diff --git a/scripts/vivado.mk b/scripts/vivado.mk
index 0d69177..358973e 100644
--- a/scripts/vivado.mk
+++ b/scripts/vivado.mk
@@ -177,12 +177,9 @@ gen_ip:
 
 sim: $(PROJECT).xpr gen_ip
 	echo "open_project $(PROJECT).xpr" > run_sim.tcl
-	echo "add_files -fileset sim_1 $(TB_FILES)" >> run_sim.tcl
-	echo "set_property top $(SIM_TOP) [get_filesets sim_1]" >> run_sim.tcl
 	echo "update_compile_order -fileset sources_1" >> run_sim.tcl
 	echo "update_compile_order -fileset sim_1" >> run_sim.tcl
 	echo "launch_simulation" >> run_sim.tcl
-	echo "run all" >> run_sim.tcl
 	vivado -mode batch -source run_sim.tcl
 
 simclean: