diff --git a/img/qr_code_71.jpg b/img/qr_code_71.jpg
deleted file mode 100644
index 78828f7b..00000000
Binary files a/img/qr_code_71.jpg and /dev/null differ
diff --git a/img/qr_code_72.jpg b/img/qr_code_72.jpg
deleted file mode 100644
index 10a504b0..00000000
Binary files a/img/qr_code_72.jpg and /dev/null differ
diff --git a/img/qr_code_73.jpg b/img/qr_code_73.jpg
deleted file mode 100644
index 3e5ec45a..00000000
Binary files a/img/qr_code_73.jpg and /dev/null differ
diff --git a/img/qr_code_74.jpg b/img/qr_code_74.jpg
deleted file mode 100644
index 1f665f65..00000000
Binary files a/img/qr_code_74.jpg and /dev/null differ
diff --git a/img/qr_code_75.jpg b/img/qr_code_75.jpg
deleted file mode 100644
index d458decb..00000000
Binary files a/img/qr_code_75.jpg and /dev/null differ