diff --git a/img/qr_code_36.jpg b/img/qr_code_36.jpg
deleted file mode 100644
index 9a39b61b..00000000
Binary files a/img/qr_code_36.jpg and /dev/null differ
diff --git a/img/qr_code_37.jpg b/img/qr_code_37.jpg
deleted file mode 100644
index eca46c15..00000000
Binary files a/img/qr_code_37.jpg and /dev/null differ
diff --git a/img/qr_code_38.jpg b/img/qr_code_38.jpg
deleted file mode 100644
index d35a8b77..00000000
Binary files a/img/qr_code_38.jpg and /dev/null differ