diff --git a/src/lib/base/String.cpp b/src/lib/base/String.cpp
index 02aa70593..d93785aa6 100644
--- a/src/lib/base/String.cpp
+++ b/src/lib/base/String.cpp
@@ -140,13 +140,6 @@ std::string sprintf(const char *fmt, ...)
   return result;
 }
 
-std::string sizeTypeToString(size_t n)
-{
-  std::stringstream ss;
-  ss << n;
-  return ss.str();
-}
-
 size_t stringToSizeType(const std::string &string)
 {
   std::istringstream iss(string);
diff --git a/src/lib/base/String.h b/src/lib/base/String.h
index c6491f699..d5a9af93f 100644
--- a/src/lib/base/String.h
+++ b/src/lib/base/String.h
@@ -40,12 +40,6 @@ Equivalent to sprintf() except the result is returned as a String.
 */
 std::string sprintf(const char *fmt, ...);
 
-//! Convert a size type to a string
-/*!
-Convert an size type to a string
-*/
-std::string sizeTypeToString(size_t n);
-
 //! Convert a string to a size type
 /*!
 Convert an a \c string to an size type
diff --git a/src/lib/deskflow/StreamChunker.cpp b/src/lib/deskflow/StreamChunker.cpp
index bd9c4e320..b24b712c9 100644
--- a/src/lib/deskflow/StreamChunker.cpp
+++ b/src/lib/deskflow/StreamChunker.cpp
@@ -9,7 +9,6 @@
 #include "base/Event.h"
 #include "base/IEventQueue.h"
 #include "base/Log.h"
-#include "base/String.h"
 #include "deskflow/ClipboardChunk.h"
 
 static const size_t g_chunkSize = 512 * 1024; // 512kb
@@ -19,7 +18,7 @@ void StreamChunker::sendClipboard(
 )
 {
   // send first message (data size)
-  std::string dataSize = deskflow::string::sizeTypeToString(size);
+  std::string dataSize = QString::number(size).toStdString();
   ClipboardChunk *sizeMessage = ClipboardChunk::start(id, sequence, dataSize);
 
   events->addEvent(Event(EventTypes::ClipboardSending, eventTarget, sizeMessage));
diff --git a/src/unittests/base/StringTests.cpp b/src/unittests/base/StringTests.cpp
index 48977bbbc..7273d8de1 100644
--- a/src/unittests/base/StringTests.cpp
+++ b/src/unittests/base/StringTests.cpp
@@ -40,11 +40,4 @@ void StringTests::stringToInt()
   QCOMPARE(value, 123);
 }
 
-void StringTests::intToString()
-{
-  size_t value = 123;
-  std::string number = deskflow::string::sizeTypeToString(value);
-  QCOMPARE(number, "123");
-}
-
 QTEST_MAIN(StringTests)
diff --git a/src/unittests/base/StringTests.h b/src/unittests/base/StringTests.h
index c9164982d..7b37e6ceb 100644
--- a/src/unittests/base/StringTests.h
+++ b/src/unittests/base/StringTests.h
@@ -12,6 +12,5 @@ class StringTests : public QObject
 private Q_SLOTS:
   void formatWithArgs();
   void formatedString();
-  void intToString();
   void stringToInt();
 };