diff --git a/engines/chewy/detail.h b/engines/chewy/detail.h
index 3cd015a01e6..306d87a815a 100644
--- a/engines/chewy/detail.h
+++ b/engines/chewy/detail.h
@@ -192,13 +192,13 @@ public:
 
 	void load_rdi_taf(const char *fname, int16 load_flag);
 
-	void setStaticSpr(int16 nr, int16 sprNr);
+	void setStaticSpr(int16 detNr, int16 sprNr);
 	byte *getStaticImage(int16 detNr);
 
 	void setStaticPos(int16 detNr, int16 x, int16 y, bool hideFl, bool correctionFlag);
 	void setSetailPos(int16 detNr, int16 x, int16 y);
-	void hideStaticSpr(int16 nr);
-	void showStaticSpr(int16 nr);
+	void hideStaticSpr(int16 detNr);
+	void showStaticSpr(int16 detNr);
 	void freezeAni();
 	void unfreeze_ani();
 	void getAniValues(int16 aniNr, int16 *start, int16 *end);
diff --git a/engines/chewy/globals.h b/engines/chewy/globals.h
index 1b4677ec2d0..b07d3c7bcb2 100644
--- a/engines/chewy/globals.h
+++ b/engines/chewy/globals.h
@@ -96,7 +96,6 @@ public:
 	int16 _zoom_mov_fak = 0;
 
 	int16 _auto_obj = 0;
-	int16 _ged_mov_ebene = 0;
 
 	bool _cur_display = false;
 	int16 _mouseLeftClick = 0;
@@ -273,7 +272,7 @@ public:
 	// mcga.cpp
 	byte _saved_palette[PALETTE_SIZE] = { 0 };
 	bool _screenHasDefault = false;
-	byte *_screenDefaultP = nullptr;
+	byte *_screenDefaultPtr = nullptr;
 	int _spriteWidth = 0;
 
 	// mcga_graphics.cpp
diff --git a/engines/chewy/inits.cpp b/engines/chewy/inits.cpp
index d3da31f318c..fb6a8f6e811 100644
--- a/engines/chewy/inits.cpp
+++ b/engines/chewy/inits.cpp
@@ -49,7 +49,6 @@ void standard_init() {
 	_G(out)->cls();
 	_G(out)->savePalette();
 	_G(out)->setClip(0, 0, 320, 200);
-	_G(out)->setWriteMode(0);
 	_G(scr_width) = 0;
 	_G(screen0) = (byte *)g_screen->getPixels();
 	_G(in)->neuer_kb_handler(&_G(kbinfo));
@@ -104,7 +103,6 @@ void var_init() {
 	_G(auto_p_nr) = 0;
 	_G(menu_item) = CUR_WALK;
 	_G(inventoryNr) = 0;
-	_G(ged_mov_ebene) = 1;
 	new_game();
 	_G(spieler).MainMenuY = MENU_Y;
 	_G(spieler).DispFlag = true;
diff --git a/engines/chewy/main.cpp b/engines/chewy/main.cpp
index 528a5560360..e6f5d930d82 100644
--- a/engines/chewy/main.cpp
+++ b/engines/chewy/main.cpp
@@ -554,7 +554,7 @@ void setupScreen(SetupScreenMode mode) {
 						_G(gpkt).Hoehe = _G(room)->_gedYAnz[_G(room_blk).AkAblage];
 						_G(gpkt).Mem = _G(ged_mem)[_G(room_blk).AkAblage];
 						_G(gpkt).Ebenen = _G(room)->_gedInfo[_G(room_blk).AkAblage].Ebenen;
-						_G(gpkt).AkMovEbene = _G(ged_mov_ebene);
+						_G(gpkt).AkMovEbene = 1;
 						_G(mov)->goto_xy(&_G(gpkt));
 						_G(spieler_mi)[P_CHEWY].XyzStart[0] = _G(spieler_vector)[P_CHEWY].Xypos[0];
 						_G(spieler_mi)[P_CHEWY].XyzStart[1] = _G(spieler_vector)[P_CHEWY].Xypos[1];
@@ -1199,7 +1199,7 @@ bool autoMove(int16 movNr, int16 playerNum) {
 			_G(gpkt).Hoehe = _G(room)->_gedYAnz[_G(room_blk).AkAblage];
 			_G(gpkt).Mem = _G(ged_mem)[_G(room_blk).AkAblage];
 			_G(gpkt).Ebenen = _G(room)->_gedInfo[_G(room_blk).AkAblage].Ebenen;
-			_G(gpkt).AkMovEbene = _G(ged_mov_ebene);
+			_G(gpkt).AkMovEbene = 1;
 			_G(mov)->goto_xy(&_G(gpkt));
 
