diff --git a/src/boot.sh b/src/boot.sh
index 8a76634..750f51f 100644
--- a/src/boot.sh
+++ b/src/boot.sh
@@ -58,7 +58,7 @@ if [[ "${BOOT_MODE,,}" != "legacy" ]]; then
 
     BOOT_OPTS="$BOOT_OPTS -chardev socket,id=chrtpm,path=/dev/shm/tpm/swtpm-sock"
     BOOT_OPTS="$BOOT_OPTS -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis,tpmdev=tpm0"
-    BOOT_OPTS="$BOOT_OPTS -no-hpet -global kvm-pit.lost_tick_policy=discard -global ICH9-LPC.disable_s3=1"
+    BOOT_OPTS="$BOOT_OPTS -global kvm-pit.lost_tick_policy=discard -global ICH9-LPC.disable_s3=1"
 
     mkdir -p /dev/shm/tpm
     swtpm socket -t -d --tpmstate dir=/dev/shm/tpm --ctrl type=unixio,path=/dev/shm/tpm/swtpm-sock --tpm2
diff --git a/src/install.sh b/src/install.sh
index cec7d56..d8e3923 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -16,14 +16,6 @@ BASE="boot.img"
 [ ! -f "$STORAGE/$BASE" ] && BASE="boot.ISO"
 [ ! -f "$STORAGE/$BASE" ] && BASE="BOOT.IMG"
 [ ! -f "$STORAGE/$BASE" ] && BASE="BOOT.ISO"
-[ ! -f "$STORAGE/$BASE" ] && BASE="custom.iso"
-[ ! -f "$STORAGE/$BASE" ] && BASE="custom.img"
-[ ! -f "$STORAGE/$BASE" ] && BASE="Custom.iso"
-[ ! -f "$STORAGE/$BASE" ] && BASE="Custom.img"
-[ ! -f "$STORAGE/$BASE" ] && BASE="custom.ISO"
-[ ! -f "$STORAGE/$BASE" ] && BASE="custom.IMG"
-[ ! -f "$STORAGE/$BASE" ] && BASE="CUSTOM.ISO"
-[ ! -f "$STORAGE/$BASE" ] && BASE="CUSTOM.IMG"
 
 [ -f "$STORAGE/$BASE" ] && return 0