diff --git a/libraries/base/common/hdllib.cfg b/libraries/base/common/hdllib.cfg
index 7f0c5746eee56cf89b73c61a172453692842f6b3..f672e093c5704ffc9b199d74d73a917b0038de0e 100644
--- a/libraries/base/common/hdllib.cfg
+++ b/libraries/base/common/hdllib.cfg
@@ -1,6 +1,6 @@
 hdl_lib_name = common
 hdl_library_clause_name = common_lib
-hdl_lib_uses_synth = technology tech_memory tech_fifo tech_iobuf tech_mult tst
+hdl_lib_uses_synth = technology tech_memory tech_fifo tech_iobuf tst
 hdl_lib_uses_sim = 
 
 hdl_lib_technology = 
@@ -18,9 +18,6 @@ synth_files =
     
     $UNB/Firmware/modules/MegaWizard/arith/lut_add_sub.vhd
     $UNB/Firmware/modules/MegaWizard/arith/dsp_add_sub.vhd
-    $UNB/Firmware/modules/MegaWizard/arith/dsp_mult_add2.vhd
-    $UNB/Firmware/modules/MegaWizard/arith/dsp_mult_add4.vhd
-    #$UNB/Firmware/modules/MegaWizard/arith/dsp_complex_mult.vhd
     
     #src/ip/MegaWizard/iobuf_in.vhd
     
@@ -107,22 +104,6 @@ synth_files =
     src/vhdl/common_adder_tree_a_str.vhd
     src/vhdl/common_operation.vhd
     src/vhdl/common_operation_tree.vhd
-    src/vhdl/common_mult.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_a_stratix4.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_a_rtl.vhd
-    src/vhdl/common_mult_add2.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_add2_a_stratix4.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_add2_a_rtl_stratix4.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_add2_a_rtl.vhd
-    src/vhdl/common_mult_add4.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_add4_a_stratix4.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_mult_add4_a_rtl.vhd
-    src/vhdl/common_complex_mult.vhd
-    #$UNB/Firmware/modules/common/src/vhdl/common_complex_mult_a_stratix4.vhd
-    #$UNB/Firmware/modules/common/src/vhdl/common_complex_mult_a_str_stratix4.vhd
-    src/vhdl/common_complex_mult_add.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_complex_mult_add_parallel.vhd
-    $UNB/Firmware/modules/common/src/vhdl/common_complex_mult_add_pipeline.vhd
     
     src/vhdl/common_rl_decrease.vhd
     src/vhdl/common_rl_increase.vhd
@@ -168,9 +149,6 @@ test_bench_files =
     tb/vhdl/tb_common_adder_tree.vhd
     tb/vhdl/tb_common_async.vhd
     tb/vhdl/tb_common_clock_phase_detector.vhd
-    tb/vhdl/tb_common_complex_mult.vhd
-    tb/vhdl/tb_common_complex_mult_add_parallel.vhd
-    tb/vhdl/tb_common_complex_mult_add_pipeline.vhd
     tb/vhdl/tb_common_counter.vhd
     tb/vhdl/tb_common_ddreg.vhd
     tb/vhdl/tb_common_debounce.vhd
@@ -184,8 +162,6 @@ test_bench_files =
     tb/vhdl/tb_common_int2float.vhd
     tb/vhdl/tb_common_led_controller.vhd
     tb/vhdl/tb_common_mem_mux.vhd
-    tb/vhdl/tb_common_mult.vhd
-    tb/vhdl/tb_common_mult_add2.vhd
     tb/vhdl/tb_common_multiplexer.vhd
     tb/vhdl/tb_common_operation_tree.vhd
     tb/vhdl/tb_common_paged_ram_crw_crw.vhd
@@ -214,7 +190,6 @@ test_bench_files =
     tb/vhdl/tb_tb_common_add_sub.vhd
     tb/vhdl/tb_tb_common_adder_tree.vhd
     tb/vhdl/tb_tb_common_fanout_tree.vhd
-    tb/vhdl/tb_tb_common_mult.vhd
     tb/vhdl/tb_tb_common_multiplexer.vhd
     tb/vhdl/tb_tb_common_operation_tree.vhd
     tb/vhdl/tb_tb_common_paged_ram_ww_rr.vhd