diff --git a/obsws_cli/validate.py b/obsws_cli/validate.py
index c0f82b8..b4cdc67 100644
--- a/obsws_cli/validate.py
+++ b/obsws_cli/validate.py
@@ -97,12 +97,6 @@ def profile_not_exists(ctx: typer.Context, profile_name: str) -> str:
     return profile_name
 
 
-def monitor_exists(ctx: typer.Context, monitor_index: int) -> bool:
-    """Check if a monitor exists."""
-    resp = ctx.obj['obsws'].get_monitor_list()
-    return any(monitor['monitorIndex'] == monitor_index for monitor in resp.monitors)
-
-
 def kind_in_input_kinds(ctx: typer.Context, input_kind: str) -> str:
     """Check if an input kind is valid."""
     resp = ctx.obj['obsws'].get_input_kind_list(False)