diff --git a/src/Audacity.h b/src/Audacity.h
index c2b4523a2..3637ab2ca 100644
--- a/src/Audacity.h
+++ b/src/Audacity.h
@@ -170,9 +170,6 @@ void QuitAudacity();
 // Marks strings for extraction only...must use wxGetTranslation() to translate.
 #define XO(s) wxT(s)
 
-#include <memory>
-#include <utility>
-
 // This renames a good use of this C++ keyword that we don't need to review when hunting for leaks.
 #define PROHIBITED = delete
 
@@ -182,178 +179,4 @@ void QuitAudacity();
 // pointer like std::unique_ptr or std::shared_ptr.
 #define safenew new
 
-#if !defined(__WXMSW__)
-/* replicate the very useful C++14 make_unique for those build environments
-   that don't implement it yet.
-
-   typical useage:
-
-   auto p = std::make_unique<Myclass>(ctorArg1, ctorArg2, ... ctorArgN);
-   p->DoSomething();
-   auto q = std::make_unique<Myclass[]>(count);
-   q[0].DoSomethingElse();
-
-   The first hides naked NEW and DELETE from the source code.
-   The second hides NEW[] and DELETE[].  Both of course ensure destruction if
-   you don't use something like std::move(p) or q.release().  Both expressions require
-   that you identify the type only once, which is brief and less error prone.
-
-   (Whereas this omission of [] might invite a runtime error:
-   std::unique_ptr<Myclass> q { new Myclass[count] }; )
-
-   Some C++11 tricks needed here are (1) variadic argument lists and
-   (2) making the compile-time dispatch work correctly.  You can't have
-   a partially specialized template function, but you get the effect of that
-   by other metaprogramming means.
-*/
-
-namespace std {
-   // For overloading resolution
-   template <typename X> struct __make_unique_result {
-      using scalar_case = unique_ptr<X>;
-   };
-
-   // Partial specialization of the struct for array case
-   template <typename X> struct __make_unique_result<X[]> {
-      using array_case = unique_ptr<X[]>;
-      using element = X;
-   };
-
-   // Now the scalar version of unique_ptr
-   template<typename X, typename... Args> inline
-      typename __make_unique_result<X>::scalar_case
-      make_unique(Args&&... args)
-   {
-      return typename __make_unique_result<X>::scalar_case
-         { safenew X( forward<Args>(args)... ) };
-   }
-
-   // Now the array version of unique_ptr
-   // The compile-time dispatch trick is that the non-existence
-   // of the scalar_case type makes the above overload
-   // unavailable when the template parameter is explicit
-   template<typename X> inline
-      typename __make_unique_result<X>::array_case
-      make_unique(size_t count)
-   {
-      return typename __make_unique_result<X>::array_case
-         { safenew typename __make_unique_result<X>::element[count] };
-   }
-}
-#endif
-
-/*
-* template class Maybe<X>
-* Can be used for monomorphic objects that are stack-allocable, but only conditionally constructed.
-* You might also use it as a member.
-* Initialize with create(), then use like a smart pointer,
-* with *, ->, get(), reset(), or in if()
-*/
-
-template<typename X>
-class Maybe {
-public:
-
-   // Construct as NULL
-   Maybe() {}
-
-   // Supply the copy and move, so you might use this as a class member too
-   Maybe(const Maybe &that)
-   {
-      if (that.get())
-         create(*that);
-   }
-
-   Maybe& operator= (const Maybe &that)
-   {
-      if (this != &that) {
-         if (that.get())
-            create(*that);
-         else
-            reset();
-      }
-      return *this;
-   }
-
-   Maybe(Maybe &&that)
-   {
-      if (that.get())
-         create(::std::move(*that));
-   }
-
-   Maybe& operator= (Maybe &&that)
-   {
-      if (this != &that) {
-         if (that.get())
-            create(::std::move(*that));
-         else
-            reset();
-      }
-      return *this;
-   }
-
-   // Make an object in the buffer, passing constructor arguments,
-   // but destroying any previous object first
-   // Note that if constructor throws, we remain in a consistent
-   // NULL state -- giving exception safety but only weakly
-   // (previous value was lost if present)
-   template<typename... Args>
-   void create(Args... args)
-   {
-      // Lose any old value
-      reset();
-      // Create new value
-      pp = safenew(address()) X( std::forward<Args>(args)... );
-   }
-
-   // Destroy any object that was built in it
-   ~Maybe()
-   {
-      reset();
-   }
-
-   // Pointer-like operators
-
-   // Dereference, with the usual bad consequences if NULL
-   X &operator* () const
-   {
-      return *pp;
-   }
-
-   X *operator-> () const
-   {
-      return pp;
-   }
-
-   X* get() const
-   {
-      return pp;
-   }
-
-   void reset()
-   {
-      if (pp)
-         pp->~X(), pp = nullptr;
-   }
-
-   // So you can say if(ptr)
-   explicit operator bool() const
-   {
-      return pp != nullptr;
-   }
-
-private:
-   X* address()
-   {
-      return reinterpret_cast<X*>(&storage);
-   }
-
-   // Data
-   typename ::std::aligned_storage<
-      sizeof(X)
-      // , alignof(X) // Not here yet in all compilers
-   >::type storage{};
-   X* pp{ nullptr };
-};
-
 #endif // __AUDACITY_H__
diff --git a/src/AudacityHeaders.h b/src/AudacityHeaders.h
index f91b5f6eb..33cc231d3 100644
--- a/src/AudacityHeaders.h
+++ b/src/AudacityHeaders.h
@@ -85,6 +85,7 @@
 #ifdef _DEBUG
 #define _CRTDBG_MAP_ALLOC
 #include <crtdbg.h>
+#undef new
 #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
 #define new DEBUG_NEW
 #endif
diff --git a/src/BlockFile.cpp b/src/BlockFile.cpp
index f4507c376..ad0bccd49 100644
--- a/src/BlockFile.cpp
+++ b/src/BlockFile.cpp
@@ -54,6 +54,7 @@ out.
 #include <wx/math.h>
 
