diff --git a/functions/ocr/app/config.json b/functions/ocr/app/config.json
deleted file mode 100644
index 63943ca6d75f..000000000000
--- a/functions/ocr/app/config.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "RESULT_TOPIC": "[YOUR_RESULT_TOPIC_NAME]",
-  "RESULT_BUCKET": "[YOUR_TEXT_BUCKET_NAME]",
-  "TRANSLATE_TOPIC": "[YOUR_TRANSLATE_TOPIC_NAME]",
-  "TRANSLATE": true,
-  "TO_LANG": ["en", "fr", "es", "ja", "ru"]
-}
\ No newline at end of file
diff --git a/functions/ocr/app/main.py b/functions/ocr/app/main.py
index 264497cac298..5e79e72249ff 100644
--- a/functions/ocr/app/main.py
+++ b/functions/ocr/app/main.py
@@ -18,7 +18,7 @@
 
 from google.cloud import pubsub_v1
 from google.cloud import storage
-from google.cloud import translate
+from google.cloud import translate_v2 as translate
 from google.cloud import vision
 
 vision_client = vision.ImageAnnotatorClient()
@@ -27,10 +27,6 @@
 storage_client = storage.Client()
 
 project_id = os.environ['GCP_PROJECT']
-
-with open('config.json') as f:
-    data = f.read()
-config = json.loads(data)
 # [END functions_ocr_setup]
 
 
@@ -55,10 +51,11 @@ def detect_text(bucket, filename):
     print('Detected language {} for text {}.'.format(src_lang, text))
 
     # Submit a message to the bus for each target language
-    for target_lang in config.get('TO_LANG', []):
-        topic_name = config['TRANSLATE_TOPIC']
+    to_langs = os.environ['TO_LANG'].split(',')
+    for target_lang in to_langs:
+        topic_name = os.environ['TRANSLATE_TOPIC']
         if src_lang == target_lang or src_lang == 'und':
-            topic_name = config['RESULT_TOPIC']
+            topic_name = os.environ['RESULT_TOPIC']
         message = {
             'text': text,
             'filename': filename,
@@ -120,7 +117,7 @@ def translate_text(event, context):
     translated_text = translate_client.translate(text,
                                                  target_language=target_lang,
                                                  source_language=src_lang)
-    topic_name = config['RESULT_TOPIC']
+    topic_name = os.environ['RESULT_TOPIC']
     message = {
         'text': translated_text['translatedText'],
         'filename': filename,
@@ -147,7 +144,7 @@ def save_result(event, context):
 
     print('Received request to save file {}.'.format(filename))
 
-    bucket_name = config['RESULT_BUCKET']
+    bucket_name = os.environ['RESULT_BUCKET']
     result_filename = '{}_{}.txt'.format(filename, lang)
     bucket = storage_client.get_bucket(bucket_name)
     blob = bucket.blob(result_filename)