diff --git a/libraries/base/common/hdllib.cfg b/libraries/base/common/hdllib.cfg
index 68770a1367549ddc65e0d3b502733a1d65f85429..97391edb729ba964887124dab26b03248be6f8f8 100644
--- a/libraries/base/common/hdllib.cfg
+++ b/libraries/base/common/hdllib.cfg
@@ -23,7 +23,7 @@ synth_files =
     $UNB/Firmware/modules/MegaWizard/arith/dsp_mult_add4.vhd
     $UNB/Firmware/modules/MegaWizard/arith/dsp_complex_mult.vhd
     
-    $UNB/Firmware/modules/common/src/ip/MegaWizard/iobuf_in.vhd
+    #$UNB/Firmware/modules/common/src/ip/MegaWizard/iobuf_in.vhd
     
     $UNB/Firmware/modules/common/src/vhdl/common_async.vhd
     $UNB/Firmware/modules/common/src/vhdl/common_async_slv.vhd
@@ -53,8 +53,8 @@ synth_files =
     src/vhdl/common_ddio_out.vhd
     
     $UNB/Firmware/modules/common/src/vhdl/common_wideband_data_scope.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_iobuf_in.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_iobuf_in_a_stratix4.vhd
+    #$UNB/Firmware/modules/common/src/vhdl/common_iobuf_in.vhd
+    #$UNB/Firmware/modules/common/src/vhdl/common_iobuf_in_a_stratix4.vhd
     $UNB/Firmware/modules/common/src/vhdl/common_inout.vhd
     $UNB/Firmware/modules/common/src/vhdl/common_fanout.vhd
     $UNB/Firmware/modules/common/src/vhdl/common_fanout_tree.vhd
@@ -177,7 +177,7 @@ test_bench_files =
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_fifo_dc_mixed_widths.vhd
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_fifo_rd.vhd
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_flank_to_pulse.vhd
-    $UNB/Firmware/modules/common/tb/vhdl/tb_common_iobuf_in.vhd
+    #$UNB/Firmware/modules/common/tb/vhdl/tb_common_iobuf_in.vhd
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_init.vhd
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_int2float.vhd
     $UNB/Firmware/modules/common/tb/vhdl/tb_common_mem_mux.vhd