diff --git a/src/Mod/JtReader/App/AppJtReader.cpp b/src/Mod/JtReader/App/AppJtReader.cpp
index 3684bec02c..1f4ec3cfdc 100644
--- a/src/Mod/JtReader/App/AppJtReader.cpp
+++ b/src/Mod/JtReader/App/AppJtReader.cpp
@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
 #include <Base/Console.h>
 #include <Base/Interpreter.h>
diff --git a/src/Mod/JtReader/App/AppJtReaderPy.cpp b/src/Mod/JtReader/App/AppJtReaderPy.cpp
index a2c020bdae..2cbc18a5c0 100644
--- a/src/Mod/JtReader/App/AppJtReaderPy.cpp
+++ b/src/Mod/JtReader/App/AppJtReaderPy.cpp
@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
 #include <App/Application.h>
 #include <App/Document.h>
diff --git a/src/Mod/JtReader/App/CMakeLists.txt b/src/Mod/JtReader/App/CMakeLists.txt
index d0407039da..8c3b15e04e 100644
--- a/src/Mod/JtReader/App/CMakeLists.txt
+++ b/src/Mod/JtReader/App/CMakeLists.txt
@@ -16,7 +16,6 @@ set(JtReader_LIBS
 SET(JtReader_SRCS
     AppJtReader.cpp
     AppJtReaderPy.cpp
-    PreCompiled.cpp
     PreCompiled.h
     TestJtReader.cpp
     TestJtReader.h
@@ -48,6 +47,13 @@ SOURCE_GROUP("JrJt" FILES ${JRJT_SRCS}  )
 SOURCE_GROUP("Module" FILES ${JtReader_SRCS})
 
 add_library(JtReader SHARED ${JtReader_SRCS} ${JRJT_SRCS} ${JtReader_Scripts})
+
+if(FREECAD_USE_PCH)
+    target_precompile_headers(JtReader PRIVATE
+            $<$<COMPILE_LANGUAGE:CXX>:"${CMAKE_CURRENT_LIST_DIR}/PreCompiled.h">
+    )
+endif(FREECAD_USE_PCH)
+
 target_link_libraries(JtReader ${JtReader_LIBS})
 
 if (MSVC)
diff --git a/src/Mod/JtReader/App/FcLodHandler.cpp b/src/Mod/JtReader/App/FcLodHandler.cpp
index cd3f997836..342b258ce3 100644
--- a/src/Mod/JtReader/App/FcLodHandler.cpp
+++ b/src/Mod/JtReader/App/FcLodHandler.cpp
@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "PreCompiled.h"
 
 #include <Base/Console.h>
 
diff --git a/src/Mod/JtReader/App/JtReader.cpp b/src/Mod/JtReader/App/JtReader.cpp
index 89575e7539..0d7dd69f3d 100644
--- a/src/Mod/JtReader/App/JtReader.cpp
+++ b/src/Mod/JtReader/App/JtReader.cpp
@@ -3,13 +3,11 @@
  *   LGPL                                                                  *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <string.h>
 #include <strstream>
 #include <sys/types.h>
 #include <vector>
-#endif
+
 
 #include <JtTk/JtkCADExporter.h>
 #include <JtTk/JtkCADImporter.h>
diff --git a/src/Mod/JtReader/App/PreCompiled.cpp b/src/Mod/JtReader/App/PreCompiled.cpp
deleted file mode 100644
index af15487840..0000000000
--- a/src/Mod/JtReader/App/PreCompiled.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-/***************************************************************************
- *   Copyright (c) Juergen Riegel 2007    <juergen.riegel@web.de>          *
- *   LGPL                                                                  *
- ***************************************************************************/
-
-
-#include "PreCompiled.h"
diff --git a/src/Mod/JtReader/App/PreCompiled.h b/src/Mod/JtReader/App/PreCompiled.h
index ccfecec3af..280cd59a48 100644
--- a/src/Mod/JtReader/App/PreCompiled.h
+++ b/src/Mod/JtReader/App/PreCompiled.h
@@ -8,19 +8,7 @@
 
 #include <FCConfig.h>
 
-// Importing of App classes
-#ifdef FC_OS_WIN32
-#define MeshExport __declspec(dllimport)
-#define AppJtReaderExport __declspec(dllexport)
-#else  // for Linux
-#define MeshExport
-#define AppJtReaderExport
-#endif
-
-#ifdef _PreComp_
-
 // standard
-
 #include <cassert>
 #include <cstdio>
 
@@ -41,6 +29,4 @@
 // sys
 #include <sys/types.h>
 
-#endif  //_PreComp_
-
 #endif
diff --git a/src/Mod/JtReader/App/TKJtReader.cpp b/src/Mod/JtReader/App/TKJtReader.cpp
index 66b5d696fc..e8251baa74 100644
--- a/src/Mod/JtReader/App/TKJtReader.cpp
+++ b/src/Mod/JtReader/App/TKJtReader.cpp
@@ -21,7 +21,6 @@
  *                                                                         *
  **************************************************************************/
 
-#include "PreCompiled.h"
 #include <gp_Trsf.hxx>
 
 #include "TKJtReader.h"
diff --git a/src/Mod/JtReader/App/TestJtReader.cpp b/src/Mod/JtReader/App/TestJtReader.cpp
index 47839de734..2265aa16a5 100644
--- a/src/Mod/JtReader/App/TestJtReader.cpp
+++ b/src/Mod/JtReader/App/TestJtReader.cpp
@@ -20,10 +20,8 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "PreCompiled.h"
-#ifndef _PreComp_
 #include <vector>
-#endif
+
 
 #include <Base/Console.h>
 #include <Base/FileInfo.h>