diff --git a/llama.cpp b/llama.cpp
index e5c9bd2b3..96d1c1895 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -13174,13 +13174,6 @@ static std::vector<llama_grammar_candidate> llama_grammar_reject_candidates(
     return rejects;
 }
 
-static bool llama_grammar_detect_left_recursion(
-        const std::vector<std::vector<llama_grammar_element>> & rules,
-        size_t                                                  rule_index,
-        std::vector<bool>                                     * rules_visited,
-        std::vector<bool>                                     * rules_in_progress,
-        std::vector<bool>                                     * rules_may_be_empty);
-
 static bool llama_grammar_detect_left_recursion(
         const std::vector<std::vector<llama_grammar_element>> & rules,
         size_t                                                  rule_index,