diff --git a/samples/html5Canvas/src/canvas/js/canvas.js b/samples/html5Canvas/src/canvas/js/canvas.js
deleted file mode 100644
index 379b7b2241b..00000000000
--- a/samples/html5Canvas/src/canvas/js/canvas.js
+++ /dev/null
@@ -1,71 +0,0 @@
-
-konan.libraries.push ({          // This one will be auto generated.
-        knjs_addDocumentToArena: function(arena) {
-            // Should be resolved by jsinterop.
-            return toArena(arena, document);
-        },
-        knjs_setInterval: function (arena, func, interval) {
-            setInterval(konan_dependencies.env.Konan_js_wrapLambda(arena, func), interval);
-        },
-        knjs_getElementById: function (arena, obj, id, idLength, resultArena) {
-            var name = toUTF16String(id, idLength);
-            var result = kotlinObject(arena, obj).getElementById(name);
-            return toArena(resultArena, result);
-        },
-        knjs_getContext: function (arena, obj, context, contextLength, resultArena) {
-            var name = toUTF16String(context, contextLength);
-            var result = kotlinObject(arena, obj).getContext(name);
-            return toArena(resultArena, result);
-        },
-        knjs_getBoundingClientRect: function (arena, obj, resultArena) {
-            var result = kotlinObject(arena, obj).getBoundingClientRect();
-            return toArena(resultArena, result);
-        },
-        knjs_moveTo: function(arena, obj, x, y) {
-            kotlinObject(arena, obj).moveTo(x, y);
-        },
-        knjs_lineTo: function(arena, obj, x, y) {
-            kotlinObject(arena, obj).lineTo(x, y);
-        },
-        knjs_fillRect: function(arena, obj, x1, y1, width, height) {
-            kotlinObject(arena, obj).fillRect(x1, y1, width, height);
-        },
-        knjs_fillText: function(arena, obj, textPtr, textLength, x, y, maxWidth) {
-            kotlinObject(arena, obj).fillText(toUTF16String(textPtr, textLength), x, y, maxWidth);
-        },
-        knjs_fill: function(arena, obj) {
-            kotlinObject(arena, obj).fill();
-        },
-        knjs_closePath: function(arena, obj) {
-            kotlinObject(arena, obj).closePath();
-        },
-        knjs_setLineWidth: function(arena, obj, value) {
-            kotlinObject(arena, obj).lineWidth = value;
-        },
-        knjs_setFillStyle: function(arena, obj, value_ptr, value_length) {
-            var value = toUTF16String(value_ptr, value_length);
-            kotlinObject(arena, obj).fillStyle = value;
-        },
-        knjs_beginPath: function(arena, obj) {
-            kotlinObject(arena, obj).beginPath();
-        },
-        knjs_stroke: function(arena, obj) {
-            kotlinObject(arena, obj).stroke();
-        },
-        knjs_fetch: function(arena, urlPtr, urlLength, resultArena) {
-            var url = toUTF16String(urlPtr, urlLength);
-            var result = fetch(url);
-            return toArena(resultArena, result);
-        },
-        knjs_then: function(arena, obj, func, resultArena) {
-            var value = konan_dependencies.env.Konan_js_wrapLambda(arena, func);
-            var result = kotlinObject(arena, obj).then(value);
-            var index = toArena(resultArena, result);
-            return index;
-        },
-        knjs_json: function(arena, obj, resultArena) {
-            var object = kotlinObject(arena, obj);
-            result = object.json();
-            return toArena(resultArena, result);
-        }
-});
diff --git a/samples/html5Canvas/src/canvas/kotlin/canvas.kt b/samples/html5Canvas/src/canvas/kotlin/canvas.kt
deleted file mode 100644
index dbaaf66eedf..00000000000
--- a/samples/html5Canvas/src/canvas/kotlin/canvas.kt
+++ /dev/null
@@ -1,154 +0,0 @@
-package html5.minimal
-
-// This file will be auto-generated.
