diff --git a/bluetooth/1.0/default/hci_protocol.cc b/bluetooth/1.0/default/hci_protocol.cc
index cd709b43ff..bb1e36ba53 100644
--- a/bluetooth/1.0/default/hci_protocol.cc
+++ b/bluetooth/1.0/default/hci_protocol.cc
@@ -22,23 +22,6 @@
 #include <fcntl.h>
 #include <utils/Log.h>
 
-namespace {
-
-const size_t preamble_size_for_type[] = {
-    0, HCI_COMMAND_PREAMBLE_SIZE, HCI_ACL_PREAMBLE_SIZE, HCI_SCO_PREAMBLE_SIZE,
-    HCI_EVENT_PREAMBLE_SIZE};
-const size_t packet_length_offset_for_type[] = {
-    0, HCI_LENGTH_OFFSET_CMD, HCI_LENGTH_OFFSET_ACL, HCI_LENGTH_OFFSET_SCO,
-    HCI_LENGTH_OFFSET_EVT};
-
-size_t HciGetPacketLengthForType(HciPacketType type, const uint8_t* preamble) {
-  size_t offset = packet_length_offset_for_type[type];
-  if (type != HCI_PACKET_TYPE_ACL_DATA) return preamble[offset];
-  return (((preamble[offset + 1]) << 8) | preamble[offset]);
-}
-
-}  // namespace
-
 namespace android {
 namespace hardware {
 namespace bluetooth {
diff --git a/bluetooth/1.0/default/test/mct_protocol_unittest.cc b/bluetooth/1.0/default/test/mct_protocol_unittest.cc
index 5751a5e394..0a6e9ebc4a 100644
--- a/bluetooth/1.0/default/test/mct_protocol_unittest.cc
+++ b/bluetooth/1.0/default/test/mct_protocol_unittest.cc
@@ -41,11 +41,8 @@ using hci::MctProtocol;
 
 static char sample_data1[100] = "A point is that which has no part.";
 static char sample_data2[100] = "A line is breadthless length.";
-static char sample_data3[100] = "The ends of a line are points.";
 static char acl_data[100] =
     "A straight line is a line which lies evenly with the points on itself.";
-static char sco_data[100] =
-    "A surface is that which has length and breadth only.";
 static char event_data[100] = "The edges of a surface are lines.";
 
 MATCHER_P3(HidlVecMatches, preamble, preamble_length, payload, "") {