diff --git a/CMakeLists.txt b/CMakeLists.txt
index 107cc55..abb61f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,8 @@ else()
   pkg_check_modules(SDL2TTF IMPORTED_TARGET SDL2_ttf)
   optional_pkg_check_modules(SDL2MIXER IMPORTED_TARGET SDL2_mixer)
 
+  option(ENABLE_DEBUGGER "Enable built-in debugger" ON)
+
   include(FindJPEG)
   if (JPEG_FOUND)
     set(HAVE_JPEG 1)
diff --git a/config.h.in b/config.h.in
index 1588378..46f54a9 100644
--- a/config.h.in
+++ b/config.h.in
@@ -10,6 +10,7 @@
 #cmakedefine ENABLE_CDROM_EMSCRIPTEN @ENABLE_CDROM_EMSCRIPTEN@
 #cmakedefine ENABLE_CDROM_LINUX @ENABLE_CDROM_LINUX@
 #cmakedefine ENABLE_CDROM_MP3 @ENABLE_CDROM_MP3@
+#cmakedefine ENABLE_DEBUGGER @ENABLE_DEBUGGER@
 #cmakedefine ENABLE_GTK @ENABLE_GTK@
 #cmakedefine ENABLE_MIDI_RAWMIDI @ENABLE_MIDI_RAWMIDI@
 #cmakedefine ENABLE_MIDI_SDLMIXER @ENABLE_MIDI_SDLMIXER@
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e4487eb..51c1ec7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,9 +21,6 @@ target_sources(xsystem35 PRIVATE
   dri.c
   ald_manager.c
   cache.c
-  debug_symbol.c
-  debugger.c
-  debugger_cui.c
   ${SRC_AUDIO}
   ${SRC_CDROM}
   ${SRC_MIDI}
@@ -71,6 +68,12 @@ target_sources(xsystem35 PRIVATE
 target_sources(xsystem35 PRIVATE
   network.c)
 
+# Debugger
+if (ENABLE_DEBUGGER)
+  target_sources(xsystem35 PRIVATE
+    debug_symbol.c debugger.c debugger_cui.c)
+endif()
+
 if (WIN32)
   target_sources(xsystem35 PRIVATE win/dialog.c win/resources.rc win/menubar.c win/console.c)
 endif()
diff --git a/src/debugger.h b/src/debugger.h
index c4e04ce..c5274e3 100644
--- a/src/debugger.h
+++ b/src/debugger.h
@@ -35,10 +35,23 @@ extern DebuggerState dbg_state;
 
 #define BREAKPOINT 0x0f
 
+
+#ifdef ENABLE_DEBUGGER
+
 #define dbg_trapped() (dbg_state != DBG_RUNNING)
 #define dbg_interrupted() (dbg_state == DBG_STOPPED_INTERRUPT)
 void dbg_init(const char *symbols_path);
 void dbg_main(void);
 BYTE dbg_handle_breakpoint(int page, int addr);
 
+#else // ENABLE_DEBUGGER
+
+#define dbg_trapped() false
+#define dbg_interrupted() false
+#define dbg_init(symbols_path)
+#define dbg_main()
+#define dbg_handle_breakpoint(page, addr) BREAKPOINT
+
+#endif // ENABLE_DEBUGGER
+
 #endif // __DEBUGGER_H__