diff --git a/docs/conf.py b/docs/conf.py
index 4061b9e4..8dbed0c1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -113,6 +113,7 @@ def setup(app):
 nitpicky = True
 nitpick_ignore = [
     ("py:class", "collections.abc.Generator"),
+    ("py:class", "collections.abc.Callable"),
     ("py:class", "pathlib.Path"),
     ("py:class", "flask.app.Flask"),
     ("py:class", "gptme.tools.python.T"),
diff --git a/gptme/tools/base.py b/gptme/tools/base.py
index 961a7dc2..55df2ab3 100644
--- a/gptme/tools/base.py
+++ b/gptme/tools/base.py
@@ -20,13 +20,7 @@
 exclusive_mode = False
 
 
-class ConfirmFunc(Protocol):
-    def __call__(self, msg: str) -> bool: ...
-
-
-def ask_confirm(msg: str) -> bool:
-    """Asks the user for confirmation."""
-    return input(f"{msg} [y/n] ").lower().startswith("y")
+ConfirmFunc = Callable[[str], bool]
 
 
 class ExecuteFunc(Protocol):