diff --git a/devicemodel/samples/up2/sos_bootargs_debug.txt b/devicemodel/samples/up2/sos_bootargs_debug.txt
index 48082e3c4..541160295 100644
--- a/devicemodel/samples/up2/sos_bootargs_debug.txt
+++ b/devicemodel/samples/up2/sos_bootargs_debug.txt
@@ -6,7 +6,6 @@ loglevel=7
 consoleblank=0
 root=/dev/mmcblk0p1 rw rootwait
 i915.nuclear_pageflip=1
-i915.enable_initial_modeset=1
 i915.avail_planes_per_pipe=0x01010F
 i915.domain_plane_owners=0x011111110000
 i915.enable_gvt=1
diff --git a/devicemodel/samples/up2/sos_bootargs_release.txt b/devicemodel/samples/up2/sos_bootargs_release.txt
index 5b2f4b867..eaf23e8d5 100644
--- a/devicemodel/samples/up2/sos_bootargs_release.txt
+++ b/devicemodel/samples/up2/sos_bootargs_release.txt
@@ -6,7 +6,6 @@ loglevel=7
 consoleblank=0
 root=/dev/mmcblk0p1 rw rootwait
 i915.nuclear_pageflip=1
-i915.enable_initial_modeset=1
 i915.avail_planes_per_pipe=0x01010F
 i915.domain_plane_owners=0x011111110000
 i915.enable_gvt=1