diff --git a/llmage/init.py b/llmage/init.py
index 2a87caa..e84d897 100644
--- a/llmage/init.py
+++ b/llmage/init.py
@@ -1,5 +1,4 @@
 import asyncio
-from appPublic.base64_to_file import hex2base64
 from appPublic.registerfunction import RegisterFunction
 from ahserver.serverenv import ServerEnv
 from ahserver.configuredServer import add_cleanupctx
@@ -12,7 +11,6 @@ from .utils import (
 )
 
 from .llmclient import (
-	b64media2url,
 	get_llm, 
 	inference_generator,
 	inference, 
@@ -51,8 +49,6 @@ def load_llmage():
 	env.get_asynctask_status = get_asynctask_status
 	env.query_task_status = query_task_status
 	env.get_llm = get_llm
-	env.b64media2url = b64media2url
-	env.hex2base64 = hex2base64
 	env.inference = inference
 	env.inference_generator = inference_generator
 	env.get_llms_by_catelog = get_llms_by_catelog
diff --git a/llmage/utils.py b/llmage/utils.py
index 88ac0b0..6a5b6e8 100644
--- a/llmage/utils.py
+++ b/llmage/utils.py
@@ -9,38 +9,10 @@ from appPublic.log import debug, exception, error
 from appPublic.uniqueID import getID
 from appPublic.dictObject import DictObject
 from appPublic.timeUtils import curDateString, timestampstr
-from appPublic.base64_to_file import base64_to_file, getFilenameFromBase64
 from uapi.appapi import UAPI, sor_get_callerid, sor_get_uapi
 from ahserver.serverenv import get_serverenv, ServerEnv
 from ahserver.filestorage import FileStorage
 
-def b64media2url(request, mediafile):
-	# env = request._run_ns
-	# entire_url = env.entire_url
-	env = ServerEnv()
-	if request:
-		entire_url = request._run_ns.entire_url
-	if mediafile.startswith('data:'):
-		try:
-			fs = FileStorage()
-			fname = getFilenameFromBase64(mediafile)
-			fpath = fs._name2path(fname)
-			base64_to_file(mediafile, fpath)
-			path = fs.webpath(fpath)
-			return entire_url('/idfile?path=') + env.quote(path)
-		except Exception as e:
-			e = Exception(f'{e}\n{format_exc()}')
-			exception(f'{e}')
-			return ''
-	elif len(mediafile) > 8000:
-		e = Exception(f'mediafile is not a media file')
-		exception(f'{e}')
-		return ''
-	if mediafile.startswith('http://') or mediafile.startswith('https://'):
-		return mediafile
-	url = entire_url('/idfile?path=') + env.quote(mediafile)
-	return url
-
 async def llm_query_orders(userorgid, page, pagerows=80):
 	env = ServerEnv()
 	async with get_sor_context(env, 'llmage') as sor: