diff --git a/AppleWinExpress2019.vcxproj b/AppleWinExpress2019.vcxproj
index dd427587..ecea08ad 100644
--- a/AppleWinExpress2019.vcxproj
+++ b/AppleWinExpress2019.vcxproj
@@ -59,7 +59,6 @@
     <ClInclude Include="source\CPU\cpu6502.h" />
     <ClInclude Include="source\CPU\cpu65C02.h" />
     <ClInclude Include="source\Debugger\Debug.h" />
-    <ClInclude Include="source\Debugger\DebugDefs.h" />
     <ClInclude Include="source\Debugger\Debugger_Assembler.h" />
     <ClInclude Include="source\Debugger\Debugger_Color.h" />
     <ClInclude Include="source\Debugger\Debugger_Console.h" />
diff --git a/AppleWinExpress2019.vcxproj.filters b/AppleWinExpress2019.vcxproj.filters
index 1bf1ed72..3b50cbc9 100644
--- a/AppleWinExpress2019.vcxproj.filters
+++ b/AppleWinExpress2019.vcxproj.filters
@@ -498,9 +498,6 @@
     <ClInclude Include="source\z80emu.h">
       <Filter>Source Files\Emulator</Filter>
     </ClInclude>
-    <ClInclude Include="source\Debugger\DebugDefs.h">
-      <Filter>Source Files\Debugger</Filter>
-    </ClInclude>
     <ClInclude Include="source\Debugger\Util_MemoryTextFile.h">
       <Filter>Source Files\Debugger</Filter>
     </ClInclude>
diff --git a/source/Debugger/Debugger_Disassembler.h b/source/Debugger/Debugger_Disassembler.h
index de37f5e3..11bf0f5b 100644
--- a/source/Debugger/Debugger_Disassembler.h
+++ b/source/Debugger/Debugger_Disassembler.h
@@ -8,7 +8,6 @@ void FormatNopcodeBytes(WORD nBaseAddress, DisasmLine_t& line_);
 std::string FormatAddress(WORD nAddress, int nBytes);
 char* FormatCharCopy(char* pDst, const char* pEnd, const char* pSrc, const int nLen);
 
-char  FormatCharTxtAsci(const BYTE b, bool* pWasAsci_ = NULL);
 char  FormatCharTxtCtrl(const BYTE b, bool* pWasCtrl_ = NULL);
 char  FormatCharTxtHigh(const BYTE b, bool* pWasHi_ = NULL);
 char  FormatChar4Font(const BYTE b, bool* pWasHi_, bool* pWasLo_);
diff --git a/source/Debugger/Debugger_Display.cpp b/source/Debugger/Debugger_Display.cpp
index 2aef7b82..5bb0111e 100644
--- a/source/Debugger/Debugger_Display.cpp
+++ b/source/Debugger/Debugger_Display.cpp
@@ -181,8 +181,6 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 		VideoScannerDisplayInfo g_videoScannerDisplayInfo;
 
-	char  FormatCharTxtAsci ( const BYTE b, bool * pWasAsci_ );
-
 	void DrawSubWindow_Code ( int iWindow );
 	void DrawSubWindow_IO       (Update_t bUpdate);
 	void DrawSubWindow_Source   (Update_t bUpdate);
diff --git a/test/TestDebugger/TestDebugger.cpp b/test/TestDebugger/TestDebugger.cpp
index 0c126be3..50d98e29 100644
--- a/test/TestDebugger/TestDebugger.cpp
+++ b/test/TestDebugger/TestDebugger.cpp
@@ -6,9 +6,6 @@
 #include "../../source/Debugger/Debugger_Types.h"
 #include "../../source/Debugger/Debugger_Assembler.h"	// Pull in default args for _6502_GetTargets()
 
-// NB. DebugDefs.h must come after Debugger_Types.h which declares these as extern
-#include "../../source/Debugger/DebugDefs.h"
-
 // From FrameBase
 class FrameBase
 {