-
-import kotlinx.wasm.jsinterop.*
-
-@SymbolName("knjs_addDocumentToArena")
-external public fun addDocumentToArena(arena: Arena): Int
-
-@SymbolName("knjs_getElementById")
-external public fun knjs_getElementById(arena: Int, obj: Int, idPtr: Int, idLen: Int, resultArena: Int): Int;
-
-@SymbolName("knjs_getContext")
-external public fun knjs_getContext(arena: Int, obj: Int, idPtr: Int, idLen: Int, resultArena: Int): Int;
-
-@SymbolName("knjs_getBoundingClientRect")
-external public fun knjs_getBoundingClientRect(arena: Int, obj: Int, resultArena: Int): Int;
-
-@SymbolName("knjs_beginPath")
-external public fun knjs_beginPath(arena: Int, obj: Int);
-
-@SymbolName("knjs_stroke")
-external public fun knjs_stroke(arena: Int, obj: Int);
-
-@SymbolName("knjs_moveTo")
-external public fun knjs_moveTo(arena: Int, obj: Int, x: Int, y: Int): Int;
-
-@SymbolName("knjs_lineTo")
-external public fun knjs_lineTo(arena: Int, obj: Int, x: Int, y: Int): Int;
-
-@SymbolName("knjs_fillRect")
-external public fun knjs_fillRect(arena: Int, obj: Int, x1: Int, y1: Int, width: Int, height: Int)
-@SymbolName("knjs_fillText")
-external public fun knjs_fillText(arena: Int, obj: Int, textPtr: Int, textWidth: Int, x: Int, y: Int, maxWidth: Int)
-
-@SymbolName("knjs_fill")
-external public fun knjs_fill(arena: Int, obj: Int)
-
-@SymbolName("knjs_closePath")
-external public fun knjs_closePath(arena: Int, obj: Int)
-
-@SymbolName("knjs_setLineWidth")
-external public fun knjs_setLineWidth(thisArena: Int, thisIndex: Int, value: Int)
-@SymbolName("knjs_setFillStyle")
-external public fun knjs_setFillStyle(thisArena: Int, thisIndex: Int, valuePtr: Int, valueLength: Int)
-
-@SymbolName("knjs_setInterval")
-external public fun knjs_setInterval(arenaIndex: Int, functionIndex: Int, interval: Int);
-
-@SymbolName("knjs_fetch")
-external public fun knjs_fetch(arena: Int, urlPtr: Int, urlLen: Int, resultArena: Int): Int;
-
-@SymbolName("knjs_then")
-external public fun knjs_then(thisArena: Int, thisIndex: Int, functionIndex: Int, resultArena: Int): Int
-
-@SymbolName("knjs_json")
-external public fun knjs_json(thisArena: Int, thisIndex: Int, resultArena: Int): Int
-
-open class Document(arena: Int, index: Int): JsValue(arena, index) {
-    constructor(value: JsValue): this(value.arena, value.index)
-    fun getElementById(id: String): JsValue {
-        val resultIndex = knjs_getElementById(this.arena, this.index, stringPointer(id), stringLengthBytes(id), ArenaManager.currentArena)
-        return JsValue(ArenaManager.currentArena, resultIndex)
-    }
-}
-
-open class DOMRect(arena: Int, index: Int): JsValue(arena, index) {
-}
-
-open class Canvas(arena: Int, index: Int): JsValue(arena, index) {
-    fun getContext(context: String): Context {
-        val resultIndex = knjs_getContext(this.arena, this.index, stringPointer(context), stringLengthBytes(context), ArenaManager.currentArena)
-        return Context(ArenaManager.currentArena, resultIndex)
-    }
-    fun getBoundingClientRect(): DOMRect {
-        return DOMRect(ArenaManager.currentArena, knjs_getBoundingClientRect(this.arena, this.index, ArenaManager.currentArena))
-    }
-}
-
-// TODO: this is awful.
-val JsValue.asCanvas: Canvas
-    get() {
-        return Canvas(this.arena, this.index)
-    }
-
-open class Context(arena: Int, index: Int): JsValue(arena, index) {
-    fun lineTo(x: Int, y: Int) {
-        knjs_lineTo(this.arena, this.index, x, y)
-    }
-    fun moveTo(x: Int, y: Int) {
-        knjs_moveTo(this.arena, this.index, x, y)
-    }
-    fun beginPath() {
-        knjs_beginPath(this.arena, this.index);
-    }
-    fun stroke() {
-        knjs_stroke(this.arena, this.index);
-    }
-    fun fillRect(x: Int, y: Int, width: Int, height: Int) {
-        knjs_fillRect(this.arena, this.index, x, y, width, height)
-    }
-    fun fillText(text: String, x: Int, y: Int, maxWidth: Int) {
-        knjs_fillText(this.arena, this.index, stringPointer(text), stringLengthBytes(text), x, y, maxWidth)
-    }
-    fun fill() {
-        knjs_fill(this.arena, this.index)
-    }
-    fun closePath() {
-        knjs_closePath(this.arena, this.index)
-    }
-    var lineWidth: Int
-        get() = TODO("implement me")
-        set(value: Int) {
-            knjs_setLineWidth(this.arena, this.index, value)
-        }
-    var fillStyle: String
-        get() = TODO("implement me")
-        set(value: String) {
-            knjs_setFillStyle(this.arena, this.index, stringPointer(value), stringLengthBytes(value))
-        }
-}
-
-
-class Response(arena: Int, index: Int): JsValue(arena, index) {
-    constructor(value: JsValue): this(value.arena, value.index)
-    fun json(): JsValue {
-        return JsValue(ArenaManager.currentArena, knjs_json(this.arena, this.index, ArenaManager.currentArena))
-    }
-}
-
-class Html5() { 
-    val document = Document(ArenaManager.currentArena, addDocumentToArena(ArenaManager.currentArena))
-
-    fun fetch(url: String): Promise {
-        return Promise (ArenaManager.currentArena, knjs_fetch(ArenaManager.currentArena, stringPointer(url), stringLengthBytes(url), ArenaManager.currentArena))
-    }
-
-    fun setInterval(lambda: KtFunction<Unit>, interval: Int) {
-        knjs_setInterval(ArenaManager.globalArena, wrapFunction(lambda), interval);
-    }
-
-    // TODO: The arguments are flipped to have lambda within the last position.
-    fun setInterval(interval: Int, lambda: KtFunction<Unit>) 
-        = setInterval(lambda, interval)
-
-}
-
-open class Promise (arena: Int, index: Int): JsValue(arena, index) {
-    fun <R> then(lambda: KtFunction<R>): Promise {
-        return Promise(ArenaManager.currentArena, knjs_then(arena, index, wrapFunction<R>(lambda), ArenaManager.currentArena))
-    }
-}
-
-