I have a 2015 MacBook and need some help fixing the partitions. Here's the current partitions: El Capitan - Functioning Macintosh HD - This partition was erased (had Yosemite). And is now showing as a big blob of nothing Untitled - This partition is a big blog of nothing that I created in an attempt to fix my problems I created El Capitan to run the betas and created the untitled on accident trying to fix things. Macintosh HD is the original partition that Yosemite was installed on but is now just HD space with nothing on it. I want to get back to 1 partition. I am trying to delete the Untitled partition by clicking the Minus (-) but it gives me an error. "Media Kit reports not enough space on device for requested operation". How do I delete this untitled partition and how do I get back to one partition? The Macintosh HD partition does not have a minus present (probably since it's the main partition?).