diff --git a/dbms/src/Processors/Formats/Impl/BinaryRowOutputFormat.h b/dbms/src/Processors/Formats/Impl/BinaryRowOutputFormat.h
index 626553a0eb3..35b8a7b734e 100644
--- a/dbms/src/Processors/Formats/Impl/BinaryRowOutputFormat.h
+++ b/dbms/src/Processors/Formats/Impl/BinaryRowOutputFormat.h
@@ -24,8 +24,6 @@ public:
     void writeField(const IColumn & column, const IDataType & type, size_t row_num) override;
     void writePrefix() override;
 
-    void flush() override;
-
     String getContentType() const override { return "application/octet-stream"; }
 
 protected:
diff --git a/dbms/src/Processors/Formats/Impl/CapnProtoRowInputFormat.cpp b/dbms/src/Processors/Formats/Impl/CapnProtoRowInputFormat.cpp
index 8466cd99a5a..f0b093870f0 100644
--- a/dbms/src/Processors/Formats/Impl/CapnProtoRowInputFormat.cpp
+++ b/dbms/src/Processors/Formats/Impl/CapnProtoRowInputFormat.cpp
@@ -308,7 +308,7 @@ void registerInputFormatProcessorCapnProto(FormatFactory & factory)
 namespace DB
 {
     class FormatFactory;
-    void registerInputFormatCapnProto(FormatFactory &) {}
+    void registerInputFormatProcessorCapnProto(FormatFactory &) {}
 }
 
 #endif // USE_CAPNP
diff --git a/dbms/src/Processors/Formats/Impl/JSONRowOutputFormat.cpp b/dbms/src/Processors/Formats/Impl/JSONRowOutputFormat.cpp
index 3d210d4fc86..93f8cf19786 100644
--- a/dbms/src/Processors/Formats/Impl/JSONRowOutputFormat.cpp
+++ b/dbms/src/Processors/Formats/Impl/JSONRowOutputFormat.cpp
@@ -242,7 +242,7 @@ void JSONRowOutputFormat::onProgress(const Progress & value)
 }
 
 
-void registerOutputFormatProcessorProcessorJSON(FormatFactory & factory)
+void registerOutputFormatProcessorJSON(FormatFactory & factory)
 {
     factory.registerOutputFormatProcessor("JSON", [](
         WriteBuffer & buf,
diff --git a/dbms/src/Processors/Formats/Impl/NativeFormat.cpp b/dbms/src/Processors/Formats/Impl/NativeFormat.cpp
index 8ff0d7e5724..aab081afbdc 100644
--- a/dbms/src/Processors/Formats/Impl/NativeFormat.cpp
+++ b/dbms/src/Processors/Formats/Impl/NativeFormat.cpp
@@ -142,7 +142,7 @@ private:
     }
 };
 
-void registerInputFormatNativeProcessor(FormatFactory & factory)
+void registerInputFormatProcessorNative(FormatFactory & factory)
 {
     factory.registerInputFormatProcessor("Native", [](
         ReadBuffer & buf,
@@ -155,7 +155,7 @@ void registerInputFormatNativeProcessor(FormatFactory & factory)
     });
 }
 
-void registerOutputFormatNativeProcessor(FormatFactory & factory)
+void registerOutputFormatProcessorNative(FormatFactory & factory)
 {
     factory.registerOutputFormatProcessor("Native", [](
         WriteBuffer & buf,
diff --git a/dbms/src/Processors/Formats/Impl/ODBCDriver2BlockOutputFormat.cpp b/dbms/src/Processors/Formats/Impl/ODBCDriver2BlockOutputFormat.cpp
index a81838ce64a..916b9038781 100644
--- a/dbms/src/Processors/Formats/Impl/ODBCDriver2BlockOutputFormat.cpp
+++ b/dbms/src/Processors/Formats/Impl/ODBCDriver2BlockOutputFormat.cpp
@@ -16,7 +16,7 @@ ODBCDriver2BlockOutputFormat::ODBCDriver2BlockOutputFormat(
 {
 }
 
-void writeODBCString(WriteBuffer & out, const std::string & str)
+static void writeODBCString(WriteBuffer & out, const std::string & str)
 {
     writeIntBinary(Int32(str.size()), out);
     out.write(str.data(), str.size());