diff --git a/conf/build.manifest b/conf/build.manifest
index 53aedef..d7134ee 100644
--- a/conf/build.manifest
+++ b/conf/build.manifest
@@ -312,17 +312,10 @@ iso-packages:
 - curl
 - bzip2
 - linux-image-truenas-production-amd64
-- dialog
 - iproute2
-- jq
 - live-boot
-- truenas-installer
-- parted
 - pciutils
-- python3-libzfs
-- python3-licenselib
-- python3-pyudev
-- setserial
+- python3-truenas-installer
 - udhcpc
 - vim-tiny
 
diff --git a/conf/cd-files/root/.bash_profile b/conf/cd-files/root/.bash_profile
index 7b7ae2f..280187a 100755
--- a/conf/cd-files/root/.bash_profile
+++ b/conf/cd-files/root/.bash_profile
@@ -2,7 +2,7 @@
 
 if [ -f /cdrom/TrueNAS-SCALE.update ];
 then
-    until /sbin/truenas-install; do true; done
+    until /usr/bin/python3 -m truenas_installer; do true; done
 else
     read -p "No installation media found. Press enter to reboot..." answer
     reboot
diff --git a/truenas_install/__main__.py b/truenas_install/__main__.py
index 692c989..8c03e76 100644
--- a/truenas_install/__main__.py
+++ b/truenas_install/__main__.py
@@ -27,22 +27,15 @@ RE_UNSQUASHFS_PROGRESS = re.compile(r"\[.+]\s+(?P<extracted>[0-9]+)/(?P<total>[0
 run_kw = dict(check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding="utf-8", errors="ignore")
 
 IS_FREEBSD = platform.system().upper() == "FREEBSD"
-is_json_output = False
 
 
 def write_progress(progress, message):
-    if is_json_output:
-        sys.stdout.write(json.dumps({"progress": progress, "message": message}) + "\n")
-    else:
-        sys.stdout.write(f"[{int(progress * 100)}%] {message}\n")
+    sys.stdout.write(json.dumps({"progress": progress, "message": message}) + "\n")
     sys.stdout.flush()
 
 
 def write_error(error, raise_=False, prefix="Error: "):
-    if is_json_output:
-        sys.stdout.write(json.dumps({"error": error}) + "\n")
-    else:
-        sys.stdout.write(f"{prefix}{error}\n")
+    sys.stdout.write(json.dumps({"error": error}) + "\n")
     sys.stdout.flush()
 
     if raise_:
@@ -242,12 +235,8 @@ def precheck(old_root):
 
 
 def main():
-    global is_json_output
-
     input = json.loads(sys.stdin.read())
 
-    if input.get("json"):
-        is_json_output = True
     old_root = input.get("old_root", None)
 
     if IS_FREEBSD: