diff --git a/src/flask/cli.py b/src/flask/cli.py
index 7b1af5fd..0d101d0a 100644
--- a/src/flask/cli.py
+++ b/src/flask/cli.py
@@ -22,7 +22,7 @@ from .helpers import get_load_dotenv
 try:
     import dotenv
 except ImportError:
-    dotenv = None  # type: ignore
+    dotenv = None
 
 try:
     import ssl