diff --git a/src/emucore/CartARM.hxx b/src/emucore/CartARM.hxx
index 5b1191062..bc7bb145e 100644
--- a/src/emucore/CartARM.hxx
+++ b/src/emucore/CartARM.hxx
@@ -59,10 +59,12 @@ class CartridgeARM : public Cartridge
     void enableCycleCount(bool enable) const { myThumbEmulator->enableCycleCount(enable); }
     // Get number of memory accesses of last and last but one ARM runs.
     void updateCycles(int cycles);
+  #ifdef DEBUGGER_SUPPORT
     const Thumbulator::Stats& stats() const { return myStats; }
     const Thumbulator::Stats& prevStats() const { return myPrevStats; }
     const uInt32 cycles() const { return myCycles; }
     const uInt32 prevCycles() const { return myPrevCycles; }
+  #endif
 
     void incCycles(bool enable);
     void cycleFactor(double factor);
diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index 5f4cc718e..a091cf4da 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -576,7 +576,9 @@
     <ClCompile Include="..\debugger\gui\Cart4KWidget.cxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\debugger\gui\CartARMWidget.cxx" />
+    <ClCompile Include="..\debugger\gui\CartARMWidget.cxx">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\debugger\gui\CartARWidget.cxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClCompile>
@@ -694,7 +696,9 @@
     <ClCompile Include="..\debugger\gui\CartX07Widget.cxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\debugger\gui\DataGridRamWidget.cxx" />
+    <ClCompile Include="..\debugger\gui\DataGridRamWidget.cxx">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\debugger\gui\DelayQueueWidget.cxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClCompile>
@@ -1631,7 +1635,9 @@
     <ClInclude Include="..\debugger\gui\Cart4KWidget.hxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClInclude>
-    <ClInclude Include="..\debugger\gui\CartARMWidget.hxx" />
+    <ClInclude Include="..\debugger\gui\CartARMWidget.hxx">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
+    </ClInclude>
     <ClInclude Include="..\debugger\gui\CartARWidget.hxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClInclude>
@@ -1752,7 +1758,9 @@
     <ClInclude Include="..\debugger\gui\ControllerWidget.hxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClInclude>
-    <ClInclude Include="..\debugger\gui\DataGridRamWidget.hxx" />
+    <ClInclude Include="..\debugger\gui\DataGridRamWidget.hxx">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
+    </ClInclude>
     <ClInclude Include="..\debugger\gui\DelayQueueWidget.hxx">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug-NoDebugger|x64'">true</ExcludedFromBuild>
     </ClInclude>