diff --git a/.gitignore b/.gitignore
index 5ca6fdea..b2c210c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,13 +56,5 @@ docs/_build/
 # PyBuilder
 target/
 
-# Executables
-dosplot
-kgen
-optics
-bandplot
-bandgen
-bandstats
-
 # Rope project settings
 .ropeproject
diff --git a/tests/data/Cs2SnI6/optics/vasprun.xml.gz b/tests/data/Cs2SnI6/optics/vasprun.xml.gz
new file mode 100644
index 00000000..c22443e9
Binary files /dev/null and b/tests/data/Cs2SnI6/optics/vasprun.xml.gz differ