diff --git a/tortoise/fields/__init__.py b/tortoise/fields/__init__.py
index 0552b1297..abca8e215 100644
--- a/tortoise/fields/__init__.py
+++ b/tortoise/fields/__init__.py
@@ -62,7 +62,6 @@
     "IntField",
     "JSONField",
     "SmallIntField",
-    "SmallIntField",
     "TextField",
     "TimeDeltaField",
     "UUIDField",