diff --git a/bin/Points.class b/bin/Points.class
index e376714..0e69398 100644
Binary files a/bin/Points.class and b/bin/Points.class differ
diff --git a/src/App.class b/src/App.class
deleted file mode 100644
index cdc4b8e..0000000
Binary files a/src/App.class and /dev/null differ
diff --git a/src/Co2Data.class b/src/Co2Data.class
deleted file mode 100644
index 837102d..0000000
Binary files a/src/Co2Data.class and /dev/null differ
diff --git a/src/Date.class b/src/Date.class
deleted file mode 100644
index c1b075c..0000000
Binary files a/src/Date.class and /dev/null differ
diff --git a/src/Points.class b/src/Points.class
deleted file mode 100644
index 1cef499..0000000
Binary files a/src/Points.class and /dev/null differ
diff --git a/src/Teacher.class b/src/Teacher.class
deleted file mode 100644
index e24047f..0000000
Binary files a/src/Teacher.class and /dev/null differ