diff --git a/api/db/providerkeys.py b/api/db/providerkeys.py
index a75b95f..4902d80 100644
--- a/api/db/providerkeys.py
+++ b/api/db/providerkeys.py
@@ -65,7 +65,7 @@ class KeyManager:
         for filename in await aiofiles.os.listdir(os.path.join('api', 'secret')):
             if filename.endswith('.txt'):
                 async with aiofiles.open(os.path.join('api', 'secret', 'filename')) as f:
-                    for line in await f.readlines():
+                    async for line in f:
                         if not line.strip():
                             continue
 
diff --git a/api/providers/__main__.py b/api/providers/__main__.py
index f61bb47..71b586f 100644
--- a/api/providers/__main__.py
+++ b/api/providers/__main__.py
@@ -5,9 +5,7 @@ from rich import print
 
 def remove_duplicate_keys(file):
     with open(file, 'r', encoding='utf8') as f:
-        lines = f.readlines()
-
-    unique_lines = set(lines)
+        unique_lines = set(f)
 
     with open(file, 'w', encoding='utf8') as f:
         f.writelines(unique_lines)