diff --git a/src/tree_schema.h b/src/tree_schema.h
index 7bc1193..b6498d0 100644
--- a/src/tree_schema.h
+++ b/src/tree_schema.h
@@ -2039,16 +2039,12 @@
  *
  * @param[in] ctx libyang context for logging (function does not log errors when @p ctx is NULL)
  * @param[in] node Schema node for the @p value.
- * @param[in] value String value to be checked.
+ * @param[in] value String value to be checked, expected to be in JSON format.
  * @param[in] value_len Length of the given @p value (mandatory).
- * @param[in] get_prefix Callback function to resolve prefixes used in the @p value string.
- * @param[in] get_prefix_data Private data for the @p get_prefix callback.
- * @param[in] format Input format of the @p value.
  * @return LY_SUCCESS on success
  * @return LY_ERR value if an error occurred.
  */
-LY_ERR lys_value_validate(const struct ly_ctx *ctx, const struct lysc_node *node, const char *value, size_t value_len,
-                          ly_clb_resolve_prefix get_prefix, void *get_prefix_data, LYD_FORMAT format);
+LY_ERR lys_value_validate(const struct ly_ctx *ctx, const struct lysc_node *node, const char *value, size_t value_len);
 
 /**
  * @brief Stringify schema nodetype.