diff --git a/lib/CPUs/MIPS/sim/hello.flash.bin b/lib/CPUs/MIPS/sim/hello.flash.bin
deleted file mode 100644
index cd652ef..0000000
Binary files a/lib/CPUs/MIPS/sim/hello.flash.bin and /dev/null differ
diff --git a/lib/CPUs/MIPS/sim/tb_mips_top.fdo b/lib/CPUs/MIPS/sim/tb_mips_top.fdo
index 1f1298b..c7305f5 100644
--- a/lib/CPUs/MIPS/sim/tb_mips_top.fdo
+++ b/lib/CPUs/MIPS/sim/tb_mips_top.fdo
@@ -5,9 +5,6 @@ vlib work
 # RAMS
 vcom -explicit  -93 "../../../rams/dpram_2w2r2c_ra_sim.vhd"
 vcom -explicit  -93 "../../../rams/dpram_1w1r2c_ra_sim.vhd"
-vcom -explicit  -93 "../../../rams/dpram_2w2r2c_ro_sim.vhd"
-vcom -explicit  -93 "../../../rams/dpram_1w1r2c_ro_sim.vhd"
-
 
 # FIFOS
 vcom -explicit  -93 "../../../FIFO/src/fifo_ctrl_pkg.vhd"
@@ -18,11 +15,8 @@ vcom -explicit  -93 "../../../FIFO/src/fifo_async_ctrl.vhd"
 vcom -explicit  -93 "../../../FIFO/src/fifo_async.vhd"
 
 # UART
-#vcom -explicit  -93 "../../../uart/bbfifo_16x8.vhd"
-#vcom -explicit  -93 "../../../uart/kcuart_rx.vhd"
-#vcom -explicit  -93 "../../../uart/kcuart_tx.vhd"
-#vcom -explicit  -93 "../../../uart/uart_rx.vhd"
-#vcom -explicit  -93 "../../../uart/uart_tx.vhd"
+vcom -explicit  -93 "../../../uart/uart_rx_sim.vhd"
+vcom -explicit  -93 "../../../uart/uart_tx_sim.vhd"
 vcom -explicit  -93 "../../../uart/uart_wb.vhd"
 
 # GPIO
diff --git a/lib/CPUs/MIPS/src/tb_mips_top.vhd b/lib/CPUs/MIPS/src/tb_mips_top.vhd
index 3426f40..ef5ef2a 100644
--- a/lib/CPUs/MIPS/src/tb_mips_top.vhd
+++ b/lib/CPUs/MIPS/src/tb_mips_top.vhd
@@ -328,10 +328,6 @@ inst_sram_port : entity work.async_port_wb
 	);
 
 inst_uart : entity work.uart_wb
-	GENERIC MAP
-	(
-		simulate_tx		=> true
-	)
 	PORT MAP
 	(
 		CLK_I			=> clk,
@@ -399,8 +395,6 @@ SRAM_WRITE:
 FLASH_READ:
 	process(rst, flash_cs_n, flash_oe_n, flash_a)
 	type file_t is file of integer;
---	file load_flash : file_t open read_mode is "ucb.elf.flash.bin";
---	file load_flash : file_t open read_mode is "test_timer.elf.flash.bin";
 	file load_flash : file_t open read_mode is "hello.elf.flash.bin";
 	variable instr : integer;
 	variable index : natural;