diff --git a/audio/Bluetooth_cal.acdb b/audio/Bluetooth_cal.acdb
deleted file mode 100644
index 102c5c9..0000000
--- a/audio/Bluetooth_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/General_cal.acdb b/audio/General_cal.acdb
deleted file mode 100644
index 61a4eea..0000000
--- a/audio/General_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/Global_cal.acdb b/audio/Global_cal.acdb
deleted file mode 100644
index e756dec..0000000
--- a/audio/Global_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/Handset_cal.acdb b/audio/Handset_cal.acdb
deleted file mode 100644
index aef5b68..0000000
--- a/audio/Handset_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/Hdmi_cal.acdb b/audio/Hdmi_cal.acdb
deleted file mode 100644
index 8b16778..0000000
--- a/audio/Hdmi_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/Headset_cal.acdb b/audio/Headset_cal.acdb
deleted file mode 100644
index cfbbb83..0000000
--- a/audio/Headset_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/audio/Speaker_cal.acdb b/audio/Speaker_cal.acdb
deleted file mode 100644
index 2531775..0000000
--- a/audio/Speaker_cal.acdb
+++ /dev/null
Binary files differ
diff --git a/device.mk b/device.mk
index fc604b7..06bb92f 100644
--- a/device.mk
+++ b/device.mk
@@ -11,13 +11,6 @@
 
 # Audio configuration
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/audio/Bluetooth_cal.acdb:system/etc/Bluetooth_cal.acdb \
-	$(LOCAL_PATH)/audio/General_cal.acdb:system/etc/General_cal.acdb \
-	$(LOCAL_PATH)/audio/Global_cal.acdb:system/etc/Global_cal.acdb \
-	$(LOCAL_PATH)/audio/Handset_cal.acdb:system/etc/Handset_cal.acdb \
-	$(LOCAL_PATH)/audio/Hdmi_cal.acdb:system/etc/Hdmi_cal.acdb \
-	$(LOCAL_PATH)/audio/Headset_cal.acdb:system/etc/Headset_cal.acdb \
-	$(LOCAL_PATH)/audio/Speaker_cal.acdb:system/etc/Speaker_cal.acdb \
 	$(LOCAL_PATH)/audio/mixer_paths.xml:system/etc/mixer_paths.xml
 
 # Media configurations