 			_G(spieler_mi)[playerNum].XyzStart[0] = _G(spieler_vector)[playerNum].Xypos[0];
diff --git a/engines/chewy/mcga.cpp b/engines/chewy/mcga.cpp
index 6912d0b98b4..f314ba4746c 100644
--- a/engines/chewy/mcga.cpp
+++ b/engines/chewy/mcga.cpp
@@ -36,7 +36,7 @@ namespace Chewy {
 void init_mcga() {
 	_G(currentScreen) = (byte *)g_screen->getPixels();
 	_G(screenHasDefault) = false;
-	_G(screenDefaultP) = nullptr;
+	_G(screenDefaultPtr) = nullptr;
 	_G(spriteWidth) = 0;
 }
 
diff --git a/engines/chewy/mcga_graphics.cpp b/engines/chewy/mcga_graphics.cpp
index dfa36fa57bc..b82971c6216 100644
--- a/engines/chewy/mcga_graphics.cpp
+++ b/engines/chewy/mcga_graphics.cpp
@@ -29,13 +29,7 @@
 
 namespace Chewy {
 
-#define MAXSTRING 255
-
 McgaGraphics::McgaGraphics() {
-	for (int i = 0; i < 360; i++) {
-		_sines[i] = sin(i * 3.14159265359 / 180);
-		_cosines[i] = cos(i * 3.14159265359 / 180);
-	}
 }
 
 McgaGraphics::~McgaGraphics() {
@@ -47,10 +41,6 @@ void McgaGraphics::init() {
 	init_mcga();
 }
 
-void McgaGraphics::setWriteMode(char wm) {
-	_writeMode = wm;
-}
-
 void McgaGraphics::setClip(int16 x1, int16 y1, int16 x2, int16 y2) {
 	_G(clipx1) = x1;
 	_G(clipx2) = x2;
@@ -62,16 +52,12 @@ void McgaGraphics::setPointer(byte *ptr) {
 	if (ptr) {
 		_G(currentScreen) = ptr;
 	} else if (_G(screenHasDefault)) {
-		_G(currentScreen) = _G(screenDefaultP);
+		_G(currentScreen) = _G(screenDefaultPtr);
 	} else {
 		_G(currentScreen) = (byte *)g_screen->getPixels();
 	}
 }
 
-byte *McgaGraphics::getPointer() {
-	return get_dispoff();
-}
-
 void McgaGraphics::setPalette(byte *palette) {
 	for (int16 i = 0; i < 768; i++)
 		_palTable[i] = palette[i];
@@ -718,12 +704,4 @@ void McgaGraphics::scale_set(byte *sptr, int16 x, int16 y, int16 xdiff_, int16 y
 		mspr_set_mcga(sptr, x, y, scrwidth);
 }
 
-void McgaGraphics::ltoa(long N, char *str, int base) {
-	sprintf(str, "%ld", N);
-}
-
-void McgaGraphics::ultoa(uint32 N, char *str, int base) {
-	sprintf(str, "%u", N);
-}
-
 } // namespace Chewy
diff --git a/engines/chewy/mcga_graphics.h b/engines/chewy/mcga_graphics.h
index fc873cebeb9..8dc0d606a96 100644
--- a/engines/chewy/mcga_graphics.h
+++ b/engines/chewy/mcga_graphics.h
@@ -23,7 +23,6 @@
 #define CHEWY_MCGA_GRAPHICS_H
 
 #include "graphics/screen.h"
-#include "chewy/ngstypes.h"
 
 namespace Chewy {
 
@@ -33,11 +32,9 @@ public:
 	~McgaGraphics();
 
 	void init();
-	void setWriteMode(char wm);
 
 	void setClip(int16 x1, int16 y1, int16 x2, int16 y2);
 	void setPointer(byte *ptr);
-	byte *getPointer();
 
 	void setPalette(byte *palette);
 	void savePalette(byte *palette = nullptr);
@@ -74,17 +71,9 @@ public:
 private:
 	int16 devices();
 
-	float _sines[360];
-	float _cosines[360];
 	byte _palTable[PALETTE_SIZE];
-	uint8 _writeMode = 0;
-	int16 _crlfx = 0, _crlfy = 0;
-	int16 _fontBr = 0, _fontH = 0;
 	uint8 _svga = 0;
 	uint8 _einfuegen = 0;
-
-	void ltoa(long N, char *str, int base);
-	void ultoa(uint32 N, char *str, int base);
 };
 
 } // namespace Chewy