diff --git a/stdlib/bdb.pyi b/stdlib/bdb.pyi
index 2a1fdddff..4db0577bf 100644
--- a/stdlib/bdb.pyi
+++ b/stdlib/bdb.pyi
@@ -50,11 +50,11 @@ class Bdb:
     def set_quit(self) -> None: ...
     def set_break(
         self, filename: str, lineno: int, temporary: bool = False, cond: str | None = None, funcname: str | None = None
-    ) -> None: ...
-    def clear_break(self, filename: str, lineno: int) -> None: ...
-    def clear_bpbynumber(self, arg: SupportsInt) -> None: ...
-    def clear_all_file_breaks(self, filename: str) -> None: ...
-    def clear_all_breaks(self) -> None: ...
+    ) -> str | None: ...
+    def clear_break(self, filename: str, lineno: int) -> str | None: ...
+    def clear_bpbynumber(self, arg: SupportsInt) -> str | None: ...
+    def clear_all_file_breaks(self, filename: str) -> str | None: ...
+    def clear_all_breaks(self) -> str | None: ...
     def get_bpbynumber(self, arg: SupportsInt) -> Breakpoint: ...
     def get_break(self, filename: str, lineno: int) -> bool: ...
     def get_breaks(self, filename: str, lineno: int) -> list[Breakpoint]: ...