diff --git a/libraries/io/tr_nonbonded/src/vhdl/tr_nonbonded.vhd b/libraries/io/tr_nonbonded/src/vhdl/tr_nonbonded.vhd
index 2245c27063c3737607dc69f2dabaa7ad8ab6cb25..827fca955a709b18f20919ca4cc41758842569e5 100644
--- a/libraries/io/tr_nonbonded/src/vhdl/tr_nonbonded.vhd
+++ b/libraries/io/tr_nonbonded/src/vhdl/tr_nonbonded.vhd
@@ -21,9 +21,8 @@
 --------------------------------------------------------------------------------
 
 LIBRARY IEEE, common_lib, dp_lib, technology_lib, tech_transceiver_lib;
-USE IEEE.STD_LOGIC_1164.ALL;
-USE IEEE.STD_LOGIC_UNSIGNED.ALL;
-USE IEEE.NUMERIC_STD.ALL;
+USE IEEE.std_logic_1164.ALL;
+USE IEEE.numeric_std.ALL;
 USE common_lib.common_pkg.ALL;
 USE dp_lib.dp_stream_pkg.ALL;
 USE technology_lib.technology_select_pkg.ALL;
diff --git a/libraries/technology/transceiver/sim_transceiver_deserializer.vhd b/libraries/technology/transceiver/sim_transceiver_deserializer.vhd
index 7b8582740b252dfdef45ac428f5c9a236429cfbc..8080af02c149539561c5374f98a851438f2e647e 100644
--- a/libraries/technology/transceiver/sim_transceiver_deserializer.vhd
+++ b/libraries/technology/transceiver/sim_transceiver_deserializer.vhd
@@ -28,8 +28,7 @@
 
 
 LIBRARY IEEE, common_lib;
-USE IEEE.STD_LOGIC_1164.ALL;
-USE IEEE.STD_LOGIC_UNSIGNED.ALL;
+USE IEEE.std_logic_1164.ALL;
 USE common_lib.common_pkg.ALL;
 
 ENTITY sim_transceiver_deserializer IS 
diff --git a/libraries/technology/transceiver/sim_transceiver_gx.vhd b/libraries/technology/transceiver/sim_transceiver_gx.vhd
index 5c53913c1fa4d62e888294a235846215d0946fad..820b78a6ba6064de4b3798059858766d7406cb68 100644
--- a/libraries/technology/transceiver/sim_transceiver_gx.vhd
+++ b/libraries/technology/transceiver/sim_transceiver_gx.vhd
@@ -28,8 +28,7 @@
 --   None
 
 LIBRARY IEEE, common_lib, dp_lib;
-USE IEEE.STD_LOGIC_1164.ALL;
-USE IEEE.STD_LOGIC_UNSIGNED.ALL;
+USE IEEE.std_logic_1164.ALL;
 USE common_lib.common_pkg.ALL;
 USE dp_lib.dp_stream_pkg.ALL;
 
diff --git a/libraries/technology/transceiver/sim_transceiver_serializer.vhd b/libraries/technology/transceiver/sim_transceiver_serializer.vhd
index 237c626b148a8875b6aa4d2207dbe4a634c7b2c8..4d8598b1ab391811c22c412317c3bf48989620b5 100644
--- a/libraries/technology/transceiver/sim_transceiver_serializer.vhd
+++ b/libraries/technology/transceiver/sim_transceiver_serializer.vhd
@@ -68,8 +68,7 @@
 
 
 LIBRARY IEEE, common_lib;
-USE IEEE.STD_LOGIC_1164.ALL;
-USE IEEE.STD_LOGIC_UNSIGNED.ALL;
+USE IEEE.std_logic_1164.ALL;
 USE common_lib.common_pkg.ALL;
 
 ENTITY sim_transceiver_serializer IS 
diff --git a/libraries/technology/transceiver/tech_transceiver_gx_stratixiv.vhd b/libraries/technology/transceiver/tech_transceiver_gx_stratixiv.vhd
index e6425c1414b042af494791423229bfa396b8d3e7..cbac04991a7a85f33539c20623abe40da7eb31f7 100644
--- a/libraries/technology/transceiver/tech_transceiver_gx_stratixiv.vhd
+++ b/libraries/technology/transceiver/tech_transceiver_gx_stratixiv.vhd
@@ -24,8 +24,7 @@
 LIBRARY ip_stratixiv_transceiver_lib;
 
 LIBRARY IEEE, common_lib, dp_lib;
-USE IEEE.STD_LOGIC_1164.ALL;
-USE IEEE.STD_LOGIC_UNSIGNED.ALL;
+USE IEEE.std_logic_1164.ALL;
 USE work.tech_transceiver_component_pkg.ALL;
 USE common_lib.common_pkg.ALL;
 USE dp_lib.dp_stream_pkg.ALL;