diff --git a/src/box/box.cc b/src/box/box.cc
index 3ed2a4a447da468063916d12defc75680ac78632..b6c22b081992b09b07314f670afb7b4eddb9247f 100644
--- a/src/box/box.cc
+++ b/src/box/box.cc
@@ -362,11 +362,6 @@ box_check_say()
 			  diag_last_error(diag_get())->errmsg);
 	}
 
-	if (say_check_init_str(log) == -1) {
-
-		diag_raise();
-	}
-
 	if (type == SAY_LOGGER_SYSLOG) {
 		struct say_syslog_opts opts;
 		if (say_parse_syslog_opts(log, &opts) < 0) {
diff --git a/src/say.c b/src/say.c
index 287ec500006427c67ec5b2f2ff7d60e4df44197d..ac221dd19de5e576a93761435b5492627e3da3b0 100644
--- a/src/say.c
+++ b/src/say.c
@@ -960,24 +960,6 @@ write_to_syslog(struct log *log, int total)
  * Init string parser(s)
  */
 
-int
-say_check_init_str(const char *str)
-{
-	enum say_logger_type type;
-	if (say_parse_logger_type(&str, &type)) {
-		diag_set(IllegalParams, logger_syntax_reminder);
-		return -1;
-	}
-	if (type == SAY_LOGGER_SYSLOG) {
-		struct say_syslog_opts opts;
-
-		if (say_parse_syslog_opts(str, &opts) < 0)
-			return -1;
-		say_free_syslog_opts(&opts);
-	}
-	return 0;
-}
-
 /**
  * @retval string after prefix if a prefix is found,
  *         *str also is advanced to the prefix
diff --git a/src/say.h b/src/say.h
index f4c6b8eb92ec49ad963ffc4f512aaeec326311f6..2c2395fe0e49e6613e6996d855fc5a75b6e8c7a9 100644
--- a/src/say.h
+++ b/src/say.h
@@ -372,14 +372,6 @@ CFORMAT(printf, 5, 0) extern sayfunc_t _say;
 #define log_say_syserror(log, format, ...) \
 	log_say_level(log, S_SYSERROR, strerror(errno), format, ##__VA_ARGS__)
 
-/**
- * validates logger init string;
- * @returns 0 if validation passed or -1
- *           with an error message written to diag
- */
-int
-say_check_init_str(const char *str);
-
 /* internals, for unit testing */
 
 /**