diff --git a/src/Processors/Formats/Impl/JSONCompactWithProgressRowOutputFormat.cpp b/src/Processors/Formats/Impl/JSONCompactWithProgressRowOutputFormat.cpp
index 78cf5b9a003..2cc7d99f8e7 100644
--- a/src/Processors/Formats/Impl/JSONCompactWithProgressRowOutputFormat.cpp
+++ b/src/Processors/Formats/Impl/JSONCompactWithProgressRowOutputFormat.cpp
@@ -118,8 +118,6 @@ void registerOutputFormatJSONCompactWithProgress(FormatFactory & factory)
     {
         return std::make_shared<JSONCompactWithProgressRowOutputFormat>(buf, sample, format_settings, false);
     });
-
-    factory.markOutputFormatSupportsParallelFormatting("JSONCompactWithProgress");
 }
 
 }