diff --git a/._References.md b/._References.md deleted file mode 100644 index 0903d00..0000000 Binary files a/._References.md and /dev/null differ diff --git a/2_knn/._knn_classification_EN.ipynb b/2_knn/._knn_classification_EN.ipynb deleted file mode 100644 index bd13c52..0000000 Binary files a/2_knn/._knn_classification_EN.ipynb and /dev/null differ