const static uint8_t A15 = 69;
+static const uint8_t A0 = 54;
+static const uint8_t A1 = 55;
+static const uint8_t A2 = 56;
+static const uint8_t A3 = 57;
+static const uint8_t A4 = 58;
+static const uint8_t A5 = 59;
+static const uint8_t A6 = 60;
+static const uint8_t A7 = 61;
+static const uint8_t A8 = 62;
+static const uint8_t A9 = 63;
+static const uint8_t A10 = 64;
+static const uint8_t A11 = 65;
+static const uint8_t A12 = 66;
+static const uint8_t A13 = 67;
+static const uint8_t A14 = 68;
+static const uint8_t A15 = 69;
 
 // A majority of the pins are NOT PCINTs, SO BE WARNED (i.e. you cannot use them as receive pins)
 // Only pins available for RECEIVE (TRANSMIT can be on any pin):
diff --git a/variants/standard/pins_arduino.h b/variants/standard/pins_arduino.h
index 6e774d4..30b4266 100644
--- a/variants/standard/pins_arduino.h
+++ b/variants/standard/pins_arduino.h
@@ -37,23 +37,23 @@
 #define digitalPinHasPWM(p)         ((p) == 3 || (p) == 5 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 11)
 #endif
 
-const static uint8_t SS   = 10;
-const static uint8_t MOSI = 11;
-const static uint8_t MISO = 12;
-const static uint8_t SCK  = 13;
+static const uint8_t SS   = 10;
+static const uint8_t MOSI = 11;
+static const uint8_t MISO = 12;
+static const uint8_t SCK  = 13;
 
-const static uint8_t SDA = 18;
-const static uint8_t SCL = 19;
-const static uint8_t LED_BUILTIN = 13;
+static const uint8_t SDA = 18;
+static const uint8_t SCL = 19;
+static const uint8_t LED_BUILTIN = 13;
 
-const static uint8_t A0 = 14;
-const static uint8_t A1 = 15;
-const static uint8_t A2 = 16;
-const static uint8_t A3 = 17;
-const static uint8_t A4 = 18;
-const static uint8_t A5 = 19;
-const static uint8_t A6 = 20;
-const static uint8_t A7 = 21;
+static const uint8_t A0 = 14;
+static const uint8_t A1 = 15;
+static const uint8_t A2 = 16;
+static const uint8_t A3 = 17;
+static const uint8_t A4 = 18;
+static const uint8_t A5 = 19;
+static const uint8_t A6 = 20;
+static const uint8_t A7 = 21;
 
 #define digitalPinToPCICR(p)    (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0))
 #define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1))
@@ -215,4 +215,4 @@ const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
 
 #endif
 
-#endif
\ No newline at end of file
+#endif