diff --git a/lib/obp60task/OBP60Extensions.cpp b/lib/obp60task/OBP60Extensions.cpp
index 461410e..9ce33d5 100644
--- a/lib/obp60task/OBP60Extensions.cpp
+++ b/lib/obp60task/OBP60Extensions.cpp
@@ -81,8 +81,8 @@ void hardwareInit()
     FastLED.addLeds<WS2812B, OBP_BACKLIGHT_LED, GRB>(backlight, NUM_BACKLIGHT_LED);
 
     // Init PCF8574 digital outputs
-    Wire.setClock(I2C_SPEED);       // Set I2C clock on 10 kHz
     if(pcf8574_Out.begin()){        // Initialize PCF8574
+        Wire.setClock(I2C_SPEED);   // Set I2C clock on 10 kHz
         pcf8574_Out.write8(255);    // Clear all outputs
     }
 }
diff --git a/lib/obp60task/obp60task.cpp b/lib/obp60task/obp60task.cpp
index 2eef518..d21ed68 100644
--- a/lib/obp60task/obp60task.cpp
+++ b/lib/obp60task/obp60task.cpp
@@ -3,7 +3,6 @@
 #include "Pagedata.h"                   // Data exchange for pages
 #include "OBP60Hardware.h"              // PIN definitions
 #include <Wire.h>                       // I2C connections
-#include <RTClib.h>                     // DS1388 RTC
 #include <MCP23017.h>                   // MCP23017 extension Port
 #include <N2kTypes.h>                   // NMEA2000
 #include <N2kMessages.h>
@@ -24,9 +23,6 @@
 #include "OBP60QRWiFi.h"                // Functions lib for WiFi QR code
 #include "OBPSensorTask.h"              // Functions lib for sensor data
 
-// RTC DS1388
-RTC_DS1388 ds1388;
-
 // Global vars
 bool initComplete = false;      // Initialization complete
 int taskRunCounter = 0;         // Task couter for loop section