Deleting features with identical table attributes in QGIS?

How do I delete features with identical table attributes in QGIS?

For example, if I had 4 rows, and 3 columns, where I wanted to delete identical features based on 2 columns:

1|A|m

2|A|m

3|A|p

4|B|m

I want it to be reduced to only 1 feature for each identical set of attributes:

1|A|m

3|A|p

4|B|m

In ArcGIS Desktop, this is a simple tool shown below called Delete Identical, where I can select one or more columns at the same time. I use this tool all the time, am switching to QGIS.