diff --git a/code/espurna/config/prototypes.h b/code/espurna/config/prototypes.h
index 0646bde2..8ccfe132 100644
--- a/code/espurna/config/prototypes.h
+++ b/code/espurna/config/prototypes.h
@@ -56,29 +56,27 @@ bool gpioReleaseLock(unsigned char gpio);
 // -----------------------------------------------------------------------------
 // I2C
 // -----------------------------------------------------------------------------
-#if I2C_SUPPORT
-    void i2cScan();
-    void i2cClearBus();
-    bool i2cGetLock(unsigned char address);
-    bool i2cReleaseLock(unsigned char address);
-    unsigned char i2cFindAndLock(size_t size, unsigned char * addresses);
-
-    void i2c_wakeup(uint8_t address);
-    uint8_t i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len);
-    uint8_t i2c_write_uint8(uint8_t address, uint8_t value);
-    uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value);
-    uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value1, uint8_t value2);
-    uint8_t i2c_write_uint16(uint8_t address, uint16_t value);
-    uint8_t i2c_write_uint16(uint8_t address, uint8_t reg, uint16_t value);
-    uint8_t i2c_read_uint8(uint8_t address);
-    uint8_t i2c_read_uint8(uint8_t address, uint8_t reg);
-    uint16_t i2c_read_uint16(uint8_t address);
-    uint16_t i2c_read_uint16(uint8_t address, uint8_t reg);
-    uint16_t i2c_read_uint16_le(uint8_t address, uint8_t reg);
-    int16_t i2c_read_int16(uint8_t address, uint8_t reg);
-    int16_t i2c_read_int16_le(uint8_t address, uint8_t reg);
-    void i2c_read_buffer(uint8_t address, uint8_t * buffer, size_t len);
-#endif
+void i2cScan();
+void i2cClearBus();
+bool i2cGetLock(unsigned char address);
+bool i2cReleaseLock(unsigned char address);
+unsigned char i2cFindAndLock(size_t size, unsigned char * addresses);
+
+void i2c_wakeup(uint8_t address);
+uint8_t i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len);
+uint8_t i2c_write_uint8(uint8_t address, uint8_t value);
+uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value);
+uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value1, uint8_t value2);
+uint8_t i2c_write_uint16(uint8_t address, uint16_t value);
+uint8_t i2c_write_uint16(uint8_t address, uint8_t reg, uint16_t value);
+uint8_t i2c_read_uint8(uint8_t address);
+uint8_t i2c_read_uint8(uint8_t address, uint8_t reg);
+uint16_t i2c_read_uint16(uint8_t address);
+uint16_t i2c_read_uint16(uint8_t address, uint8_t reg);
+uint16_t i2c_read_uint16_le(uint8_t address, uint8_t reg);
+int16_t i2c_read_int16(uint8_t address, uint8_t reg);
+int16_t i2c_read_int16_le(uint8_t address, uint8_t reg);
+void i2c_read_buffer(uint8_t address, uint8_t * buffer, size_t len);
 
 // -----------------------------------------------------------------------------
 // MQTT