diff --git a/Workshop4/MolCal_draft_3.pptx b/Workshop4/MolCal_draft_3.pptx
deleted file mode 100644
index ad4b3cfe0fddf498df17766b428dcc84def3c6e0..0000000000000000000000000000000000000000
Binary files a/Workshop4/MolCal_draft_3.pptx and /dev/null differ