 #include "Internat.h"
+#include "MemoryX.h"
 
 // msmeyer: Define this to add debug output via printf()
 //#define DEBUG_BLOCKFILE
diff --git a/src/DirManager.cpp b/src/DirManager.cpp
index 7c71d2cc8..d54055db9 100644
--- a/src/DirManager.cpp
+++ b/src/DirManager.cpp
@@ -63,6 +63,7 @@
 
 #include "Audacity.h"
 #include "DirManager.h"
+#include "MemoryX.h"
 
 #include <time.h> // to use time() for srand()
 
diff --git a/src/FreqWindow.h b/src/FreqWindow.h
index cdd05eb24..674f4f51f 100644
--- a/src/FreqWindow.h
+++ b/src/FreqWindow.h
@@ -11,7 +11,7 @@
 #ifndef __AUDACITY_FREQ_WINDOW__
 #define __AUDACITY_FREQ_WINDOW__
 
-#include <memory>
+#include "MemoryX.h"
 #include <vector>
 #include <wx/brush.h>
 #include <wx/dcmemory.h>
diff --git a/src/Makefile.am b/src/Makefile.am
index 38968a4b8..ae22f5ba8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -163,6 +163,7 @@ audacity_SOURCES = \
 	MacroMagic.h \
 	Matrix.cpp \
 	Matrix.h \
+	MemoryX.h \
 	Menus.cpp \
 	Menus.h \
 	Mix.cpp \
diff --git a/src/MemoryX.h b/src/MemoryX.h
new file mode 100644
index 000000000..ae068fcce
--- /dev/null
+++ b/src/MemoryX.h
@@ -0,0 +1,191 @@
+#ifndef __AUDACITY_MEMORY_X_H__
+#define __AUDACITY_MEMORY_X_H__
+
+// C++ standard header <memory> with a few extensions
+#include <memory>
+
+#if !(defined(__WXMSW__) || defined(__WXMAC__))
+/* replicate the very useful C++14 make_unique for those build environments
+that don't implement it yet.
+typical useage:
+auto p = std::make_unique<Myclass>(ctorArg1, ctorArg2, ... ctorArgN);
+p->DoSomething();
+auto q = std::make_unique<Myclass[]>(count);
+q[0].DoSomethingElse();
+
+The first hides naked NEW and DELETE from the source code.
+The second hides NEW[] and DELETE[].  Both of course ensure destruction if
+you don't use something like std::move(p) or q.release().  Both expressions require
+that you identify the type only once, which is brief and less error prone.
+
+(Whereas this omission of [] might invite a runtime error:
+std::unique_ptr<Myclass> q { new Myclass[count] }; )
+
+Some C++11 tricks needed here are (1) variadic argument lists and
+(2) making the compile-time dispatch work correctly.  You can't have
+a partially specialized template function, but you get the effect of that
+by other metaprogramming means.
+*/
+
+namespace std {
+   // For overloading resolution
+   template <typename X> struct __make_unique_result {
+      using scalar_case = unique_ptr<X>;
+   };
+
+   // Partial specialization of the struct for array case
+   template <typename X> struct __make_unique_result<X[]> {
+      using array_case = unique_ptr<X[]>;
+      using element = X;
+   };
+
+   // Now the scalar version of unique_ptr
+   template<typename X, typename... Args> inline
+      typename __make_unique_result<X>::scalar_case
+      make_unique(Args&&... args)
+   {
+      return typename __make_unique_result<X>::scalar_case
+      { safenew X(forward<Args>(args)...) };
+   }
+
+   // Now the array version of unique_ptr
+   // The compile-time dispatch trick is that the non-existence
+   // of the scalar_case type makes the above overload
+   // unavailable when the template parameter is explicit
