3 files changed, 6 insertions, 12 deletions
diff --git a/library/cpp/yt/string/format-inl.h b/library/cpp/yt/string/format-inl.h
index 5d10c823874..15d8b791e23 100644
--- a/library/cpp/yt/string/format-inl.h
+++ b/library/cpp/yt/string/format-inl.h
@@ -941,7 +941,7 @@ void FormatValue(
 {
     std::apply(
         [&] <class... TInnerArgs> (TInnerArgs&&... args) {
-            builder->AppendFormat(value.Format_, std::forward<TInnerArgs>(args)...);
+            builder->AppendFormat(TRuntimeFormat{value.Format_}, std::forward<TInnerArgs>(args)...);
         },
         value.Args_);
 }
diff --git a/library/cpp/yt/string/string_builder-inl.h b/library/cpp/yt/string/string_builder-inl.h
index 5d66e1b0ded..9a0e34ca58d 100644
--- a/library/cpp/yt/string/string_builder-inl.h
+++ b/library/cpp/yt/string/string_builder-inl.h
@@ -81,15 +81,9 @@ inline void TStringBuilderBase::Reset()
 }
 
 template <class... TArgs>
-void TStringBuilderBase::AppendFormat(TStringBuf format, TArgs&& ... args)
+void TStringBuilderBase::AppendFormat(TFormatString<TArgs...> format, TArgs&&... args)
 {
-    Format(this, TRuntimeFormat{format}, std::forward<TArgs>(args)...);
-}
-
-template <size_t Length, class... TArgs>
-void TStringBuilderBase::AppendFormat(const char (&format)[Length], TArgs&& ... args)
-{
-    Format(this, TRuntimeFormat{format}, std::forward<TArgs>(args)...);
+    Format(this, format, std::forward<TArgs>(args)...);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/library/cpp/yt/string/string_builder.h b/library/cpp/yt/string/string_builder.h
index 82caed29943..ad2e3280857 100644
--- a/library/cpp/yt/string/string_builder.h
+++ b/library/cpp/yt/string/string_builder.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "format_string.h"
+
 #include <util/generic/string.h>
 
 namespace NYT {
@@ -28,10 +30,8 @@ public:
     void AppendString(TStringBuf str);
     void AppendString(const char* str);
 
-    template <size_t Length, class... TArgs>
-    void AppendFormat(const char (&format)[Length], TArgs&&... args);
     template <class... TArgs>
-    void AppendFormat(TStringBuf format, TArgs&&... args);
+    void AppendFormat(TFormatString<TArgs...> format, TArgs&&... args);
 
     void Reset();