diff --git a/build_helpers/build_helpers.py b/build_helpers/build_helpers.py
index bd43111bdb..a805fae72a 100644
--- a/build_helpers/build_helpers.py
+++ b/build_helpers/build_helpers.py
@@ -164,7 +164,7 @@ def run(self) -> None:  # type: ignore
 
 class SDistCommand(sdist.sdist):
     def run(self) -> None:
-        if not self.dry_run:  # type: ignore
+        if not self.dry_run:
             self.run_command("clean")
             run_antlr(self)
         sdist.sdist.run(self)