diff --git a/Arduino/BTCDieselHeater/pins.h b/Arduino/BTCDieselHeater/pins.h
index 19a7c33..bf99f69 100644
--- a/Arduino/BTCDieselHeater/pins.h
+++ b/Arduino/BTCDieselHeater/pins.h
@@ -1,8 +1,5 @@
 #include <stdint.h>
 
-#define NEW_LAYOUT
-
-#ifdef NEW_LAYOUT
 const uint8_t LED_Pin = 2;
 const uint8_t HC05_KeyPin = 4;
 const uint8_t TxEnbPin = 5;
@@ -29,27 +26,3 @@ const uint8_t pin35 = 35;            // input only, no chip pullup
 const uint8_t ListenOnlyPin = 36;    // input only, no chip pullup
 const uint8_t WiFi_TriggerPin = 39;  // input only, no chip pullup
 
-#else
-// OLD pin outs - OBSOLETE
-
-const uint8_t LED_Pin = 2;
-const uint8_t HC05_SensePin = 4;
-const uint8_t DS18B20_Pin = 5;
-const uint8_t OLED_MISO_pin = 12;   // HSPI std pins
-const uint8_t OLED_MOSI_pin = 13;   //  "
-const uint8_t OLED_CLK_pin = 14;    //  "
-const uint8_t HC05_KeyPin = 15;
-const uint8_t Tx2Pin = 16;
-const uint8_t Rx2Pin = 17;
-const uint8_t Tx1Pin = 18;
-const uint8_t Rx1Pin = 19;
-const uint8_t OLED_SDA = 21;        // I2C std pins
-const uint8_t OLED_SCK = 22;        //  "
-const uint8_t TxEnbPin = 22;
-const uint8_t OLED_DC_pin = 26;
-const uint8_t OLED_CS_pin = 27;
-
-const uint8_t ListenOnlyPin = 36;    
-const uint8_t WiFi_TriggerPin = 39;  
-
-#endif