diff --git a/examples/2048/2048.v b/examples/2048/2048.v
index 4f57bb30cd..1dc4e71cc9 100644
--- a/examples/2048/2048.v
+++ b/examples/2048/2048.v
@@ -455,7 +455,6 @@ fn (mut app App) ai_move() {
 		move_idx := int(move)
 		predictions[move_idx].move = move
 		mut mpoints := 0
-		mut mshifts := 0
 		mut mcmoves := 0
 		for _ in 0 .. predictions_per_move {
 			mut cboard := app.board
@@ -479,7 +478,6 @@ fn (mut app App) ai_move() {
 				}
 			}
 			mpoints += cboard.points
-			mshifts += cboard.shifts
 			mcmoves += cmoves
 		}
 		predictions[move_idx].mpoints = f64(mpoints) / predictions_per_move
diff --git a/examples/game_of_life/modules/automaton/automaton.v b/examples/game_of_life/modules/automaton/automaton.v
index dc906b0f34..5c0bf060b7 100644
--- a/examples/game_of_life/modules/automaton/automaton.v
+++ b/examples/game_of_life/modules/automaton/automaton.v
@@ -23,6 +23,7 @@ pub fn (a &A2D) set(x int, y int, newval int) {
 		mut e := &int(0)
 		e = a.data + y * a.maxx + x
 		*e = newval
+		_ = e // TODO compiler bug, this is not necessary
 	}
 }
 
@@ -31,6 +32,7 @@ pub fn (a &A2D) get(x int, y int) int {
 	unsafe {
 		mut e := &int(0)
 		e = a.data + y * a.maxx + x
+		_ = e
 		return *e
 	}
 }
diff --git a/vlib/term/ui/input_nix.c.v b/vlib/term/ui/input_nix.c.v
index c73c1b5b06..fcd073c3e1 100644
--- a/vlib/term/ui/input_nix.c.v
+++ b/vlib/term/ui/input_nix.c.v
@@ -3,7 +3,6 @@
 // that can be found in the LICENSE file.
 module ui
 
-
 struct ExtraContext {
 mut:
 	read_buf []byte
@@ -15,29 +14,29 @@ const (
 
 pub fn init(cfg Config) &Context {
 	mut ctx := &Context{
-		cfg: cfg,
+		cfg: cfg
 	}
-	ctx.read_buf = []byte{ cap: cfg.buffer_size }
+	ctx.read_buf = []byte{cap: cfg.buffer_size}
 
 	// lmao
 	unsafe {
-		x := &ctx_ptr
+		x := &ui.ctx_ptr
 		*x = ctx
+		_ = x
 	}
-
 	return ctx
 }
 
 [inline]
 fn save_title() {
-    // restore the previously saved terminal title
-    print('\x1b[22;0t')
+	// restore the previously saved terminal title
+	print('\x1b[22;0t')
 }
 
 [inline]
 fn load_title() {
-    // restore the previously saved terminal title
-    print('\x1b[23;0t')
+	// restore the previously saved terminal title
+	print('\x1b[23;0t')
 }
 
 pub fn (mut ctx Context) run() ? {
@@ -45,17 +44,17 @@ pub fn (mut ctx Context) run() ? {
 		ctx.fail('error: x11 backend not implemented yet')
 		exit(1)
 	} else {
-		ctx.termios_setup()?
+		ctx.termios_setup() ?
 		ctx.termios_loop()
 	}
 }
 
-[inline]
 // shifts the array left, to remove any data that was just read, and updates its len
 // TODO: remove
+[inline]
 fn (mut ctx Context) shift(len int) {
 	unsafe {
-		C.memmove(ctx.read_buf.data, byteptr(ctx.read_buf.data) + len, ctx.read_buf.cap - len)
+		C.memmove(ctx.read_buf.data, &byte(ctx.read_buf.data) + len, ctx.read_buf.cap - len)
 		ctx.resize_arr(ctx.read_buf.len - len)
 	}
 }
@@ -64,5 +63,8 @@ fn (mut ctx Context) shift(len int) {
 [inline]
 fn (mut ctx Context) resize_arr(size int) {
 	mut l := &ctx.read_buf.len
-	unsafe { *l = size }
+	unsafe {
+		*l = size
+		_ = l
+	}
 }
diff --git a/vlib/v/live/common.v b/vlib/v/live/common.v
index bab77ab923..bd29a905ed 100644
--- a/vlib/v/live/common.v
+++ b/vlib/v/live/common.v
@@ -63,6 +63,7 @@ pub fn info() &LiveReloadInfo {
 	unsafe {
 		mut p := &u64(&C.g_live_info)
 		*p = &u64(x)
+		_ = p
 	}
 	return x
 }
diff --git a/vlib/x/ttf/text_block.v b/vlib/x/ttf/text_block.v
index e43dde0ca0..58e909d351 100644
--- a/vlib/x/ttf/text_block.v
+++ b/vlib/x/ttf/text_block.v
@@ -56,7 +56,7 @@ pub fn (mut bmp BitMap) draw_text_block(text string, block Text_block) {
 
 	for txt in text.split_into_lines() {
 		bmp.space_cw = old_space_cw
-		mut w, mut h := bmp.get_bbox(txt)
+		mut w, _ := bmp.get_bbox(txt)
 		if w <= block.w || block.cut_lines == false {
 			// println("Solid block!")
 			left_offset := int((block.w - w) * offset_flag)
@@ -83,13 +83,13 @@ pub fn (mut bmp BitMap) draw_text_block(text string, block Text_block) {
 				}
 
 				bmp.space_cw = old_space_cw
-				w, h = bmp.get_bbox(tmp_str)
+				w, _ = bmp.get_bbox(tmp_str)
 				if w <= block.w {
 					mut left_offset := int((block.w - w) * offset_flag)
 					if bmp.justify && (f32(w) / f32(block.w)) >= bmp.justify_fill_ratio {
 						// println("cut phase!")
 						bmp.space_cw = 0.0
-						w, h = bmp.get_bbox(tmp_str)
+						w, _ = bmp.get_bbox(tmp_str)
 						left_offset = int((block.w - w) * offset_flag)
 						bmp.space_cw = bmp.get_justify_space_cw(tmp_str, w, block.w, space_cw)
 					} else {
diff --git a/vlib/x/websocket/websocket_client.v b/vlib/x/websocket/websocket_client.v
index a684d3914e..518946250f 100644
--- a/vlib/x/websocket/websocket_client.v
+++ b/vlib/x/websocket/websocket_client.v
@@ -334,14 +334,14 @@ pub fn (mut ws Client) close(code int, message string) ? {
 		ws.reset_state()
 	}
 	ws.set_state(.closing)
-	mut code32 := 0
+	// mut code32 := 0
 	if code > 0 {
 		code_ := C.htons(code)
 		message_len := message.len + 2
 		mut close_frame := []byte{len: message_len}
 		close_frame[0] = byte(code_ & 0xFF)
 		close_frame[1] = byte(code_ >> 8)
-		code32 = (close_frame[0] << 8) + close_frame[1]
+		// code32 = (close_frame[0] << 8) + close_frame[1]
 		for i in 0 .. message.len {
 			close_frame[i + 2] = message[i]
 		}