+   template<typename X> inline
+      typename __make_unique_result<X>::array_case
+      make_unique(size_t count)
+   {
+      return typename __make_unique_result<X>::array_case
+      { safenew typename __make_unique_result<X>::element[count] };
+   }
+}
+#endif
+
+/*
+* template class Maybe<X>
+* Can be used for monomorphic objects that are stack-allocable, but only conditionally constructed.
+* You might also use it as a member.
+* Initialize with create(), then use like a smart pointer,
+* with *, ->, get(), reset(), or in if()
+*/
+
+// Placement-new is used below, and that does not cooperate with the DEBUG_NEW for Visual Studio
+#undef new
+
+template<typename X>
+class Maybe {
+public:
+
+   // Construct as NULL
+   Maybe() {}
+
+   // Supply the copy and move, so you might use this as a class member too
+   Maybe(const Maybe &that)
+   {
+      if (that.get())
+         create(*that);
+   }
+
+   Maybe& operator= (const Maybe &that)
+   {
+      if (this != &that) {
+         if (that.get())
+            create(*that);
+         else
+            reset();
+      }
+      return *this;
+   }
+
+   Maybe(Maybe &&that)
+   {
+      if (that.get())
+         create(::std::move(*that));
+   }
+
+   Maybe& operator= (Maybe &&that)
+   {
+      if (this != &that) {
+         if (that.get())
+            create(::std::move(*that));
+         else
+            reset();
+      }
+      return *this;
+   }
+
+   // Make an object in the buffer, passing constructor arguments,
+   // but destroying any previous object first
+   // Note that if constructor throws, we remain in a consistent
+   // NULL state -- giving exception safety but only weakly
+   // (previous value was lost if present)
+   template<typename... Args>
+   void create(Args... args)
+   {
+      // Lose any old value
+      reset();
+      // Create new value
+      pp = safenew(address()) X(std::forward<Args>(args)...);
+   }
+
+   // Destroy any object that was built in it
+   ~Maybe()
+   {
+      reset();
+   }
+
+   // Pointer-like operators
+
+   // Dereference, with the usual bad consequences if NULL
+   X &operator* () const
+   {
+      return *pp;
+   }
+
+   X *operator-> () const
+   {
+      return pp;
+   }
+
+   X* get() const
+   {
+      return pp;
+   }
+
+   void reset()
+   {
+      if (pp)
+         pp->~X(), pp = nullptr;
+   }
+
+   // So you can say if(ptr)
+   explicit operator bool() const
+   {
+      return pp != nullptr;
+   }
+
+private:
+   X* address()
+   {
+      return reinterpret_cast<X*>(&storage);
+   }
+
+   // Data
+   typename ::std::aligned_storage<
+      sizeof(X)
+      // , alignof(X) // Not here yet in all compilers
+   >::type storage{};
+   X* pp{ nullptr };
+};
+
+// Restore definition of debug new
+#ifdef _DEBUG
+#ifdef _MSC_VER
+#undef THIS_FILE
+static char*THIS_FILE = __FILE__;
+#define new new(_NORMAL_BLOCK, THIS_FILE, __LINE__)
+#endif
+#endif
+
+#endif // __AUDACITY_MEMORY_X_H__
diff --git a/src/ShuttleGui.cpp b/src/ShuttleGui.cpp
index ed403bf1c..aaf12d59a 100644
--- a/src/ShuttleGui.cpp
+++ b/src/ShuttleGui.cpp
@@ -94,8 +94,9 @@ for registering for changes.
 
