diff --git a/1-presentation/CoEC_Interactive High-Performance Computing with JupyterLab.pptx b/1-presentation/CoEC_Interactive High-Performance Computing with JupyterLab.pptx
deleted file mode 100644
index 4fe11191fb91f608c6da1c8f0b8e32d3aea69dd2..0000000000000000000000000000000000000000
Binary files a/1-presentation/CoEC_Interactive High-Performance Computing with JupyterLab.pptx and /dev/null differ
diff --git a/2-handson/CoEC_Interactive High-Performance Computing with JupyterLab__handson.pptx b/2-handson/CoEC_Interactive High-Performance Computing with JupyterLab__handson.pptx
deleted file mode 100644
index 4dc0595f10906bb7d7d6b4da174228e69f765772..0000000000000000000000000000000000000000
Binary files a/2-handson/CoEC_Interactive High-Performance Computing with JupyterLab__handson.pptx and /dev/null differ