diff --git a/dell/precision/5530/default.nix b/dell/precision/5530/default.nix
index 52e0dd5..05e1d4a 100644
--- a/dell/precision/5530/default.nix
+++ b/dell/precision/5530/default.nix
@@ -7,16 +7,18 @@
     ../../../common/pc/laptop/ssd
   ];
 
-  # https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803179/comments/149
-  # fix lspci hanging with nouveau
   boot.kernelParams = [
+    # fix lspci hanging with nouveau
+    # source https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803179/comments/149
     "acpi_rev_override=1"
     "acpi_osi=Linux"
     "nouveau.modeset=0"
     "pcie_aspm=force"
     "drm.vblankoffdelay=1"
-    "scsi_mod.use_blk_mq=1"
     "nouveau.runpm=0"
     "mem_sleep_default=deep"
+    # fix flicker
+    # source https://wiki.archlinux.org/index.php/Intel_graphics#Screen_flickering
+    "i915.enable_psr=0"
   ];
 }