 
 #include "Audacity.h"
+#include "ShuttleGui.h"
 
-#include <memory>
+#include "MemoryX.h"
 #include <wx/wx.h>
 #include <wx/wxprec.h>
 #include <wx/listctrl.h>
@@ -104,7 +105,6 @@ for registering for changes.
 #include <wx/spinctrl.h>
 #include "Internat.h"
 #include "Experimental.h"
-#include "ShuttleGui.h"
 #include "Shuttle.h"
 #include "WrappedType.h"
 
diff --git a/src/ShuttleGui.h b/src/ShuttleGui.h
index 931e64937..cb6f240a3 100644
--- a/src/ShuttleGui.h
+++ b/src/ShuttleGui.h
@@ -16,6 +16,7 @@
 
 #include "Audacity.h"
 
+#include "MemoryX.h"
 #include <wx/grid.h>
 #include <wx/sizer.h>
 #include <wx/string.h>
diff --git a/src/Tags.cpp b/src/Tags.cpp
index 97c8f4ee6..84fbd0231 100644
--- a/src/Tags.cpp
+++ b/src/Tags.cpp
@@ -30,6 +30,9 @@
 
 *//*******************************************************************/
 
+#include "Audacity.h"
+#include "Tags.h"
+
 // For compilers that support precompilation, includes "wx/wx.h".
 #include <wx/wxprec.h>
 
@@ -38,9 +41,6 @@
 #include <wx/window.h>
 #endif
 
-#include "Tags.h"
-
-#include "Audacity.h"
 #include "FileDialog.h"
 #include "FileNames.h"
 #include "Internat.h"
diff --git a/src/Tags.h b/src/Tags.h
index 65f594e5e..642988e7c 100644
--- a/src/Tags.h
+++ b/src/Tags.h
@@ -33,6 +33,7 @@
 #include "widgets/Grid.h"
 #include "xml/XMLTagHandler.h"
 
+#include "MemoryX.h"
 #include <utility>
 #include <wx/dialog.h>
 #include <wx/hashmap.h>
diff --git a/src/TrackPanel.h b/src/TrackPanel.h
index bdfb25883..d4f13fea5 100644
--- a/src/TrackPanel.h
+++ b/src/TrackPanel.h
@@ -11,7 +11,7 @@
 #ifndef __AUDACITY_TRACK_PANEL__
 #define __AUDACITY_TRACK_PANEL__
 
-#include <memory>
+#include "MemoryX.h"
 #include <vector>
 
 #include <wx/dcmemory.h>
diff --git a/src/UndoManager.h b/src/UndoManager.h
index 6c0226653..8cfeef0a2 100644
--- a/src/UndoManager.h
+++ b/src/UndoManager.h
@@ -48,7 +48,7 @@
 #ifndef __AUDACITY_UNDOMANAGER__
 #define __AUDACITY_UNDOMANAGER__
 
-#include <memory>
+#include "MemoryX.h"
 #include <vector>
 #include <wx/string.h>
 #include "ondemand/ODTaskThread.h"
diff --git a/src/WaveClip.cpp b/src/WaveClip.cpp
index 964de70bb..8cf32df12 100644
--- a/src/WaveClip.cpp
+++ b/src/WaveClip.cpp
@@ -22,7 +22,7 @@
 #include "WaveClip.h"
 
 #include <math.h>
-#include <memory>
+#include "MemoryX.h"
 #include <functional>
 #include <vector>
 #include <wx/log.h>
diff --git a/src/WaveTrack.cpp b/src/WaveTrack.cpp
index 134b36ba7..bc83ad940 100644
--- a/src/WaveTrack.cpp
+++ b/src/WaveTrack.cpp
@@ -35,7 +35,7 @@ Track classes.
 #include <float.h>
 #include <math.h>
 #include <algorithm>
-#include <memory>
+#include "MemoryX.h"
 
 #include "float_cast.h"
 
diff --git a/src/blockfile/LegacyBlockFile.cpp b/src/blockfile/LegacyBlockFile.cpp
index 7e0f959c4..449afeeca 100644
--- a/src/blockfile/LegacyBlockFile.cpp
+++ b/src/blockfile/LegacyBlockFile.cpp
@@ -28,6 +28,7 @@
 #include <wx/log.h>
 
