diff --git a/hw/top_earlgrey/dv/top_earlgrey_sim_cfgs.hjson b/hw/top_earlgrey/dv/top_earlgrey_sim_cfgs.hjson
index 3ff15c5..fd31d1d 100644
--- a/hw/top_earlgrey/dv/top_earlgrey_sim_cfgs.hjson
+++ b/hw/top_earlgrey/dv/top_earlgrey_sim_cfgs.hjson
@@ -12,29 +12,33 @@
 
   flow: sim
 
-  use_cfgs: ["{proj_root}/hw/ip/aes/dv/aes_sim_cfg.hjson",
-             "{proj_root}/hw/ip/entropy_src/dv/entropy_src_sim_cfg.hjson",
+  // Maintain alphabetical order below.
+  use_cfgs: [// IPs.
+             "{proj_root}/hw/ip/aes/dv/aes_sim_cfg.hjson",
              "{proj_root}/hw/ip/csrng/dv/csrng_sim_cfg.hjson",
+             "{proj_root}/hw/ip/entropy_src/dv/entropy_src_sim_cfg.hjson",
              "{proj_root}/hw/ip/flash_ctrl/dv/flash_ctrl_sim_cfg.hjson",
              "{proj_root}/hw/ip/gpio/dv/gpio_sim_cfg.hjson",
              "{proj_root}/hw/ip/hmac/dv/hmac_sim_cfg.hjson",
              "{proj_root}/hw/ip/i2c/dv/i2c_sim_cfg.hjson",
-             "{proj_root}/hw/ip/pattgen/dv/pattgen_sim_cfg.hjson",
              "{proj_root}/hw/ip/keymgr/dv/keymgr_sim_cfg.hjson",
              "{proj_root}/hw/ip/kmac/dv/kmac_masked_sim_cfg.hjson",
              "{proj_root}/hw/ip/kmac/dv/kmac_unmasked_sim_cfg.hjson",
              "{proj_root}/hw/ip/lc_ctrl/dv/lc_ctrl_sim_cfg.hjson",
-             "{proj_root}/hw/ip/otp_ctrl/dv/otp_ctrl_sim_cfg.hjson",
              "{proj_root}/hw/ip/otbn/dv/uvm/otbn_sim_cfg.hjson",
+             "{proj_root}/hw/ip/otp_ctrl/dv/otp_ctrl_sim_cfg.hjson",
+             "{proj_root}/hw/ip/pattgen/dv/pattgen_sim_cfg.hjson",
+             "{proj_root}/hw/ip/prim/dv/prim_lfsr/prim_lfsr_sim_cfg.hjson",
+             "{proj_root}/hw/ip/prim/dv/prim_present/prim_present_sim_cfg.hjson",
+             "{proj_root}/hw/ip/prim/dv/prim_prince/prim_prince_sim_cfg.hjson",
              "{proj_root}/hw/ip/rv_timer/dv/rv_timer_sim_cfg.hjson",
              "{proj_root}/hw/ip/spi_device/dv/spi_device_sim_cfg.hjson",
              "{proj_root}/hw/ip/uart/dv/uart_sim_cfg.hjson",
              "{proj_root}/hw/ip/usbdev/dv/usbdev_sim_cfg.hjson",
-             "{proj_root}/hw/ip/prim/dv/prim_present/prim_present_sim_cfg.hjson",
-             "{proj_root}/hw/ip/prim/dv/prim_lfsr/prim_lfsr_sim_cfg.hjson",
-             "{proj_root}/hw/ip/prim/dv/prim_prince/prim_prince_sim_cfg.hjson",
+             // Top level IPs.
              "{proj_root}/hw/top_earlgrey/ip/alert_handler/dv/alert_handler_sim_cfg.hjson",
              "{proj_root}/hw/top_earlgrey/ip/xbar_main/dv/autogen/xbar_main_sim_cfg.hjson",
              "{proj_root}/hw/top_earlgrey/ip/xbar_peri/dv/autogen/xbar_peri_sim_cfg.hjson",
+            // Top level.
              "{proj_root}/hw/top_earlgrey/dv/chip_sim_cfg.hjson"]
 }