diff --git a/kernel/log.cc b/kernel/log.cc
index 5fda6ce14..6e49d241a 100644
--- a/kernel/log.cc
+++ b/kernel/log.cc
@@ -202,13 +202,6 @@ static void logv_string(std::string_view format, std::string str) {
 	}
 }
 
-static void logv(const char *format, va_list ap)
-{
-	if (log_make_debug && !ys_debug(1))
-		return;
-	logv_string(format, vstringf(format, ap));
-}
-
 void log_formatted_string(std::string_view format, std::string str)
 {
 	if (log_make_debug && !ys_debug(1))
@@ -315,15 +308,9 @@ void log_formatted_file_warning(std::string_view filename, int lineno, std::stri
 	log_formatted_warning(prefix, std::move(str));
 }
 
-void log_file_info(const std::string &filename, int lineno,
-                      const char *format, ...)
+void log_formatted_file_info(std::string_view filename, int lineno, std::string str)
 {
-	va_list ap;
-	va_start(ap, format);
-	std::string fmt = stringf("%s:%d: Info: %s",
-			filename.c_str(), lineno, format);
-	logv(fmt.c_str(), ap);
-	va_end(ap);
+	log("%s:%d: Info: %s", filename, lineno, str);
 }
 
 [[noreturn]]
diff --git a/kernel/log.h b/kernel/log.h
index bdada8437..ddf3bbfec 100644
--- a/kernel/log.h
+++ b/kernel/log.h
@@ -124,8 +124,6 @@ extern int log_debug_suppressed;
 void set_verific_logging(void (*cb)(int msg_type, const char *message_id, const char* file_path, unsigned int left_line, unsigned int left_col, unsigned int right_line, unsigned int right_col, const char *msg));
 extern void (*log_verific_callback)(int msg_type, const char *message_id, const char* file_path, unsigned int left_line, unsigned int left_col, unsigned int right_line, unsigned int right_col, const char *msg);
 
-void log_file_info(const std::string &filename, int lineno, const char *format, ...) YS_ATTRIBUTE(format(printf, 3, 4));
-
 [[noreturn]] void log_error(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
 [[noreturn]] void log_file_error(const string &filename, int lineno, const char *format, ...) YS_ATTRIBUTE(format(printf, 3, 4));
 [[noreturn]] void log_cmd_error(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
@@ -175,6 +173,15 @@ void log_file_warning(std::string_view filename, int lineno, FmtString<TypeIdent
 	log_formatted_file_warning(filename, lineno, fmt.format(args...));
 }
 
+void log_formatted_file_info(std::string_view filename, int lineno, std::string str);
+template <typename... Args>
+void log_file_info(std::string_view filename, int lineno, FmtString<TypeIdentity<Args>...> fmt, Args... args)
+{
+	if (log_make_debug && !ys_debug(1))
+		return;
+	log_formatted_file_info(filename, lineno, fmt.format(args...));
+}
+
 static inline void log_suppressed() {
 	if (log_debug_suppressed && !log_make_debug) {
 		log("<suppressed ~%d debug messages>\n", log_debug_suppressed);