diff --git a/data/Sub_littoral_coarse_release.xlsx b/data/Sub_littoral_coarse_release.xlsx
deleted file mode 100644
index dcac389..0000000
Binary files a/data/Sub_littoral_coarse_release.xlsx and /dev/null differ
diff --git a/data/Sub_littoral_sand_BA_release_HML.xlsx b/data/Sub_littoral_sand_BA_release_HML.xlsx
deleted file mode 100644
index 644a790..0000000
Binary files a/data/Sub_littoral_sand_BA_release_HML.xlsx and /dev/null differ
diff --git a/data/Sub_littoral_sand_release_HML.xlsx b/data/Sub_littoral_sand_release_HML.xlsx
deleted file mode 100644
index cc21c3a..0000000
Binary files a/data/Sub_littoral_sand_release_HML.xlsx and /dev/null differ