diff --git a/source/duke3d/src/game.cpp b/source/duke3d/src/game.cpp
index 112a09b32..9882b1d03 100644
--- a/source/duke3d/src/game.cpp
+++ b/source/duke3d/src/game.cpp
@@ -3776,7 +3776,7 @@ void G_DoSpriteAnimations(int32_t ourx, int32_t oury, int32_t ourz, int32_t oura
             if (!FURY && g_player[playerNum].ps->newowner > -1)
             {
                 // Display APLAYER sprites with action PSTAND when viewed through
-                // a camera.  Not implemented for Lunatic.
+                // a camera.
                 const intptr_t *aplayer_scr = g_tile[APLAYER].execPtr;
                 // [0]=strength, [1]=actionofs, [2]=moveofs
 
@@ -5262,8 +5262,6 @@ static void A_InitEnemyFlags(void)
 }
 #undef SETFLAG
 
-// Throw in everything here that needs to be called after a Lua game state
-// recreation (or on initial startup in a non-Lunatic build.)
 void G_PostCreateGameState(void)
 {
     Net_SendClientInfo();
@@ -5595,8 +5593,6 @@ int GameInterface::app_main()
 
     Net_GetPackets();
 
-    // NOTE: Allocating the DukePlayer_t structs has to be before compiling scripts,
-    // because in Lunatic, the {pipe,trip}bomb* members are initialized.
     for (int i=0; i<MAXPLAYERS; i++)
         G_MaybeAllocPlayer(i);
 
diff --git a/source/duke3d/src/gamestructures.cpp b/source/duke3d/src/gamestructures.cpp
index dfcc70593..800c63b56 100644
--- a/source/duke3d/src/gamestructures.cpp
+++ b/source/duke3d/src/gamestructures.cpp
@@ -1628,7 +1628,6 @@ void __fastcall VM_SetUserdef(int const labelNum, int const lParm2, int32_t cons
         case USERDEFS_M_RESPAWN_INVENTORY:          ud.m_respawn_inventory           = iSet; break;
         case USERDEFS_M_RECSTAT:                    m_recstat                     = iSet; break;
         case USERDEFS_M_MONSTERS_OFF:               ud.m_monsters_off                = iSet; break;
-        // REMINDER: must implement "boolean" setters like "!!iSet" in Lunatic, too.
         case USERDEFS_DETAIL:                       /*ud.detail                        = clamp(iSet, 1, 16); obsolete*/ break;
         case USERDEFS_M_FFIRE:                      m_ffire                       = iSet; break;
         case USERDEFS_FFIRE:                        ud.ffire                         = iSet; break;
diff --git a/source/rr/src/actors.h b/source/rr/src/actors.h
index ff7ca7616..b4fab3391 100644
--- a/source/rr/src/actors.h
+++ b/source/rr/src/actors.h
@@ -40,7 +40,6 @@ BEGIN_RR_NS
 #define ACTOR_MAXFALLINGZVEL 6144
 #define ACTOR_ONWATER_ADDZ (24<<8)
 
-// KEEPINSYNC lunatic/con_lang.lua
 #define STAT_DEFAULT        0
 #define STAT_ACTOR          1
 #define STAT_ZOMBIEACTOR    2
@@ -118,8 +117,6 @@ enum actionflags
     AF_VIEWPOINT = 1u<<0u,
 };
 
-// Select an actor's actiontics and movflags locations depending on
-// whether we compile the Lunatic build.
 // <spr>: sprite pointer
 // <a>: actor_t pointer
 # define AC_ACTIONTICS(spr, a) ((spr)->lotag)
@@ -179,7 +176,6 @@ typedef struct
 } tiledata_t;
 
 
-// KEEPINSYNC lunatic/con_lang.lua
 enum sflags_t
 {
     SFLAG_SHADOW        = 0x00000001,
diff --git a/source/rr/src/duke3d.h b/source/rr/src/duke3d.h
index dc27cbe4c..981844b16 100644
--- a/source/rr/src/duke3d.h
+++ b/source/rr/src/duke3d.h
@@ -55,7 +55,6 @@ BEGIN_RR_NS
 #define RECSYNCBUFSIZ       2520   //2520 is the (LCM of 1-8)*3
 #define MOVEFIFOSIZ         256
 
-// KEEPINSYNC lunatic/con_lang.lua
 #define MAXLEVELS           64
 #define MAXGAMETYPES        16
 
diff --git a/source/rr/src/events_defs.h b/source/rr/src/events_defs.h
index 377a4c231..e31e3db34 100644
--- a/source/rr/src/events_defs.h
+++ b/source/rr/src/events_defs.h
@@ -3,7 +3,6 @@
 #define EDUKE32_EVENTS_DEFS_H_
 
