diff --git a/applications/lofar2/designs/lofar2_unb2c_sdp_station/src/vhdl/qsys_lofar2_unb2c_sdp_station_pkg.vhd b/applications/lofar2/designs/lofar2_unb2c_sdp_station/src/vhdl/qsys_lofar2_unb2c_sdp_station_pkg.vhd
index 5f95999222335e13f45a19374c59139c3a1157c9..e5039901bcfa3c14f105a79359457870a1b78726 100644
--- a/applications/lofar2/designs/lofar2_unb2c_sdp_station/src/vhdl/qsys_lofar2_unb2c_sdp_station_pkg.vhd
+++ b/applications/lofar2/designs/lofar2_unb2c_sdp_station/src/vhdl/qsys_lofar2_unb2c_sdp_station_pkg.vhd
@@ -364,13 +364,6 @@ PACKAGE qsys_lofar2_unb2c_sdp_station_pkg IS
             reg_si_reset_export                       : out std_logic;                                        -- export
             reg_si_write_export                       : out std_logic;                                        -- export
             reg_si_writedata_export                   : out std_logic_vector(31 downto 0);                    -- export
-            reg_unb_pmbus_address_export              : out std_logic_vector(5 downto 0);                     -- export
-            reg_unb_pmbus_clk_export                  : out std_logic;                                        -- export
-            reg_unb_pmbus_read_export                 : out std_logic;                                        -- export
-            reg_unb_pmbus_readdata_export             : in  std_logic_vector(31 downto 0) := (others => 'X'); -- export
-            reg_unb_pmbus_reset_export                : out std_logic;                                        -- export
-            reg_unb_pmbus_write_export                : out std_logic;                                        -- export
-            reg_unb_pmbus_writedata_export            : out std_logic_vector(31 downto 0);                    -- export
             reg_wdi_address_export                    : out std_logic_vector(0 downto 0);                     -- export
             reg_wdi_clk_export                        : out std_logic;                                        -- export
             reg_wdi_read_export                       : out std_logic;                                        -- export
diff --git a/boards/uniboard2c/libraries/unb2c_board/src/vhdl/unb2c_board_pkg.vhd b/boards/uniboard2c/libraries/unb2c_board/src/vhdl/unb2c_board_pkg.vhd
index c1f11f58f56538a4a4b099d3430e97820a0324b5..8f17511208291533bb10c6f4aa93d6a47eea6f18 100644
--- a/boards/uniboard2c/libraries/unb2c_board/src/vhdl/unb2c_board_pkg.vhd
+++ b/boards/uniboard2c/libraries/unb2c_board/src/vhdl/unb2c_board_pkg.vhd
@@ -75,7 +75,10 @@ PACKAGE unb2c_board_pkg IS
   CONSTANT c_unb2c_board_tr_ring              : t_c_unb2c_board_tr := (2, 12, 0); -- per node: 2 buses with 12 channels
   CONSTANT c_unb2c_board_tr_qsfp              : t_c_unb2c_board_tr := (6, 4,  0); -- per node: 6 buses with 4 channels
   CONSTANT c_unb2c_board_tr_jesd204b          : t_c_unb2c_board_tr := (1, 12, 0); -- per node: 1 buses with 12 channels
-  CONSTANT c_unb2c_board_nof_sync_jesd204b    : NATURAL := 12; -- FIXME: should be 8;  -- 8 SYNC lines for 12 channels 
+  CONSTANT c_unb2c_board_nof_tr_jesd204b      : NATURAL := 6;  --Only 6 channels used in unb2b lab tests
+  CONSTANT c_unb2c_board_start_tr_jesd204b    : NATURAL := 42; --First transceiver used in unb2b lab tests
+  CONSTANT c_unb2c_board_nof_sync_jesd204b    : NATURAL := 2;  --Only 6 channels used in unb2b lab tests
+  --CONSTANT c_unb2c_board_nof_sync_jesd204b    : NATURAL := 12; -- FIXME: should be 8;  -- 8 SYNC lines for 12 channels 
   CONSTANT c_unb2c_board_tr_qsfp_nof_leds     : NATURAL := c_unb2c_board_tr_qsfp.nof_bus * 2; -- 2 leds per qsfp