diff --git a/src/burn/drv/pre90s/d_coleco.cpp b/src/burn/drv/coleco/d_coleco.cpp
similarity index 100%
rename from src/burn/drv/pre90s/d_coleco.cpp
rename to src/burn/drv/coleco/d_coleco.cpp
diff --git a/src/burn/drv/pre90s/d_sg1000.cpp b/src/burn/drv/sg1000/d_sg1000.cpp
similarity index 100%
rename from src/burn/drv/pre90s/d_sg1000.cpp
rename to src/burn/drv/sg1000/d_sg1000.cpp