 // the order of these can't be changed or else compatibility with EDuke 2.0 mods will break
-// KEEPINSYNC with EventNames[] and lunatic/con_lang.lua
 enum GameEvent_t {
     EVENT_INIT,  // 0
     EVENT_ENTERLEVEL,
diff --git a/source/rr/src/game.cpp b/source/rr/src/game.cpp
index f800558ef..a638a4e40 100644
--- a/source/rr/src/game.cpp
+++ b/source/rr/src/game.cpp
@@ -5075,7 +5075,7 @@ default_case1:
             if (g_player[playerNum].ps->newowner > -1)
             {
                 // Display APLAYER sprites with action PSTAND when viewed through
-                // a camera.  Not implemented for Lunatic.
+                // a camera.
                 const intptr_t *aplayer_scr = g_tile[APLAYER].execPtr;
                 // [0]=strength, [1]=actionofs, [2]=moveofs
 
@@ -6740,8 +6740,6 @@ static void A_InitEnemyFlags(void)
 }
 #undef SETFLAG
 
-// Throw in everything here that needs to be called after a Lua game state
-// recreation (or on initial startup in a non-Lunatic build.)
 void G_PostCreateGameState(void)
 {
     Net_SendClientInfo();
@@ -7074,7 +7072,7 @@ int GameInterface::app_main()
     Net_InitNetwork();
 #endif
     numplayers = 1;
-    g_mostConcurrentPlayers = ud.multimode;  // Lunatic needs this (player[] bound)
+    g_mostConcurrentPlayers = ud.multimode;
 
     if (!g_fakeMultiMode)
     {
@@ -7092,8 +7090,6 @@ int GameInterface::app_main()
 
     Net_GetPackets();
 
-    // NOTE: Allocating the DukePlayer_t structs has to be before compiling scripts,
-    // because in Lunatic, the {pipe,trip}bomb* members are initialized.
     for (bssize_t i=0; i<MAXPLAYERS; i++)
         G_MaybeAllocPlayer(i);
 
diff --git a/source/rr/src/game.h b/source/rr/src/game.h
index 82d90ab9e..d8f04cfc9 100644
--- a/source/rr/src/game.h
+++ b/source/rr/src/game.h
@@ -123,8 +123,6 @@ void A_DeleteSprite(int spriteNum);
 
 #define MAX_RETURN_VALUES 6
 
-// KEEPINSYNC lunatic/_defs_game.lua
-
 typedef struct {
     vec3_t camerapos;
     int32_t const_visibility,uw_framerate;
diff --git a/source/rr/src/gamedef.h b/source/rr/src/gamedef.h
index cd41379d1..da3aae143 100644
--- a/source/rr/src/gamedef.h
+++ b/source/rr/src/gamedef.h
@@ -348,7 +348,6 @@ enum ScriptKeywords_t
     CON_IFPUPWIND,          // 166
     CON_END
 };
-// KEEPINSYNC with the keyword list in lunatic/con_lang.lua
 
 END_RR_NS
 
diff --git a/source/rr/src/gamevars.cpp b/source/rr/src/gamevars.cpp
index a95e8e3d7..82f3ae1f5 100644
--- a/source/rr/src/gamevars.cpp
+++ b/source/rr/src/gamevars.cpp
@@ -654,32 +654,18 @@ static int32_t G_StaticToDynamicSound(int32_t const sound)
     }
 }
 
-// Initialize WEAPONx_* gamevars. Since for Lunatic, they reside on the C side,
-// they're set directly. In C-CON, a new CON variable is defined together with
+// Initialize WEAPONx_* gamevars. In C-CON, a new CON variable is defined together with
 // its initial value.
-#ifdef LUNATIC
-# define ADDWEAPONVAR(Weapidx, Membname) do { \
-    int32_t j; \
-    for (j=0; j<MAXPLAYERS; j++) \
-        g_playerWeapon[j][Weapidx].Membname = weapondefaults[Weapidx].Membname; \
-} while (0)
-#else
 # define ADDWEAPONVAR(Weapidx, Membname) do { \
     FStringf aszBuf("WEAPON%d_" #Membname, Weapidx); \
     aszBuf.ToUpper(); \
     Gv_NewVar(aszBuf, weapondefaults[Weapidx].Membname, GAMEVAR_PERPLAYER | GAMEVAR_SYSTEM); \
 } while (0)
-#endif
 
 // After CON translation, get not-overridden members from weapondefaults[] back
-// into the live arrays! (That is, g_playerWeapon[][] for Lunatic, WEAPONx_*
-// gamevars on the CON side in C-CON.)
-#ifdef LUNATIC
-# define POSTADDWEAPONVAR(Weapidx, Membname) ADDWEAPONVAR(Weapidx, Membname)
-#else
+// into the live arrays!
 // NYI
 # define POSTADDWEAPONVAR(Weapidx, Membname) do {} while (0)
-#endif
 
