Thats right, the current version of the Arduino Uno has the seperate SCL and SDA pins as well as the A4 and A5 pins so I thought i'd also have these connections as well even though they are in fact connected together. I.E. A4 = SDA and A5 = SCL.
Here's the Arduino Uno R3 Schematic:
https://www.arduino.cc/en/uploads/Main/Arduino_Uno_Rev3-schematic.pdf