diff --git a/hdd1.wav b/hdd1.wav
deleted file mode 100644
index 0a1952c..0000000
Binary files a/hdd1.wav and /dev/null differ
diff --git a/hdd2.wav b/hdd2.wav
deleted file mode 100644
index 729956f..0000000
Binary files a/hdd2.wav and /dev/null differ
diff --git a/hdd3.wav b/hdd3.wav
deleted file mode 100644
index 870dbd6..0000000
Binary files a/hdd3.wav and /dev/null differ
diff --git a/hdd4.wav b/hdd4.wav
deleted file mode 100644
index 3b1ba51..0000000
Binary files a/hdd4.wav and /dev/null differ