diff --git a/src/Processors/Formats/Impl/JSONCompactEachRowRowInputFormat.h b/src/Processors/Formats/Impl/JSONCompactEachRowRowInputFormat.h
index 6845b2974ab6960d34cf572370a218225b702180..4077eb6e008ab8abcdf2ddf2c1186f9ecbdd41b7 100644
--- a/src/Processors/Formats/Impl/JSONCompactEachRowRowInputFormat.h
+++ b/src/Processors/Formats/Impl/JSONCompactEachRowRowInputFormat.h
@@ -1,7 +1,5 @@
 #pragma once
 
-#pragma once
-
 #include <Core/Block.h>
 #include <Processors/Formats/IRowInputFormat.h>
 #include <Formats/FormatSettings.h>
diff --git a/src/Processors/ya.make b/src/Processors/ya.make
index 27893674859f4d8eef7aebb97dfdf0f027a574d7..30de38fedbd65344c304c81639b04a4ee6d6d415 100644
--- a/src/Processors/ya.make
+++ b/src/Processors/ya.make
@@ -31,9 +31,6 @@ SRCS(
     Formats/Impl/JSONEachRowRowOutputFormat.cpp
     Formats/Impl/JSONEachRowWithProgressRowOutputFormat.cpp
     Formats/Impl/JSONRowOutputFormat.cpp
-    Formats/Impl/JSONStringsEachRowRowInputFormat.cpp
-    Formats/Impl/JSONStringsEachRowRowOutputFormat.cpp
-    Formats/Impl/JSONStringsRowOutputFormat.cpp
     Formats/Impl/MarkdownRowOutputFormat.cpp
     Formats/Impl/MsgPackRowInputFormat.cpp
     Formats/Impl/MsgPackRowOutputFormat.cpp