 #include "LegacyBlockFile.h"
+#include "../MemoryX.h"
 #include "../FileFormats.h"
 #include "../Internat.h"
 
diff --git a/src/blockfile/PCMAliasBlockFile.cpp b/src/blockfile/PCMAliasBlockFile.cpp
index 0559e8ef6..0892fc2ea 100644
--- a/src/blockfile/PCMAliasBlockFile.cpp
+++ b/src/blockfile/PCMAliasBlockFile.cpp
@@ -18,6 +18,7 @@
 #include "PCMAliasBlockFile.h"
 #include "../FileFormats.h"
 #include "../Internat.h"
+#include "../MemoryX.h"
 
 #include "../ondemand/ODManager.h"
 #include "../AudioIO.h"
diff --git a/src/blockfile/SimpleBlockFile.cpp b/src/blockfile/SimpleBlockFile.cpp
index fd5ad5751..4c45557ad 100644
--- a/src/blockfile/SimpleBlockFile.cpp
+++ b/src/blockfile/SimpleBlockFile.cpp
@@ -70,6 +70,7 @@ to get its definition, rather than rolling our own.
 
 #include "sndfile.h"
 #include "../Internat.h"
+#include "../MemoryX.h"
 
 
 static wxUint32 SwapUintEndianess(wxUint32 in)
diff --git a/src/commands/CommandManager.h b/src/commands/CommandManager.h
index 488063d00..ee74efff9 100644
--- a/src/commands/CommandManager.h
+++ b/src/commands/CommandManager.h
@@ -14,6 +14,7 @@
 
 #include "../Experimental.h"
 
+#include "MemoryX.h"
 #include <vector>
 #include <wx/string.h>
 #include <wx/dynarray.h>
diff --git a/src/effects/FindClipping.cpp b/src/effects/FindClipping.cpp
index 047a8cc3a..5e2dee58f 100644
--- a/src/effects/FindClipping.cpp
+++ b/src/effects/FindClipping.cpp
@@ -32,6 +32,7 @@
 
 #include "../LabelTrack.h"
 #include "../WaveTrack.h"
+#include "../MemoryX.h"
 
 // Define keys, defaults, minimums, and maximums for the effect parameters
 //
diff --git a/src/effects/Generator.cpp b/src/effects/Generator.cpp
index d568606f1..b3ee5fa1a 100644
--- a/src/effects/Generator.cpp
+++ b/src/effects/Generator.cpp
@@ -22,7 +22,7 @@
 
 #include "TimeWarper.h"
 
-#include <memory>
+#include "../MemoryX.h"
 
 bool Generator::Process()
 {
diff --git a/src/effects/NoiseReduction.h b/src/effects/NoiseReduction.h
index f5583a4a6..d0f4105f2 100644
--- a/src/effects/NoiseReduction.h
+++ b/src/effects/NoiseReduction.h
@@ -15,7 +15,7 @@
 
 #include "Effect.h"
 
-#include <memory>
+#include "../MemoryX.h"
 
 #define NOISEREDUCTION_PLUGIN_SYMBOL XO("Noise Reduction")
 
diff --git a/src/effects/VST/VSTEffect.cpp b/src/effects/VST/VSTEffect.cpp
index 51c8fda17..8cc9d1e51 100644
--- a/src/effects/VST/VSTEffect.cpp
+++ b/src/effects/VST/VSTEffect.cpp
@@ -93,6 +93,7 @@
 #include "audacity/ConfigInterface.h"
 
 #include "VSTEffect.h"
+#include "../../MemoryX.h"
 
 // NOTE:  To debug the subprocess, use wxLogDebug and, on Windows, Debugview
 //        from TechNet (Sysinternals).
diff --git a/src/import/Import.cpp b/src/import/Import.cpp
index 46235bfb6..4cf2ce6e0 100644
--- a/src/import/Import.cpp
+++ b/src/import/Import.cpp
@@ -35,6 +35,10 @@ and ImportLOF.cpp.
 
