diff --git a/stdlib/site.pyi b/stdlib/site.pyi
index e91176ac4..db7bbefcc 100644
--- a/stdlib/site.pyi
+++ b/stdlib/site.pyi
@@ -1,4 +1,3 @@
-import sys
 from typing import Iterable, List, Optional
 
 PREFIXES: List[str]
@@ -6,9 +5,7 @@ ENABLE_USER_SITE: Optional[bool]
 USER_SITE: Optional[str]
 USER_BASE: Optional[str]
 
-if sys.version_info < (3,):
-    def main() -> None: ...
-
+def main() -> None: ...
 def addsitedir(sitedir: str, known_paths: Optional[Iterable[str]] = ...) -> None: ...
 def getsitepackages(prefixes: Optional[Iterable[str]] = ...) -> List[str]: ...
 def getuserbase() -> str: ...