diff --git a/stdlib/2/compileall.pyi b/stdlib/2/compileall.pyi
index ca64eb523fae..28f079a5b2c2 100644
--- a/stdlib/2/compileall.pyi
+++ b/stdlib/2/compileall.pyi
@@ -5,6 +5,6 @@ from typing import Optional, Pattern, Union
 _Path = Union[str, bytes]
 
 # fx can be any object with a 'search' method; once we have Protocols we can change the type
-def compile_dir(dir: _Path, maxlevels: int = ..., ddir: _Path = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
-def compile_file(fullname: _Path, ddir: _Path = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
+def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
+def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
 def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ...) -> None: ...
diff --git a/stdlib/3/compileall.pyi b/stdlib/3/compileall.pyi
index 4722923bdd09..d8093bf626a1 100644
--- a/stdlib/3/compileall.pyi
+++ b/stdlib/3/compileall.pyi
@@ -11,8 +11,8 @@ else:
 
 # fx can be any object with a 'search' method; once we have Protocols we can change the type
 if sys.version_info < (3, 5):
-    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: _Path = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
+    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
 else:
-    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: _Path = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ..., workers: int = ...) -> None: ...
-def compile_file(fullname: _Path, ddir: _Path = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
+    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ..., workers: int = ...) -> None: ...
+def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
 def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...