 
 
+#include "../Audacity.h"
+#include "Import.h"
+#include "ImportPlugin.h"
+
 #include <wx/textctrl.h>
 #include <wx/msgdlg.h>
 #include <wx/string.h>
@@ -44,11 +48,8 @@ and ImportLOF.cpp.
 #include <wx/arrimpl.cpp>
 #include <wx/listimpl.cpp>
 #include "../ShuttleGui.h"
-#include "../Audacity.h"
 #include "../Project.h"
 
-#include "Import.h"
-#include "ImportPlugin.h"
 #include "ImportPCM.h"
 #include "ImportMP3.h"
 #include "ImportOGG.h"
diff --git a/src/import/ImportPlugin.h b/src/import/ImportPlugin.h
index 8b506baa0..97fa4c6c3 100644
--- a/src/import/ImportPlugin.h
+++ b/src/import/ImportPlugin.h
@@ -55,10 +55,12 @@ but little else.
 #ifndef __AUDACITY_IMPORTER__
 #define __AUDACITY_IMPORTER__
 
+#include "../Audacity.h"
 #include <wx/arrstr.h>
 #include <wx/filename.h>
 #include <wx/string.h>
 #include <wx/list.h>
+#include "../MemoryX.h"
 
 #include "../widgets/ProgressDialog.h"
 
diff --git a/src/toolbars/SpectralSelectionBar.cpp b/src/toolbars/SpectralSelectionBar.cpp
index b96915446..7dc674892 100644
--- a/src/toolbars/SpectralSelectionBar.cpp
+++ b/src/toolbars/SpectralSelectionBar.cpp
@@ -29,6 +29,7 @@ with changes in the SpectralSelectionBar.
 #include "../Audacity.h"
 
 #include <algorithm>
+#include "../MemoryX.h"
 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include <wx/wxprec.h>
diff --git a/src/widgets/AButton.h b/src/widgets/AButton.h
index df9b64c76..bf06bd5ff 100644
--- a/src/widgets/AButton.h
+++ b/src/widgets/AButton.h
@@ -12,7 +12,7 @@
 #ifndef __AUDACITY_BUTTON__
 #define __AUDACITY_BUTTON__
 
-#include <memory>
+#include "../MemoryX.h"
 #include <vector>
 
 #if wxUSE_ACCESSIBILITY
diff --git a/src/widgets/ProgressDialog.cpp b/src/widgets/ProgressDialog.cpp
index d6b4d5c32..73b2f1f79 100644
--- a/src/widgets/ProgressDialog.cpp
+++ b/src/widgets/ProgressDialog.cpp
@@ -28,6 +28,7 @@
 
 #include "../Audacity.h"
 
+#include "../MemoryX.h"
 #include <wx/defs.h>
 #include <wx/app.h>
 #include <wx/button.h>
diff --git a/src/xml/XMLTagHandler.cpp b/src/xml/XMLTagHandler.cpp
index be053e280..8ee4a7801 100644
--- a/src/xml/XMLTagHandler.cpp
+++ b/src/xml/XMLTagHandler.cpp
@@ -21,9 +21,10 @@
 
 *//*******************************************************************/
 
+#include "../Audacity.h"
 #include "XMLTagHandler.h"
 
-#include "../Audacity.h"
+#include "../MemoryX.h"
 #include "../Internat.h"
 
 #ifdef _WIN32
diff --git a/win/Projects/Audacity/Audacity.vcxproj b/win/Projects/Audacity/Audacity.vcxproj
index 6c0fa3803..1d29babb4 100755
--- a/win/Projects/Audacity/Audacity.vcxproj
+++ b/win/Projects/Audacity/Audacity.vcxproj
@@ -419,6 +419,7 @@
     <ClInclude Include="..\..\..\src\import\ImportGStreamer.h" />
     <ClInclude Include="..\..\..\src\import\MultiFormatReader.h" />
     <ClInclude Include="..\..\..\src\import\SpecPowerMeter.h" />
+    <ClInclude Include="..\..\..\src\MemoryX.h" />
     <ClInclude Include="..\..\..\src\ModuleManager.h" />
     <ClInclude Include="..\..\..\src\NumberScale.h" />
     <ClInclude Include="..\..\..\src\prefs\GUISettings.h" />
diff --git a/win/Projects/Audacity/Audacity.vcxproj.filters b/win/Projects/Audacity/Audacity.vcxproj.filters
index dc121908a..a9fc35947 100755
--- a/win/Projects/Audacity/Audacity.vcxproj.filters
+++ b/win/Projects/Audacity/Audacity.vcxproj.filters
@@ -1714,6 +1714,9 @@
     <ClInclude Include="..\..\..\src\TrackPanelListener.h">
       <Filter>src</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\MemoryX.h">
+      <Filter>src</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Image Include="..\..\audacity.ico">