diff --git a/Modules/AutomocInfo.cmake.in b/Modules/AutomocInfo.cmake.in
index 13f21617b..640bf70a0 100644
--- a/Modules/AutomocInfo.cmake.in
+++ b/Modules/AutomocInfo.cmake.in
@@ -1,7 +1,6 @@
 set(AM_SOURCES @_moc_files@ )
 set(AM_HEADERS @_moc_headers@ )
 set(AM_MOC_COMPILE_DEFINITIONS @_moc_compile_defs@)
-set(AM_MOC_DEFINITIONS @_moc_defs@)
 set(AM_MOC_INCLUDES @_moc_incs@)
 set(AM_MOC_OPTIONS @_moc_options@)
 set(AM_CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE "@CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE@")
diff --git a/Source/cmQtAutomoc.cxx b/Source/cmQtAutomoc.cxx
index 71feffddd..68f10466b 100644
--- a/Source/cmQtAutomoc.cxx
+++ b/Source/cmQtAutomoc.cxx
@@ -111,6 +111,7 @@ cmQtAutomoc::cmQtAutomoc()
 void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
 {
   cmMakefile* makefile = target->GetMakefile();
+  cmLocalGenerator* localGen = makefile->GetLocalGenerator();
   const char* targetName = target->GetName();
   // don't do anything if there is no Qt4 or Qt5Core (which contains moc):
   std::string qtMajorVersion = makefile->GetSafeDefinition("QT_VERSION_MAJOR");
@@ -193,12 +194,28 @@ void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
       }
     }
 
-  const char* tmp = makefile->GetProperty("INCLUDE_DIRECTORIES");
-  std::string _moc_incs = (tmp!=0 ? tmp : "");
-  tmp = makefile->GetProperty("DEFINITIONS");
-  std::string _moc_defs = (tmp!=0 ? tmp : "");
-  tmp = makefile->GetProperty("COMPILE_DEFINITIONS");
+  std::vector<std::string> includeDirs;
+  cmGeneratorTarget gtgt(target);
+  localGen->GetIncludeDirectories(includeDirs, &gtgt, "CXX");
+  std::string _moc_incs = "";
+  const char* sep = "";
+  for(std::vector<std::string>::const_iterator incDirIt = includeDirs.begin();
+      incDirIt != includeDirs.end();
+      ++incDirIt)
+    {
+    _moc_incs += sep;
+    sep = ";";
+    _moc_incs += *incDirIt;
+    }
+
+  const char* tmp = target->GetProperty("COMPILE_DEFINITIONS");
   std::string _moc_compile_defs = (tmp!=0 ? tmp : "");
+  tmp = makefile->GetProperty("COMPILE_DEFINITIONS");
+  if (tmp)
+    {
+    _moc_compile_defs += ";";
+    _moc_compile_defs += tmp;
+    }
   tmp = target->GetProperty("AUTOMOC_MOC_OPTIONS");
   std::string _moc_options = (tmp!=0 ? tmp : "");
 
@@ -210,8 +227,6 @@ void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
           cmLocalGenerator::EscapeForCMake(automocTargetName.c_str()).c_str());
   makefile->AddDefinition("_moc_incs",
           cmLocalGenerator::EscapeForCMake(_moc_incs.c_str()).c_str());
-  makefile->AddDefinition("_moc_defs",
-          cmLocalGenerator::EscapeForCMake(_moc_defs.c_str()).c_str());
   makefile->AddDefinition("_moc_compile_defs",
           cmLocalGenerator::EscapeForCMake(_moc_compile_defs.c_str()).c_str());
   makefile->AddDefinition("_moc_options",
@@ -314,7 +329,6 @@ bool cmQtAutomoc::ReadAutomocInfoFile(cmMakefile* makefile,
   this->MocExecutable = makefile->GetSafeDefinition("AM_QT_MOC_EXECUTABLE");
   this->MocCompileDefinitionsStr = makefile->GetSafeDefinition(
                                                  "AM_MOC_COMPILE_DEFINITIONS");
-  this->MocDefinitionsStr = makefile->GetSafeDefinition("AM_MOC_DEFINITIONS");
   this->MocIncludesStr = makefile->GetSafeDefinition("AM_MOC_INCLUDES");
   this->MocOptionsStr = makefile->GetSafeDefinition("AM_MOC_OPTIONS");
   this->ProjectBinaryDir = makefile->GetSafeDefinition("AM_CMAKE_BINARY_DIR");
@@ -332,7 +346,7 @@ bool cmQtAutomoc::ReadAutomocInfoFile(cmMakefile* makefile,
 std::string cmQtAutomoc::MakeCompileSettingsString(cmMakefile* makefile)
 {
   std::string s;
-  s += makefile->GetSafeDefinition("AM_MOC_DEFINITIONS");
+  s += makefile->GetSafeDefinition("AM_MOC_COMPILE_DEFINITIONS");
   s += " ~~~ ";
   s += makefile->GetSafeDefinition("AM_MOC_INCLUDES");
   s += " ~~~ ";
@@ -387,32 +401,11 @@ void cmQtAutomoc::Init()
 
   std::vector<std::string> cdefList;
   cmSystemTools::ExpandListArgument(this->MocCompileDefinitionsStr, cdefList);
-  if (!cdefList.empty())
+  for(std::vector<std::string>::const_iterator it = cdefList.begin();
+      it != cdefList.end();
+      ++it)
     {
-    for(std::vector<std::string>::const_iterator it = cdefList.begin();
-        it != cdefList.end();
-        ++it)
-      {
-      this->MocDefinitions.push_back("-D" + (*it));
-      }
-    }
-  else
-    {
-    std::string tmpMocDefs = this->MocDefinitionsStr;
-    cmSystemTools::ReplaceString(tmpMocDefs, " ", ";");
-
-    std::vector<std::string> defList;
-    cmSystemTools::ExpandListArgument(tmpMocDefs, defList);
-
-    for(std::vector<std::string>::const_iterator it = defList.begin();
-        it != defList.end();
-        ++it)
-      {
-      if (this->StartsWith(*it, "-D"))
-        {
-        this->MocDefinitions.push_back(*it);
-        }
-      }
+    this->MocDefinitions.push_back("-D" + (*it));
     }
 
   cmSystemTools::ExpandListArgument(this->MocOptionsStr, this->MocOptions);
diff --git a/Source/cmQtAutomoc.h b/Source/cmQtAutomoc.h
index f6d72e2f7..a73747781 100644
--- a/Source/cmQtAutomoc.h
+++ b/Source/cmQtAutomoc.h
@@ -69,7 +69,6 @@ private:
   std::string Builddir;
   std::string MocExecutable;
   std::string MocCompileDefinitionsStr;
-  std::string MocDefinitionsStr;
   std::string MocIncludesStr;
   std::string MocOptionsStr;
   std::string ProjectBinaryDir;