diff --git a/projects/ad469x_fmc/zed/system_bd.tcl b/projects/ad469x_fmc/zed/system_bd.tcl
index 7ae0ad128..bfba9a97a 100644
--- a/projects/ad469x_fmc/zed/system_bd.tcl
+++ b/projects/ad469x_fmc/zed/system_bd.tcl
@@ -21,5 +21,6 @@ source ../common/ad469x_bd.tcl
 ad_ip_parameter axi_sysid_0 CONFIG.ROM_ADDR_BITS 9
 ad_ip_parameter rom_sys_0 CONFIG.PATH_TO_FILE "[pwd]/mem_init_sys.txt"
 ad_ip_parameter rom_sys_0 CONFIG.ROM_ADDR_BITS 9
-set sys_cstring "sys rom custom string placeholder"
-sysid_gen_sys_init_file $sys_cstring
+
+sysid_gen_sys_init_file
+