diff --git a/cmd/pinniped/cmd/cobra_util.go b/cmd/pinniped/cmd/cobra_util.go
index 9b153a72..c861dabf 100644
--- a/cmd/pinniped/cmd/cobra_util.go
+++ b/cmd/pinniped/cmd/cobra_util.go
@@ -13,3 +13,12 @@ func mustMarkRequired(cmd *cobra.Command, flags ...string) {
 		}
 	}
 }
+
+// mustMarkHidden marks the given flags as hidden on the provided cobra.Command. If any of the names are wrong, it panics.
+func mustMarkHidden(cmd *cobra.Command, flags ...string) {
+	for _, flag := range flags {
+		if err := cmd.Flags().MarkHidden(flag); err != nil {
+			panic(err)
+		}
+	}
+}