1 files changed, 0 insertions, 22 deletions
diff --git a/src/pinyin.h b/src/pinyin.h
index 7113704..136848e 100644
--- a/src/pinyin.h
+++ b/src/pinyin.h
@@ -431,28 +431,6 @@ bool pinyin_free_candidates(pinyin_instance_t * instance,
                             CandidateVector candidates);
 
 /**
- * pinyin_clear_constraint:
- * @instance: the pinyin instance.
- * @offset: the offset in the pinyin keys.
- * @returns: whether the constraint is cleared.
- *
- * Clear the previous chosen candidate.
- *
- */
-bool pinyin_clear_constraint(pinyin_instance_t * instance,
-                             size_t offset);
-
-/**
- * pinyin_clear_constraints:
- * @instance: the pinyin instance.
- * @returns: whether the constraints are cleared.
- *
- * Clear all constraints.
- *
- */
-bool pinyin_clear_constraints(pinyin_instance_t * instance);
-
-/**
  * pinyin_lookup_tokens:
  * @instance: the pinyin instance.
  * @phrase: the phrase to be looked up.