diff --git a/source/duke3d/src/cmdline.cpp b/source/duke3d/src/cmdline.cpp
index 5084fc070..b3f7ef9ac 100644
--- a/source/duke3d/src/cmdline.cpp
+++ b/source/duke3d/src/cmdline.cpp
@@ -115,11 +115,6 @@ void G_ShowDebugHelp(void)
         "-z#/-condebug\tEnable line-by-line CON compile debugging at level #\n"
         "-conversion YYYYMMDD\tSelects CON script version for compatibility with older mods\n"
         "-rotatesprite-no-widescreen\tStretch screen drawing from scripts to fullscreen\n"
-#ifdef LUNATIC
-        "-Lopts=<opt1>,<opt2>,...\n"
-        "  Pass options to Lunatic, valid ones are:\n"
-        "  diag, nojit, traces, dump, strict\n"
-#endif
         ;
 #ifdef WM_MSGBOX_WINDOW
     Bsnprintf(tempbuf, sizeof(tempbuf), HEAD2 " %s", s_buildRev);
@@ -165,10 +160,6 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
     int16_t i = 1, j;
     const char *c, *k;
 
-#ifdef LUNATIC
-    g_argv = argv;
-    g_elModules = (const char **) Xcalloc(argc+1, sizeof(char *));
-#endif
     ud.fta_on = 1;
     ud.god = 0;
     ud.m_respawn_items = 0;
@@ -203,9 +194,6 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
 
     if (argc > 1)
     {
-#ifdef LUNATIC
-        int32_t numlmods = 0;
-#endif
         initprintf("Application parameters: ");
         while (i < argc)
             initprintf("%s ", argv[i++]);
@@ -219,11 +207,7 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
 
             c = oc;
 
-            if ((*c == '-')
-#ifdef _WIN32
-                || (*c == '/')
-#endif
-                )
+            if (*c == '-')
             {
                 shortopt = 0;
 
@@ -608,10 +592,6 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
                         G_AddDemo(c);
                     break;
                 }
-#ifdef LUNATIC
-                case 'f':
-                    break;
-#endif
                 case 'g':
                     c++;
                     if (*c)
@@ -771,10 +751,6 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
                 case 'w':
                     ud.coords = 1;
                     break;
-#ifdef LUNATIC
-                case 'W':
-                    break;
-#endif
                 case 'x':
                     c++;
                     if (*c)
@@ -829,13 +805,6 @@ void G_CheckCommandLine(int32_t argc, char const * const * argv)
                         initprintf("Using RTS file \"%s\".\n", g_rtsNamePtr);
                         continue;
                     }
-#ifdef LUNATIC
-                    if (!Bstrcmp(k, ".lua"))  // NOTE: case sensitive!
-                    {
-                        g_elModules[numlmods++] = argv[i++];
-                        continue;
-                    }
-#endif
                 }
             }