diff --git a/FPGA_Quartus_13.1/firebee1.qsf b/FPGA_Quartus_13.1/firebee1.qsf
index 5e7140b..78c95fb 100644
--- a/FPGA_Quartus_13.1/firebee1.qsf
+++ b/FPGA_Quartus_13.1/firebee1.qsf
@@ -385,7 +385,6 @@ set_instance_assignment -name IO_STANDARD "2.5 V" -to nVCAS
 set_instance_assignment -name IO_STANDARD "2.5 V" -to nDDR_CLK
 set_instance_assignment -name IO_STANDARD "2.5 V" -to VCKE
 set_instance_assignment -name IO_STANDARD "2.5 V" -to LED_FPGA_OK
-set_global_assignment -name FITTER_AUTO_EFFORT_DESIRED_SLACK_MARGIN "0 ns"
 set_instance_assignment -name IO_STANDARD "2.5 V" -to BA
 set_instance_assignment -name IO_STANDARD "3.0-V LVTTL" -to HSYNC_PAD
 set_instance_assignment -name IO_STANDARD "3.0-V LVTTL" -to PIXEL_CLK_PAD
@@ -674,7 +673,7 @@ set_instance_assignment -name GLOBAL_SIGNAL "GLOBAL CLOCK" -to nDDR_CLK
 set_global_assignment -name VHDL_SHOW_LMF_MAPPING_MESSAGES OFF
 set_global_assignment -name OPTIMIZE_HOLD_TIMING "IO PATHS AND MINIMUM TPD PATHS"
 set_global_assignment -name OPTIMIZE_MULTI_CORNER_TIMING ON
-set_global_assignment -name AUTO_DELAY_CHAINS_FOR_HIGH_FANOUT_INPUT_PINS ON
+set_global_assignment -name AUTO_DELAY_CHAINS_FOR_HIGH_FANOUT_INPUT_PINS OFF
 set_global_assignment -name OPTIMIZE_FOR_METASTABILITY OFF
 set_global_assignment -name SDC_FILE firebee_groups.sdc
 set_global_assignment -name VHDL_FILE Video/video.vhd