diff --git a/src/syntaxer.cpp b/src/syntaxer.cpp
index de1d372..c9c81d5 100644
--- a/src/syntaxer.cpp
+++ b/src/syntaxer.cpp
@@ -959,7 +959,6 @@ static void remove_extra_brackets(std::vector<Expression::Token>& tv)
 			find_select_prio_op_ranges_after_conv(mp, ranges, current_prio);
 
 			const Range &r = ranges[r_no];
-			int max_child_rank = max_rank(tv, mp, r, current_prio);
 
 			{
 				// extra logging