 // Finish a default weapon member after CON translation. If it was not
 // overridden from CON itself (see example at g_weaponOverridden[]), we set
@@ -714,9 +700,7 @@ void Gv_FinalizeWeaponDefaults(void)
 #undef FINISH_WEAPON_DEFAULT_X
 #undef POSTADDWEAPONVAR
 
-#if !defined LUNATIC
 static int32_t lastvisinc;
-#endif
 
 static void Gv_AddSystemVars(void)
 {
@@ -770,26 +754,15 @@ static void Gv_AddSystemVars(void)
 
 void Gv_Init(void)
 {
-#if !defined LUNATIC
     // already initialized
     if (aGameVars[0].flags)
         return;
-#else
-    static int32_t inited=0;
-    if (inited)
-        return;
-    inited = 1;
-#endif
 
     // Set up weapon defaults, g_playerWeapon[][].
     Gv_AddSystemVars();
-#if !defined LUNATIC
     Gv_InitWeaponPointers();
-#endif
-    Gv_ResetSystemDefaults();
 }
 
-#if !defined LUNATIC
 void Gv_InitWeaponPointers(void)
 {
     char aszBuf[64];
@@ -853,6 +826,5 @@ void Gv_RefreshPointers(void)
     aGameVars[Gv_GetVarIndex("RESPAWN_MONSTERS")].global  = (intptr_t)&ud.respawn_monsters;
     aGameVars[Gv_GetVarIndex("VOLUME")].global            = (intptr_t)&ud.volume_number;
 }
-#endif
 
 END_RR_NS
diff --git a/source/rr/src/global.h b/source/rr/src/global.h
index d11f095c0..21cd0cd46 100644
--- a/source/rr/src/global.h
+++ b/source/rr/src/global.h
@@ -46,7 +46,6 @@ BEGIN_RR_NS
 #endif
 
 #define MAXINTERPOLATIONS MAXSPRITES
-// KEEPINSYNC lunatic/con_lang.lua
 
 // duke3d global soup :(
 
diff --git a/source/rr/src/player.h b/source/rr/src/player.h
index d89515423..e0b79e83d 100644
--- a/source/rr/src/player.h
+++ b/source/rr/src/player.h
@@ -132,7 +132,6 @@ typedef struct {
 //  * char --> int8_t
 // Need to carefully think about implications!
 // TODO: rearrange this if the opportunity arises!
-// KEEPINSYNC lunatic/_defs_game.lua
 typedef struct {
     vec3_t pos, opos, vel, npos;
     vec2_t bobpos, fric;
@@ -231,7 +230,6 @@ typedef struct {
     int8_t padding_[3];
 } DukePlayer_t;
 
-// KEEPINSYNC lunatic/_defs_game.lua
 typedef struct
 {
     DukePlayer_t *ps;
@@ -255,7 +253,6 @@ typedef struct
 } playerdata_t;
 #pragma pack(pop)
 
-// KEEPINSYNC lunatic/con_lang.lua
 typedef struct
 {
     // NOTE: the member names must be identical to aplWeapon* suffixes.
@@ -277,10 +274,6 @@ typedef struct
     int32_t FlashColor;  // Muzzle flash color
 } weapondata_t;
 
-#ifdef LUNATIC
-# define PWEAPON(Player, Weapon, Wmember) (g_playerWeapon[Player][Weapon].Wmember)
-extern weapondata_t g_playerWeapon[MAXPLAYERS][MAX_WEAPONS];
-#else
 # define PWEAPON(Player, Weapon, Wmember) (aplWeapon ## Wmember [Weapon][Player])
 extern intptr_t         *aplWeaponClip[MAX_WEAPONS];            // number of items in clip
 extern intptr_t         *aplWeaponReload[MAX_WEAPONS];          // delay to reload (include fire)
@@ -298,9 +291,7 @@ extern intptr_t         *aplWeaponFireSound[MAX_WEAPONS];       // Sound made wh
 extern intptr_t         *aplWeaponSound2Time[MAX_WEAPONS];      // Alternate sound time
 extern intptr_t         *aplWeaponSound2Sound[MAX_WEAPONS];     // Alternate sound sound ID
 extern intptr_t         *aplWeaponFlashColor[MAX_WEAPONS];      // Color for polymer muzzle flash
-#endif
 
-// KEEPINSYNC lunatic/_defs_game.lua
 typedef struct {
     int32_t cur, count;  // "cur" is the only member that is *used*
     int32_t gunposx, lookhalfang;  // weapon_xoffset, ps->look_ang>>1
diff --git a/source/rr/src/sounds.h b/source/rr/src/sounds.h
index 987818fe0..75556ec18 100644
--- a/source/rr/src/sounds.h
+++ b/source/rr/src/sounds.h
@@ -35,7 +35,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 BEGIN_RR_NS
 
-// KEEPINSYNC lunatic/con_lang.lua
 #define MAXSOUNDS           4096
 #define LOUDESTVOLUME       111