diff --git a/ambe_audio.py b/ambe_audio.py
index 7dff76f..f24d5a7 100755
--- a/ambe_audio.py
+++ b/ambe_audio.py
@@ -202,8 +202,6 @@ class ambeIPSC(IPSC):
             elif _newSlot == 2:
                 _burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
             _frame = _frame[:30] + _burst_data_type + _frame[31:]
-
-        _frame = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _frame)
         
         if (time() - self._busy_slots[_newSlot]) >= 0.10 :          # slot is not busy so it is safe to transmit
             # Send the packet to all peers in the target IPSC
diff --git a/play_group.py b/play_group.py
index 33fb86d..db6ba4c 100755
--- a/play_group.py
+++ b/play_group.py
@@ -118,8 +118,7 @@ class playIPSC(IPSC):
                     elif _ts == 1:
                         _burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
                     _tmp_data = _tmp_data[:30] + _burst_data_type + _tmp_data[31:]
-                
-                _tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
+
                 # Send the packet to all peers in the target IPSC
                 self.send_to_ipsc(_tmp_data)
                 time.sleep(0.06)
diff --git a/playback.py b/playback.py
index 3d075c1..6b3e000 100755
--- a/playback.py
+++ b/playback.py
@@ -65,7 +65,6 @@ class playbackIPSC(IPSC):
                         _tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
                         if GROUP_SRC_SUB:
                             _tmp_data = _tmp_data.replace(_src_sub, HEX_GRP_SUB)
-                        _tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
                         # Send the packet to all peers in the target IPSC
                         self.send_to_ipsc(_tmp_data)
                         time.sleep(0.06)
@@ -92,7 +91,6 @@ class playbackIPSC(IPSC):
                         _tmp_data = _tmp_data.replace(_dst_sub, BOGUS_SUB)
                         _tmp_data = _tmp_data.replace(_src_sub, _orig_dst)
                         _tmp_data = _tmp_data.replace(BOGUS_SUB, _orig_src)
-                        _tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
                         # Send the packet to all peers in the target IPSC
                         self.send_to_ipsc(_tmp_data)
                         time.sleep(0.06)